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DFS & BFS & Dijkstra problems
Problem Name Online Judge Year Contest Difficulty Level
1 Lucius Dungeon Categories SPOJ 1
2 Page Hopping Categories UVA 1
3 Word Capitalization Categories Codeforces Codeforces Round #172 (Div. 2) 1
4 Learning Languages Categories Codeforces Codeforces Round #170 (Div. 1) & Codeforces Round #170 (Div. 2) 1
5 All Roads Lead Where? Categories UVA 1
6 Marble Game Categories Live Archive 2007 World Finals - Tokyo 1
7 Shopping Categories SPOJ 1
8 Mice and Maze Categories SPOJ 1
9 Lazy Jumping Frog Categories Live Archive 2006 Latin America - South America 1
10 Eniya Categories Timus 1
11 Following Orders Categories UVA 1
12 A Bug’s Life Categories SPOJ 1
13 Easy Dijkstra Problem Categories SPOJ 1
14 Ice Skating Categories Codeforces Codeforces Round #134 (Div. 1) & Codeforces Round #134 (Div. 2) 1
15 You want what filled? Categories UVA 1
16 Robot Motion Categories UVA 1
17 The Seasonal War Categories UVA 1
18 Highways Categories SPOJ 1
19 Oil Deposits Categories UVA 1
20 Testing the CATCHER Categories UVA 1
21 Vertex Cover Categories SPOJ 1
22 Chef and Digit Jumps Categories CodeChef 1
23 Tic-Tac-Toe ( II ) Categories SPOJ 1
24 Water among Cubes Categories SPOJ 1
25 Come and Go Categories UVA 1
26 Cleaning Robot Categories SPOJ 1
27 Spreading The News Categories UVA 1
28 ABC Path Categories SPOJ 1
29 Intrepid climber Categories Live Archive 2014 Latin America 1
30 Almost Shortest Path Categories SPOJ 1
31 Sheep Categories SPOJ 1
32 Lost in Localization Categories Timus 1
33 Sticker Collector Robot Categories UVA 1
34 Cobbled streets Categories SPOJ 1
35 Key Task Categories SPOJ 1
36 A Node Too Far Categories UVA 1
37 Continents Categories UVA 1
38 ALL IZZ WELL Categories SPOJ 1
39 Marcus Categories UVA 1
40 The Party, Part I Categories UVA 1
41 Prime Path Categories SPOJ 1
42 Pizzas Categories A2 Online Judge 1
43 Til the Cows Come Home Categories PKU 1
44 BerSU Ball Categories Codeforces Codeforces Round #277.5 (Div. 2) 1
45 Tic-Tac-Toe ( I ) Categories SPOJ 1
46 Bicycle Codes Categories Timus 1
47 Claw Decomposition Categories UVA 1
48 Lift Hopping Categories UVA 1
49 Chop Ahoy! Revisited! Categories SPOJ 1
50 Nadia Team Categories A2 Online Judge 1
51 Bitmap Categories SPOJ 1
52 Friends Categories UVA 1
53 Herding Categories SPOJ 1
54 We Ship Cheap Categories UVA 1
55 New Year Transportation Categories Codeforces Good Bye 2014 1
56 Roads Categories SPOJ 1
57 COSTLY CHESS Categories SPOJ 1
58 NP-Hard Problem Categories Codeforces Codeforces Round #360 (Div. 1) & Codeforces Round #360 (Div. 2) 1
59 Wetlands of Florida Categories UVA 1
60 Shortest path of the king Categories Codeforces Codeforces Beta Round #3 1
61 Number Maze Categories UVA 1
62 Commandos Categories UVA 1
63 Mutant Flatworld Explorers Categories UVA 1
64 Maze Categories Codeforces Codeforces Round #222 (Div. 1) & Codeforces Round #222 (Div. 2) 1
65 Theatre Square Categories Codeforces Codeforces Beta Round #1 1
66 Pouring water Categories SPOJ 1
67 Bombs! NO they are Mines!! Categories UVA 1
68 A+B Problem Categories Timus 1
69 Dominos 2 Categories UVA 1
70 Making Jumps Categories SPOJ 1
71 Rank the Languages Categories UVA 1
72 Party Categories Codeforces Codeforces Beta Round #87 (Div. 1 Only) & Codeforces Beta Round #87 (Div. 2 Only) 1
73 The Benefactor Categories SPOJ 1
74 Word Transformation Categories UVA 1
75 Risk Categories UVA 1
76 Jugs Categories UVA 1
77 prayatna PR Categories SPOJ 1
78 Longest path in a tree Categories SPOJ 1
79 Labyrinth Categories SPOJ 1
80 VALIDATE THE MAZE Categories SPOJ 1
81 Two Gangsters Categories Timus 1
82 Vertex Categories UVA 1
83 Soldier and Cards Categories Codeforces Codeforces Round #304 (Div. 2) 1
84 The Cats and the Mouse Categories SPOJ 1
85 MPI Maelstrom Categories UVA 1
86 Sending email Categories UVA 1
87 Queue at the School Categories Codeforces Codeforces Round #163 (Div. 2) 1
88 Fishmonger Categories SPOJ 1
89 Network Categories UVA 1
90 Freckles Categories UVA 1
91 Ones and zeros Categories SPOJ 1
92 Playing with Wheels Categories UVA 1
93 Dijkstra? Categories Codeforces Codeforces Alpha Round #20 (Codeforces format) 1
94 The Shortest Path Categories SPOJ 1
95 Minimum Knight moves !!! Categories SPOJ 1
96 Laser Phones Categories SPOJ 1
97 Reverse Root Categories Timus 1
98 Brackets Categories SPOJ 1
99 Traffic Network Categories SPOJ 1
100 Unique Path Categories Live Archive 2012 Asia - Jakarta 1
101 Graph Connectivity Categories UVA 1
102 Counting Cells in a Blob Categories UVA 1
103 Kefa and Park Categories Codeforces Codeforces Round #321 (Div. 2) 1
104 DZY Loves Chessboard Categories Codeforces Codeforces Round #254 (Div. 2) 1
105 Mice and Maze Categories UVA 1
106 106 miles to Chicago Categories SPOJ 1
