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