107 Dungeon Master Categories UVA 1
108 Invitation Cards Categories SPOJ 1
109 Battleships Categories UVA 1
110 Knight Moves Categories UVA 1
111 Fire! Categories UVA 1
112 Is it a tree Categories SPOJ 1
113 Two Buttons Categories Codeforces Codeforces Round #295 (Div. 2) 1
114 Labyrinth Categories TJU 1
115 Slick Categories SPOJ 1
116 Grid Colouring Categories UVA 2
117 Checkposts Categories Codeforces Codeforces Round #244 (Div. 2) 2
118 Walk Through the Forest Categories UVA 2
119 Interesting number Categories SPOJ 2
120 Andryusha and Colored Balloons Categories Codeforces ?????????? 2017 - ????? (?????? ??? ??????-??????????) 2
121 The Two Routes Categories Codeforces Codeforces Round #333 (Div. 1) & Codeforces Round #333 (Div. 2) 2
122 Meeting For Party Categories SPOJ 2
123 The Alphabet Sticker Categories A2 Online Judge 2
124 DZY Loves Chemistry Categories Codeforces Codeforces Round #254 (Div. 2) 2
125 Fire Station Categories UVA 2
126 Journey Categories Codeforces Codeforces Round #428 (Div. 2) 2
127 Bear and Three Musketeers Categories Codeforces Codeforces Round #318 [RussianCodeCup Thanks-Round] (Div. 2) 2
128 Shipping Routes Categories UVA 2
129 Dominator Categories UVA 2
130 Erdos Numbers Categories UVA 2
131 KATHTHI Categories SPOJ 2
132 Xor-tree Categories Codeforces Codeforces Round #245 (Div. 1) & Codeforces Round #245 (Div. 2) 2
133 Treeramids Categories SPOJ 2
134 The PATH Categories UVA 2
135 Almost Union-Find Categories UVA 2
136 The Great Coach, Fegla Categories A2 Online Judge 2
137 DFSr - Depth Hierarchy Categories URI 2
138 Brackets II Categories SPOJ 2
139 Mall Mania Categories UVA 2
140 Fox And Two Dots Categories Codeforces Codeforces Round #290 (Div. 2) 2
141 Fox And Names Categories Codeforces Codeforces Round #290 (Div. 2) & Codeforces Round #290 (Div. 1) 2
142 MELE3 Categories SPOJ 2
143 Strongly Connected City Categories Codeforces Bayan 2015 Contest Warm Up 2
144 Slash Maze Categories UVA 2
145 Risk Categories TJU 2
146 Wedding of Sultan Categories UVA 2
147 Escape from Jail Categories SPOJ 2
148 Full Tank? Categories UVA 2
149 Knights in FEN Categories UVA 2
150 Timofey and a tree Categories Codeforces Codeforces Round #395 (Div. 1) & Codeforces Round #395 (Div. 2) 2
151 Mr. Kitayuta's Colorful Graph Categories Codeforces Codeforces Round #286 (Div. 1) & Codeforces Round #286 (Div. 2) & Codeforces Round #286 (Div. 1) & Codeforces Round #286 (Div. 2) 2
152 GONDOR Categories SPOJ 2
153 Runner Pawns Categories Live Archive 2003 Latin America - South America 2
154 Equidivisions Categories SPOJ 2
155 Forwarding Emails Categories UVA 2
156 A DP Problem Categories Live Archive 2003 Asia - Tehran 2
157 Unlock the Lock Categories UVA 2
158 Lucky Numbers Categories SPOJ 2
159 Dungeon Master Categories TJU 2
160 The New Villa Categories UVA 2
161 Game Show Math Categories UVA 2
162 The Tree Root Categories UVA 2
163 Tennis Championship Categories Codeforces Codeforces Round #382 (Div. 2) & Codeforces Round #382 (Div. 1) 2
164 Reposts Categories Codeforces VK Cup 2015 - Qualification Round 1 2
165 Valera and Tubes Categories Codeforces Codeforces Round #252 (Div. 2) 2
166 Fill Categories UVA 2
167 Step out of maze Categories TJU 2
168 Maze Traversal Categories UVA 2
169 Mr. Kitayuta's Colorful Graph Categories Codeforces Codeforces Round #286 (Div. 1) & Codeforces Round #286 (Div. 2) & Codeforces Round #286 (Div. 1) & Codeforces Round #286 (Div. 2) 2
170 Chef and Reversing Categories CodeChef 2
171 Changing Maze Categories SPOJ 2
172 New Year Permutation Categories Codeforces Good Bye 2014 2
173 Dijkstra Categories SPOJ Poland 2
174 The longest athletic track Categories TJU 2
175 Robot Categories UVA 2
176 Manhattan Categories SPOJ 2
177 The Prime conjecture Categories SPOJ 2
178 Meeting Prof. Miguel... Categories UVA 2
179 Finding Nemo Categories Live Archive 2004 Asia - Beijing 2
180 Babel Categories UVA 2
181 Monkeys in a Regular Forest Categories UVA 2
182 Maxim and Progressions Categories CodeChef 2
183 Fox Dividing Cheese Categories Codeforces Codeforces Round #218 (Div. 2) 3
184 Distance in Tree Categories Codeforces VK Cup 2012 Round 1 3
185 Krochanska is Here! Categories UVA 3
186 Arpa's weak amphitheater and Mehrdad's valuable Hoses Categories Codeforces Codeforces Round #383 (Div. 1) & Codeforces Round #383 (Div. 2) 3
187 Cactus Categories UVA 3
188 Biridian Forest Categories Codeforces Codeforces Round #192 (Div. 1) & Codeforces Round #192 (Div. 2) 3
189 New Reform Categories Codeforces Codeforces Round #346 (Div. 2) 3
190 Chase Categories SPOJ 3
191 Airport Express Categories UVA 3
192 THE WEIRD STAIRCASE Categories SPOJ 3
193 Tree Reconstruction Categories UVA 3
194 New to Bangladesh? Categories UVA 3
195 Hongcow Builds A Nation Categories Codeforces Codeforces Round #385 (Div. 1) & Codeforces Round #385 (Div. 2) 3
196 Travel in Desert Categories UVA 3
197 Gargari and Permutations Categories Codeforces Codeforces Round #264 (Div. 2) 3
198 Coach Categories Codeforces Codeforces Round #181 (Div. 2) 3
199 Arpa's loud Owf and Mehrdad's evil plan Categories Codeforces Codeforces Round #383 (Div. 1) & Codeforces Round #383 (Div. 2) 3
200 Amazing Maze Categories SPOJ 3
201 A DP Problem Categories UVA 3
202 Code Categories SPOJ 3
203 Adventure of Super Mario Categories UVA 3
204 Railroads Categories UVA 3
205 The Orc Attack Categories UVA 3
206 Eternal Truths Categories UVA 3
207 Cthulhu Categories Codeforces Codeforces Beta Round #80 (Div. 1 Only) & Codeforces Beta Round #80 (Div. 2 Only) 3
208 Cijevi Categories SPOJ 3
209 Valera and Elections Categories Codeforces Codeforces Round #216 (Div. 2) 3
210 Wandering Queen Categories SPOJ 3
211 Choosing Capital for Treeland Categories Codeforces Codeforces Round #135 (Div. 2) 3
212 Path of the righteous man Categories SPOJ 3
213 Cleaner Robot Categories Codeforces 2015-2016 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) 3
214 Round and Round Maze Categories UVA 3
215 Highest Paid Toll Categories UVA 3
216 Countdown Categories SPOJ 3
217 The mysterious X network Categories UVA 3
218 Mr. Kitayuta, the Treasure Hunter Categories Codeforces Codeforces Round #286 (Div. 2) & Codeforces Round #286 (Div. 1) 3
219 Galou is back! Categories SPOJ 3
220 Colorful Graph Categories Codeforces Codeforces Round #151 (Div. 2) 3
221 Igor In the Museum Categories Codeforces Educational Codeforces Round 1 3
222 Unbearable Controversy of Being Categories Codeforces Codeforces Round #277.5 (Div. 2) 3
223 Strings Categories SPOJ 3
224 Bear and Compressing Categories Codeforces IndiaHacks 2016 - Online Edition (Div. 1 + Div. 2) 3
225 Hotel booking Categories UVA 3
226 Subway Categories UVA 3
227 Rough Roads Categories UVA 3
228 Xenia and Weights Categories Codeforces Codeforces Round #197 (Div. 2) 3
229 Ice Cave Categories Codeforces Codeforces Round #301 (Div. 2) 3
230 Mysterious Present Categories Codeforces Codeforces Beta Round #4 (Div. 2 Only) 3
231 Closest Number Categories SPOJ 3
232 Greg and Graph Categories Codeforces Codeforces Round #179 (Div. 1) & Codeforces Round #179 (Div. 2) 3
233 From Dusk Till Dawn Categories UVA 3
234 Students and Shoelaces Categories Codeforces Codeforces Beta Round #94 (Div. 2 Only) 3
235 Om Nom and Dark Park Categories Codeforces ZeptoLab Code Rush 2015 3
236 Ping-Pong (Easy Version) Categories Codeforces Codeforces Round #189 (Div. 2) 3
237 Tobo or not Tobo Categories SPOJ 3
238 Mike and Shortcuts Categories Codeforces Codeforces Round #361 (Div. 2) 3
239 A short vacation in Disneyland Categories SPOJ 3
240 Basic wall maze Categories UVA 3
241 Fire! Fire!! Fire!!! Categories UVA 3
242 Alyona and the Tree Categories Codeforces Codeforces Round #358 (Div. 2) 3
243 Quantity of Strings Categories Codeforces Codeforces Round #107 (Div. 1) & Codeforces Round #107 (Div. 2) 4
244 Serial Time! Categories Codeforces Codeforces Beta Round #56 4
245 Propagating tree Categories Codeforces Codeforces Round #225 (Div. 1) & Codeforces Round #225 (Div. 2) 4
246 Design Tutorial: Inverse the Problem Categories Codeforces Codeforces Round #270 4
247 Jzzhu and Cities Categories Codeforces Codeforces Round #257 (Div. 1) & Codeforces Round #257 (Div. 2) 4
248 Phillip and Trains Categories Codeforces Codeforces Round #325 (Div. 1) & Codeforces Round #325 (Div. 2) 4
249 Roads in Berland Categories Codeforces Codeforces Beta Round #25 (Div. 2 Only) 4
250 A and B and Lecture Rooms Categories Codeforces Codeforces Round #294 (Div. 2) 4
251 Zero Tree Categories Codeforces Codeforces Round #168 (Div. 1) & Codeforces Round #168 (Div. 2) 4
252 Road Map Categories Codeforces Codeforces Beta Round #34 (Div. 2) 4
253 Fox And Jumping Categories Codeforces Codeforces Round #290 (Div. 2) & Codeforces Round #290 (Div. 1) 4
254 Statues Categories Codeforces Codeforces Beta Round #94 (Div. 1 Only) & Codeforces Beta Round #94 (Div. 2 Only) 4
255 Roads not only in Berland Categories Codeforces Codeforces Beta Round #25 (Div. 2 Only) 4
256 Undoubtedly Lucky Numbers Categories Codeforces Codeforces Round #150 (Div. 2) 4
257 Dorm Water Supply Categories Codeforces Codeforces Beta Round #83 (Div. 1 Only) & Codeforces Beta Round #83 (Div. 2 Only) 4
258 Ciel the Commander Categories Codeforces Codeforces Round #190 (Div. 1) & Codeforces Round #190 (Div. 2) 4
259 Go Game Categories TJU 4
260 Eternal Victory Categories Codeforces Codeforces Beta Round #57 (Div. 2) 4
261 Directed Roads Categories Codeforces Codeforces Round #369 (Div. 2) 4
262 Here We Go(relians) Again Categories SPOJ 4
263 Speedy Escape Categories UVA 4
264 Fire Again Categories Codeforces Codeforces Beta Round #35 (Div. 2) 4
265 Alyona and a tree Categories Codeforces Codeforces Round #381 (Div. 1) & Codeforces Round #381 (Div. 2) 4
266 Book of Evil Categories Codeforces Codeforces Round #196 (Div. 2) & Codeforces Round #196 (Div. 1) 4
267 Subway Categories Codeforces Codeforces Beta Round #95 (Div. 2) 4
268 A Lot of Games Categories Codeforces Codeforces Round #260 (Div. 1) & Codeforces Round #260 (Div. 2) 4
269 Tournament Categories Codeforces Codeforces Beta Round #27 (Codeforces format, Div. 2) 4
270 Destroying Roads Categories Codeforces Codeforces Round #302 (Div. 1) & Codeforces Round #302 (Div. 2) 4
271 Tree Requests Categories Codeforces Codeforces Round #316 (Div. 2) 4
272 Minefield Categories UVA 4
273 Cheapest way Categories UVA 4
274 Garland Categories Codeforces Codeforces Round #398 (Div. 2) 4
275 The Labyrinth Categories Codeforces Educational Codeforces Round 5 4
276 Happy Valentine Day (Valentine Maze Game) Categories SPOJ 4
277 Chloe and pleasant prizes Categories Codeforces Codeforces Round #384 (Div. 2) 4
278 Restore Graph Categories Codeforces Codeforces Round #237 (Div. 2) 4
279 Cow Program Categories Codeforces Codeforces Round #174 (Div. 1) & Codeforces Round #174 (Div. 2) 4
280 Shopping Categories UVA 4
281 King's Path Categories Codeforces Codeforces Round #149 (Div. 2) 4
282 Tin Cutter Categories UVA 4
283 Civilization Categories Codeforces Codeforces Round #260 (Div. 1) & Codeforces Round #260 (Div. 2) 4
284 Ocean Currents Categories UVA 4
285 Paths and Trees Categories Codeforces Codeforces Round #303 (Div. 2) 4
286 Nephren gives a riddle Categories Codeforces Codeforces Round #449 (Div. 1) & Codeforces Round #449 (Div. 2) 4
287 Ilya And The Tree Categories Codeforces Codeforces Round #430 (Div. 2) 4
288 Lomsat gelral Categories Codeforces Educational Codeforces Round 2 4
289 Two Sets Categories Codeforces Codeforces Round #268 (Div. 1) & Codeforces Round #268 (Div. 2) 4
290 Fools and Roads Categories Codeforces Codeforces Round #121 (Div. 1) & Codeforces Round #121 (Div. 2) 4
291 Forming Teams Categories Codeforces Codeforces Round #133 (Div. 2) 4
292 Always Late Categories UVA 4
293 Connecting Universities Categories Codeforces Codeforces Round #364 (Div. 1) & Codeforces Round #364 (Div. 2) 4
294 New Year Santa Network Categories Codeforces Good Bye 2014 4
295 Appleman and Tree Categories Codeforces Codeforces Round #263 (Div. 1) & Codeforces Round #263 (Div. 2) 4
296 Planets Categories Codeforces Codeforces Round #142 (Div. 1) & Codeforces Round #142 (Div. 2) 4
297 An overnight dance in discotheque Categories Codeforces Codeforces Round #418 (Div. 2) 5
298 Block Tower Categories Codeforces Codeforces Round #191 (Div. 2) 5
299 Cutting Figure Categories Codeforces Codeforces Round #122 (Div. 1) & Codeforces Round #122 (Div. 2) 5
300 Inna and Dima Categories Codeforces Codeforces Round #220 (Div. 2) 5
301 Minimum spanning tree for each edge Categories Codeforces Educational Codeforces Round 3 5
302 Super M Categories Codeforces Codeforces Round #328 (Div. 2) 5
303 Two Paths Categories Codeforces Codeforces Beta Round #14 (Div. 2) 5
304 MergeSort Categories TopCoder SRM 151 - Div1 medium - Div2 hard] (4560) 5
305 Misha, Grisha and Underground Categories Codeforces Codeforces Round #425 (Div. 2) 5
306 Text Editor Categories Codeforces Codeforces Round #154 (Div. 2) 5
307 Compatible Numbers Categories Codeforces Codeforces Round #112 (Div. 2) 5
308 Tutorial BFS Categories SPOJ 5
309 Berzerk Categories Codeforces Codeforces Round #406 (Div. 1) & Codeforces Round #406 (Div. 2) 5
310 Infinite Maze Categories Codeforces Codeforces Round #124 (Div. 1) & Codeforces Round #124 (Div. 2) 5
311 Tree and Queries Categories Codeforces Codeforces Round #221 (Div. 1) 5
312 Square Earth? Categories Codeforces Codeforces Beta Round #53 5
313 Mahmoud and a Dictionary Categories Codeforces Codeforces Round #396 (Div. 2) 5
314 Hierarchy Categories Codeforces Codeforces Beta Round #17 5
315 Masud Rana Categories UVA 5
316 Blood Cousins Categories Codeforces Codeforces Round #130 (Div. 2) 5
317 Water Tree Categories Codeforces Codeforces Round #200 (Div. 1) 5
318 Yaroslav and Time Categories Codeforces Codeforces Round #182 (Div. 1) & Codeforces Round #182 (Div. 2) 5
319 Dima and Bacteria Categories Codeforces Codeforces Round #234 (Div. 2) 5
320 GRAVITY Categories SPOJ 5
321 Moodular Arithmetic Categories Codeforces Codeforces Round #334 (Div. 1) & Codeforces Round #334 (Div. 2) 5
322 Volleyball Categories Codeforces Codeforces Beta Round #77 (Div. 1 Only) & Codeforces Beta Round #77 (Div. 2 Only) 5
323 Cycle in Graph Categories Codeforces Codeforces Round #161 (Div. 2) 5
324 Connected Components Categories Codeforces Croc Champ 2013 - Round 1 5
325 Chinese Checkers Categories UVA 5
326 Kay and Snowflake Categories Codeforces Codeforces Round #359 (Div. 1) & Codeforces Round #359 (Div. 2) 5
327 STL Categories Codeforces Codeforces Round #120 (Div. 2) 5
328 Comments Categories Codeforces Codeforces Round #387 (Div. 2) 5
329 Inversions problem Categories Codeforces Rockethon 2015 5
330 Bitwise Formula Categories Codeforces Codeforces Round #402 (Div. 1) & Codeforces Round #402 (Div. 2) 5
331 What is for dinner? Categories Codeforces Codeforces Beta Round #33 (Codeforces format) 5
332 Logo Turtle Categories Codeforces Codeforces Beta Round #96 (Div. 1) & Codeforces Beta Round #96 (Div. 2) 5
333 pSort Categories Codeforces Codeforces Beta Round #28 (Codeforces format) 5
334 Jumping on Walls Categories Codeforces Codeforces Round #125 (Div. 1) & Codeforces Round #125 (Div. 2) 5
335 Transmissão de Energia Categories URI 5
336 Missile Silos Categories Codeforces Codeforces Round #103 (Div. 2) 5
337 Weird journey Categories Codeforces Codeforces Round #407 (Div. 1) & Codeforces Round #407 (Div. 2) 5
338 BFS (Binary Fibonacci String) Categories UVA 5
339 Chocolate Categories Codeforces Codeforces Round #279 (Div. 2) 5
340 Breaking Good Categories Codeforces Codeforces Round #287 (Div. 2) 5
341 Complete The Graph Categories Codeforces Codeforces Round #372 (Div. 1) & Codeforces Round #372 (Div. 2) 5
342 Cycle Categories Codeforces Codeforces Beta Round #88 5
343 Vitaly and Cycle Categories Codeforces Codeforces Round #311 (Div. 2) 5
344 Kruskal Categories SPOJ 5
345 Persistent Bookcase Categories Codeforces Codeforces Round #368 (Div. 2) 5
346 Theseus and labyrinth Categories Codeforces Codeforces Round #354 (Div. 2) 5
347 Three States Categories Codeforces Codeforces Round #327 (Div. 1) & Codeforces Round #327 (Div. 2) 5
348 Mail Stamps Categories Codeforces Codeforces Beta Round #29 (Div. 2, Codeforces format) 5
349 Valid Sets Categories Codeforces Codeforces Round #277 (Div. 2) 5
350 Umnozak Categories SPOJ 5
351 Greg and Friends Categories Codeforces Codeforces Round #179 (Div. 1) & Codeforces Round #179 (Div. 2) 6
352 Arpa’s overnight party and Mehrdad’s silent entering Categories Codeforces Codeforces Round #383 (Div. 1) & Codeforces Round #383 (Div. 2) 6
353 Table Compression Categories Codeforces Codeforces Round #345 (Div. 1) & Codeforces Round #345 (Div. 2) 6
354 Tanya and Password Categories Codeforces Codeforces Round #288 (Div. 2) 6
355 Fixed Partition Contest Management Categories SPOJ 6
356 Leha and another game about graph Categories Codeforces Codeforces Round #429 (Div. 1) & Codeforces Round #429 (Div. 2) 6
357 Segment Tree Categories SPOJ 6
358 Ants in Leaves Categories Codeforces Educational Codeforces Round 7 6
359 Increasing Shortest Path Categories A2 Online Judge 6
360 EKG Categories Codeforces ABBYY Cup 3.0 6
361 The Great Mixing Categories Codeforces Codeforces Round #407 (Div. 1) & Codeforces Round #407 (Div. 2) 6
362 Bertown roads Categories Codeforces Codeforces Beta Round #89 (Div. 2) 6
363 Chamber of Secrets Categories Codeforces Croc Champ 2012 - Round 1 6
364 Making Genome in Berland Categories Codeforces VK Cup 2016 - Qualification Round 2 6
365 Vladik and Favorite Game Categories Codeforces Codeforces Round #416 (Div. 2) 6
366 Ant on the Tree Categories Codeforces Codeforces Beta Round #29 (Div. 2, Codeforces format) 6
367 Police Station Categories Codeforces Codeforces Round #130 (Div. 2) 6
368 AlgoRace Categories Codeforces Codeforces Round #119 (Div. 1) & Codeforces Round #119 (Div. 2) 6
369 Looksery Party Categories Codeforces Looksery Cup 2015 6
370 Apple Tree Categories Codeforces Codeforces Round #202 (Div. 1) & Codeforces Round #202 (Div. 2) 6
371 EKG Categories Codeforces ABBYY Cup 3.0 6
372 Legacy Categories Codeforces Codeforces Round #406 (Div. 1) & Codeforces Round #406 (Div. 2) 6
373 Divisors Categories Codeforces Codeforces Round #256 (Div. 2) 6
374 Giving Awards Categories Codeforces Coder-Strike 2014 - Round 1 6
375 Polycarp and Hay Categories Codeforces Codeforces Round #346 (Div. 2) 6
376 Love Triangles Categories Codeforces Codeforces Round #309 (Div. 1) & Codeforces Round #309 (Div. 2) 6
377 Work Group Categories Codeforces VK Cup 2015 - Round 2 (unofficial online mirror, Div. 1 only) 6
378 Party Categories Codeforces ABBYY Cup 2.0 - Easy 6
379 Fedor and Essay Categories Codeforces Codeforces Round #267 (Div. 2) 6
380 World Tour Categories Codeforces Codeforces Round #349 (Div. 1) & Codeforces Round #349 (Div. 2) 6
381 Graph Coloring Categories Codeforces CROC 2016 - Final Round [Private, For Onsite Finalists Only] 6
382 Little Pony and Summer Sun Celebration Categories Codeforces Codeforces Round #259 (Div. 1) & Codeforces Round #259 (Div. 2) 6
383 Road Rally Categories Live Archive 2011 North America - Mid-Atlantic USA 6
384 Information Graph Categories Codeforces Codeforces Round #266 (Div. 2) 6
385 Game Categories Codeforces Codeforces Round #131 (Div. 1) & Codeforces Round #131 (Div. 2) 6
386 Invariance of Tree Categories Codeforces Codeforces Round #319 (Div. 1) & Codeforces Round #319 (Div. 2) 6
387 Demiurges Play Again Categories Codeforces Codeforces Round #300 6
388 Party Categories Codeforces ABBYY Cup 2.0 - Easy 6
389 Mahmoud and a xor trip Categories Codeforces Codeforces Round #396 (Div. 2) 6
390 Gifts by the List Categories Codeforces Codeforces Round #357 (Div. 2) 6
391 The Road to Berland is Paved With Good Intentions Categories Codeforces Codeforces Round #141 (Div. 2) 6
392 Caisa and Tree Categories Codeforces Codeforces Round #264 (Div. 2) 6
393 DRM Categories UVA 6
394 Mr. Kitayuta's Technology Categories Codeforces Codeforces Round #286 (Div. 2) & Codeforces Round #286 (Div. 1) 6
395 Rotate to root Categories UVA 6
396 Hamiltonian Spanning Tree Categories Codeforces Wunder Fund Round 2016 (Div. 1 + Div. 2 combined) 6
397 String Problem Categories Codeforces Codeforces Beta Round #33 (Codeforces format) 6
398 Sereja and Periods Categories Codeforces Codeforces Round #187 (Div. 1) & Codeforces Round #187 (Div. 2) 6
399 Dispute Categories Codeforces Codeforces Round #149 (Div. 2) 6
400 Ring Road 2 Categories Codeforces Codeforces Beta Round #27 (Codeforces format, Div. 2) 6
401 Caravans Categories Timus 6
402 Solitaire Categories Codeforces Codeforces Round #130 (Div. 2) 6
403 Mike and Fish Categories Codeforces Codeforces Round #305 (Div. 1) 7
404 Bear and Drawing Categories Codeforces Codeforces Round #318 [RussianCodeCup Thanks-Round] (Div. 1) & Codeforces Round #318 [RussianCodeCup Thanks-Round] (Div. 2) 7
405 Beavermuncher-0xFF Categories Codeforces Codeforces Beta Round #69 (Div. 1 Only) & Codeforces Beta Round #69 (Div. 2 Only) 7
406 Data Center Drama Categories Codeforces Codeforces Round #296 (Div. 2) & Codeforces Round #296 (Div. 1) 7
407 Dima and Trap Graph Categories Codeforces Codeforces Round #214 (Div. 2) 7
408 Knights Categories Codeforces Codeforces Beta Round #33 (Codeforces format) 7
409 Treeland Tour Categories Codeforces Codeforces Round #279 (Div. 2) 7
410 Hill Climbing Categories Codeforces Codeforces Round #238 (Div. 1) 7
411 Little Elephant and Tree Categories Codeforces Codeforces Round #157 (Div. 1) 7
412 Event Dates Categories Codeforces School Team Contest #3 (Winter Computer School 2010/11) 7
413 Cactus Categories Codeforces Codeforces Round #143 (Div. 2) 7
414 Bribes Categories Codeforces Bubble Cup 8 - Finals [Online Mirror] 7
415 Break Up Categories Codeforces Codeforces Round #364 (Div. 1) & Codeforces Round #364 (Div. 2) 7
416 Edges in MST Categories Codeforces Codeforces Round #111 (Div. 2) 7
417 Flight Planning Categories UVA 7
418 Acyclic Organic Compounds Categories Codeforces Codeforces Round #333 (Div. 1) 7
419 Tourist Guide Categories Codeforces 2015-2016 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) 7
420 President and Roads Categories Codeforces Codeforces Round #Pi (Div. 2) 7
421 Circle of Numbers Categories Codeforces Codeforces Round #161 (Div. 2) 7
422 Tree-String Problem Categories Codeforces Croc Champ 2013 - Qualification Round 7
423 Square Root of Permutation Categories Codeforces Educational Codeforces Round 4 7
424 Road Improvement Categories Codeforces VK Cup 2016 - Qualification Round 2 7
425 Bear and Square Grid Categories Codeforces Codeforces Round #356 (Div. 1) & Codeforces Round #356 (Div. 2) 7
426 Weak Memory Categories Codeforces Codeforces Round #119 (Div. 1) & Codeforces Round #119 (Div. 2) 7
427 Peterson Polyglot Categories Codeforces Codeforces Round #402 (Div. 1) & Codeforces Round #402 (Div. 2) 7
428 Lovely Matrix Categories Codeforces Codeforces Round #168 (Div. 1) 7
429 Pursuit For Artifacts Categories Codeforces Educational Codeforces Round 10 7
430 Famil Door and Roads Categories Codeforces Codeforces Round #343 (Div. 2) 7
431 Okabe and City Categories Codeforces Codeforces Round #420 (Div. 2) 7
432 President's Path Categories Codeforces Codeforces Round #241 (Div. 2) 7
433 Three-dimensional Turtle Super Computer Categories Codeforces VK Cup 2016 - Qualification Round 2 7
434 Chessboard Billiard Categories Codeforces Codeforces Beta Round #68 7
435 Fools and Foolproof Roads Categories Codeforces Codeforces Round #212 (Div. 2) 7
436 Fairy Categories Codeforces Codeforces Beta Round #19 7
437 Chocolate Categories Codeforces Codeforces Beta Round #31 (Div. 2, Codeforces format) 7
438 Case of Computer Network Categories Codeforces Codeforces Round #310 (Div. 1) 7
439 Variable, or There and Back Again Categories Codeforces VK Cup 2012 Round 3 7
440 General Mobilization Categories Codeforces Yandex.Algorithm 2011 Qualification 2 7
441 Valera and Fools Categories Codeforces Codeforces Round #216 (Div. 2) 7
442 Wrong Floyd Categories Codeforces Codeforces Round #203 (Div. 2) 7
443 Hex Tile Equations Categories SPOJ 7
444 Ksenia and Pawns Categories Codeforces Codeforces Round #224 (Div. 2) 7
445 Shortest Path Categories Codeforces Codeforces Beta Round #55 (Div. 2) 7
446 Blood Cousins Return Categories Codeforces Codeforces Round #151 (Div. 2) 7
447 World Eater Brothers Categories Codeforces Codeforces Round #148 (Div. 1) & Codeforces Round #148 (Div. 2) 7
448 Bear and Forgotten Tree 2 Categories Codeforces IndiaHacks 2016 - Online Edition (Div. 1 + Div. 2) 7
449 Graph Cutting Categories Codeforces Codeforces Round #238 (Div. 2) & Codeforces Round #238 (Div. 1) 7
450 Snake Categories Codeforces Codeforces Round #139 (Div. 2) 7
451 Lucky Number Representation Categories Codeforces Codeforces Round #206 (Div. 1) 7
452 Pairs of Numbers Categories Codeforces Codeforces Testing Round #3 7
453 BerDonalds Categories Codeforces Codeforces Round #163 (Div. 2) 8
454 Cyclic Coloring Categories Codeforces Croc Champ 2012 - Final 8
455 Graph basics concepts Categories SPOJ 8
456 Dominoes Categories Codeforces Codeforces Testing Round #5 8
457 Scheme Categories Codeforces Codeforces Beta Round #22 (Div. 2 Only) 8
458 Robot Control Categories Codeforces Codeforces Round #201 (Div. 1) 8
459 Matching Names Categories Codeforces VK Cup 2015 - Finals, online mirror 8
460 Petya and Tree Categories Codeforces Yandex.Algorithm 2011 Round 1 8
461 Colorado Potato Beetle Categories Codeforces Codeforces Round #150 (Div. 1) & Codeforces Round #150 (Div. 2) 8
462 Tourists Categories Codeforces Codeforces Round #278 (Div. 1) 8
463 Xenia and Dominoes Categories Codeforces Codeforces Round #199 (Div. 2) 8
464 Mushroom Strife Categories Codeforces Codeforces Beta Round #56 8
465 Sereja and Sets Categories Codeforces Codeforces Round #215 (Div. 1) 8
466 Birthday Categories Codeforces Codeforces Round #282 (Div. 1) 8
467 Beautiful Road Categories Codeforces Codeforces Beta Round #73 (Div. 1 Only) 8
468 Playing on Graph Categories Codeforces VK Cup 2015 - Round 3 (unofficial online mirror, Div. 1 only) 8
469 FreeDiv Categories Codeforces Codeforces Beta Round #66 8
470 Kingdom and its Cities Categories Codeforces Codeforces Round #339 (Div. 1) 8
471 Quarrel Categories Codeforces Codeforces Beta Round #29 (Div. 2, Codeforces format) 8
472 Run for beer Categories Codeforces Bubble Cup 8 - Finals [Online Mirror] 8
473 One-Based Arithmetic Categories Codeforces Testing Round #10 8
474 e-Government Categories Codeforces VK Cup 2012 Round 2 8
475 Password Categories Codeforces Codeforces Beta Round #71 8
476 Constrained Tree Categories Codeforces Rockethon 2015 8
477 Flights Categories Codeforces Bayan 2012-2013 Elimination Round (ACM ICPC Rules, English statements) 8
478 Opening Portals Categories Codeforces Codeforces Round #124 (Div. 1) 8
479 Archaeology Categories Codeforces Croc Champ 2012 - Round 2 8
480 Take-off Ramps Categories Codeforces Codeforces Round #101 (Div. 2) 8
481 IT Restaurants Categories Codeforces VK Cup 2012 Finals (unofficial online-version) 8
482 T-decomposition Categories Codeforces Codeforces Round #147 (Div. 2) 8
483 Board Game Categories Codeforces Codeforces Round #335 (Div. 1) 8
484 The Chocolate Spree Categories Codeforces Manthan, Codefest 16 8
485 CNF 2 Categories Codeforces Codeforces Round #317 [AimFund Thanks-Round] (Div. 1) & Codeforces Round #317 [AimFund Thanks-Round] (Div. 2) 8
486 Petya and Pipes Categories Codeforces Codeforces Round #212 (Div. 2) 8
487 Sweets Game Categories Codeforces Codeforces Beta Round #59 (Div. 2) 8
488 Choosing Subtree is Fun Categories Codeforces Codeforces Round #219 (Div. 1) 8
489 Polo the Penguin and Trees Categories Codeforces Codeforces Round #177 (Div. 1) 8
490 Drazil and Morning Exercise Categories Codeforces Codeforces Round #292 (Div. 1) 8
491 Intergalaxy Trips Categories Codeforces Codeforces Round #335 (Div. 1) 8
492 Yash And Trees Categories Codeforces Manthan, Codefest 16 8
493 Interestring graph and Apples Categories Codeforces Codeforces Beta Round #9 (Div. 2 Only) 8
494 Balance Categories Codeforces Codeforces Round #188 (Div. 1) & Codeforces Round #188 (Div. 2) 8
495 Three Swaps Categories Codeforces Codeforces Round #197 (Div. 2) 8
496 Meeting Her Categories Codeforces Codeforces Round #148 (Div. 1) 9
497 Harry Potter and the Sorting Hat Categories Codeforces Codeforces Beta Round #60 9
498 Superhero's Job Categories Codeforces VK Cup 2015 - Round 3 (unofficial online mirror, Div. 1 only) 9
499 Neatness Categories Codeforces Codeforces Round #209 (Div. 2) 9
500 Circling Round Treasures Categories Codeforces Codeforces Round #221 (Div. 1) & Codeforces Round #221 (Div. 2) 9
501 Pairs Categories Codeforces Yandex.Algorithm Open 2011 Qualification 1 9
502 Caterpillar Categories Codeforces Codeforces Beta Round #48 9
503 São João Categories SPOJ Brazil 9
504 Bear and Chase Categories Codeforces Codeforces Round #356 (Div. 1) 9
505 Cycle Categories Codeforces Codeforces Beta Round #97 (Div. 1) 9
506 Clockwork Bomb Categories Codeforces Codeforces Round #345 (Div. 1) 9
507 Evacuation Categories Codeforces Codeforces Beta Round #70 (Div. 2) 9
508 Game with Points Categories Codeforces Testing Round #9 9
509 Sagheer and Kindergarten Categories Codeforces Codeforces Round #417 (Div. 2) 9
510 Road Repairs Categories Codeforces Codeforces Round #145 (Div. 1, ACM-ICPC Rules) 9
511 Bitonix' Patrol Categories Codeforces Codeforces Round #134 (Div. 1) 9
512 Levko and Game Categories Codeforces Codeforces Round #210 (Div. 1) 9
513 Cycling City Categories Codeforces Codeforces Round #295 (Div. 1) 9
514 Wilbur and Strings Categories Codeforces Codeforces Round #331 (Div. 2) 9
515 The Classic Problem Categories Codeforces Codeforces Round #265 (Div. 1) 9
516 Rats Categories Codeforces Codeforces Round #155 (Div. 2) 9
517 DFS Categories Codeforces Lyft Level 5 Challenge 2018 - Final Round 9
518 Pilgrims Categories Codeforces Codeforces Round #202 (Div. 1) 9
519 Strongly Connected City 2 Categories Codeforces Bayan 2015 Contest Warm Up 9
520 Maze Categories Codeforces Codeforces Beta Round #92 (Div. 1 Only) 9
521 Monsters and Diamonds Categories Codeforces MemSQL start[c]up Round 1 9
522 Pumping Stations Categories Codeforces Codeforces Round #200 (Div. 1) 9
523 Fetch the Treasure Categories Codeforces Codeforces Round #185 (Div. 1) & Codeforces Round #185 (Div. 2) 9
524 Simplifying the Farm Categories SPOJ 9
525 Wormhouse Categories Codeforces Codeforces Beta Round #58 9
526 Trial for Chief Categories Codeforces Codeforces Beta Round #37 9
527 Winning Strategy Categories Codeforces Yandex.Algorithm 2011 Finals 9
528 Battlefield Categories Codeforces Codeforces Round #117 (Div. 2) 9
529 Arkady and a Nobody-men Categories Codeforces Codeforces Round #434 (Div. 1, based on Technocup 2018 Elimination Round 1) 9
530 Ship's Shortest Path Categories Codeforces Codeforces Beta Round #67 (Div. 2) 9
531 The Red Button Categories Codeforces MemSQL start[c]up Round 1 9
532 Track Categories Codeforces Codeforces Beta Round #72 (Div. 1 Only) & Codeforces Beta Round #72 (Div. 2 Only) 9
533 BHTML+BCSS Categories Codeforces Croc Champ 2012 - Qualification Round 9
534 Leaders Categories Codeforces Yandex.Algorithm 2011 Finals 10
535 The Overdosing Ubiquity Categories Codeforces Codeforces Round #439 (Div. 2) 10
536 Tree and Table Categories Codeforces Codeforces Round #153 (Div. 1) 10
537 Dynamic Programming Categories A2 Online Judge 10
538 Greedy Petya Categories Codeforces April Fools Day Contest 2013 10
539 Harry Potter and Moving Staircases Categories Codeforces Codeforces Beta Round #60 10
540 Misha and LCP on Tree Categories Codeforces Codeforces Round #285 (Div. 1) 10
541 Appleman and a Game Categories Codeforces Codeforces Round #263 (Div. 1) 10
542 Princess and Her Shadow Categories Codeforces Codeforces Round #188 (Div. 1) 10
543 Battleship Categories Codeforces Unknown Language Round #3 10
544 Nikita and game Categories Codeforces Codeforces Round #430 (Div. 2) 10
545 Berland Miners Categories Codeforces VK Cup 2015 - Round 2 (unofficial online mirror, Div. 1 only) 10
546 Island Puzzle Categories Codeforces 8VC Venture Cup 2016 - Final Round 10
547 Escaping on Beaveractor Categories Codeforces ABBYY Cup 3.0 - Finals (online version) 10
548 Logistical Questions Categories Codeforces VK Cup 2015 - Finals, online mirror 10
549 Rap God Categories Codeforces Codeforces Round #406 (Div. 1) 10
550 Gnomes of Might and Magic Categories Codeforces Codeforces Round #115 10
551 Doe Graphs Categories Codeforces Codeforces Round #144 (Div. 1) & Codeforces Round #144 (Div. 2) 10
552 Longest Maze Path Categories SPOJ 10
553 Suns and Rays Categories Codeforces ABBYY Cup 3.0 10
554 Sloth Categories Codeforces Codeforces Round #446 (Div. 1) 10
555 Chess Categories Codeforces Codeforces Beta Round #53 10
556 Taxi in Berland Categories Codeforces 2015-2016 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) 10
557 Wavy numbers Categories Codeforces Codeforces Round #273 (Div. 2) 10
558 Suns and Rays Categories Codeforces ABBYY Cup 3.0 10
559 Colored Jenga Categories Codeforces Codeforces Round #242 (Div. 2) 10
560 Bear and Chemistry Categories Codeforces VK Cup 2016 - Round 1 10
561 Chain Letter Categories Codeforces Friday the 13th, Programmers Day 10
562 Summer Dichotomy Categories Codeforces Codeforces Round #300 10
563 Baldman and the military Categories Codeforces Codeforces Beta Round #41 10
564 #dynamic-programming&nbsp;(168)</span> Categories SPOJ 10