Contest Name: 39081 - Thebes Academy Sheet (16 days, 18 hrs and 6 mins)

Standings - Submissions - Problems - Registrants - Register


Problem Name Online Judge Year Contest
1 P1 - Theatre Square Codeforces Codeforces Beta Round #1
2 P2 - Bit++ Codeforces Codeforces Round #173 (Div. 2)
3 P3 - George and Accommodation Codeforces Codeforces Round #267 (Div. 2)
4 P4 - Young Physicist Codeforces Codeforces Beta Round #63 (Div. 2)
5 P5 - Beautiful Year Codeforces Codeforces Round #166 (Div. 2)
6 P6 - Hulk Codeforces Codeforces Round #366 (Div. 2)
7 P7 - Taxi Codeforces VK Cup 2012 Qualification Round 1
8 P8 - Reconnaissance 2 Codeforces Codeforces Beta Round #34 (Div. 2)
9 P9 - Army Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules)
10 P10 - Bulbs Codeforces Codeforces Round #338 (Div. 2)
11 P11 - Where is the Marble? UVA
12 P12 - Sales UVA
13 P13 - Closest Sums UVA
14 P14 - Next Round Codeforces VK Cup 2012 Qualification Round 1
15 P15 - Way Too Long Words Codeforces Codeforces Beta Round #65 (Div. 2)
16 P16 - String Task Codeforces Codeforces Beta Round #89 (Div. 2)
17 P17 - Petya and Strings Codeforces Codeforces Beta Round #85 (Div. 2 Only)
18 P18 - Word Capitalization Codeforces Codeforces Round #172 (Div. 2)
19 P19 - cAPS lOCK Codeforces Codeforces Beta Round #95 (Div. 2)
20 P20 - Beautiful Matrix Codeforces Codeforces Round #161 (Div. 2)
21 P21 - Translation Codeforces Codeforces Beta Round #40 (Div. 2)
22 P22 - Have Fun with Matrices UVA
23 P23 - Symmetric Matrix UVA
24 P24 - Square Sums UVA
25 P25 - Drinks Codeforces Codeforces Round #126 (Div. 2)
26 P26 - Arrival of the General Codeforces Codeforces Round #103 (Div. 2)
27 P27 - Queue at the School Codeforces Codeforces Round #163 (Div. 2)
28 P28 - Soft Drinking Codeforces Codeforces Round #107 (Div. 2)
29 P29 - Boy or Girl Codeforces Codeforces Round #146 (Div. 2)
30 P30 - Soldier and Bananas Codeforces Codeforces Round #304 (Div. 2)
31 P31 - Even Odds Codeforces Codeforces Round #188 (Div. 2)
32 P32 - Die Roll Codeforces Codeforces Beta Round #9 (Div. 2 Only)
33 P33 - Vanya and Cards Codeforces Codeforces Round #235 (Div. 2)
34 P34 - Expression Codeforces Codeforces Round #274 (Div. 2)
35 P35 - Buttons Codeforces Codeforces Round #164 (Div. 2)
36 P36 - Vanya and Fence Codeforces Codeforces Round #355 (Div. 2)
37 P37 - Gravity Flip Codeforces Codeforces Round #238 (Div. 2)
38 P38 - Points on Line Codeforces Codeforces Round #153 (Div. 1) & Codeforces Round #153 (Div. 2)
39 P39 - Powers of Two Codeforces Educational Codeforces Round 15
40 P40 - Interesting drink Codeforces Codeforces Round #367 (Div. 2)
41 P41 - Sort! Sort!! and Sort!!! UVA
42 P42 - The Playboy Chimp UVA
43 P43 - Mahmoud and a Triangle Codeforces Codeforces Round #396 (Div. 2)
44 P44 - 4 values whose sum is 0 SPOJ
45 P45 - Queries about less or equal elements Codeforces Educational Codeforces Round 2
46 P46 - Devu, the Singer and Churu, the Joker Codeforces Codeforces Round #251 (Div. 2)
47 P47 - Queue Codeforces Codeforces Round #303 (Div. 2)
48 P48 - Helpful Maths Codeforces Codeforces Round #197 (Div. 2)
49 P49 - History Grading UVA
50 P50 - Testing the CATCHER UVA
51 P51 - Longest Common Subsequence UVA
52 P52 - Bytelandian gold coins SPOJ
53 P53 - Dividing coins UVA
54 P54 - Adjacent Bit Counts SPOJ
55 P55 - Easy Longest Increasing Subsequence SPOJ
56 P56 - ACM (ACronymMaker) SPOJ
57 P57 - Alphacode SPOJ
58 P58 - Assignments SPOJ
59 P59 - Balancing the Stone SPOJ
60 P60 - Batman UVA
61 P61 - Big Maximum Sum Codeforces Codeforces Beta Round #67 (Div. 2)
62 P62 - BLAST SPOJ
63 P63 - Boy Scouts SPOJ
64 P64 - Bytelandian gold coins SPOJ
65 P65 - Candy I SPOJ
66 P66 - Card Sorting SPOJ
67 P67 - Chocolate SPOJ
68 P68 - Chop Ahoy! Revisited! SPOJ
69 P69 - Cinema Cashier Codeforces Codeforces Beta Round #10
70 P70 - Coins Game SPOJ
71 P71 - Counting The Way of Bracket Replacement SPOJ
72 P72 - Decoding Morse Sequences SPOJ
73 P73 - Distinct Subsequences SPOJ
74 P74 - DNA Laboratory SPOJ
75 P75 - DNA Sequences SPOJ
76 P76 - Feynman SPOJ
77 P77 - Help the soldier SPOJ
78 P78 - I-Keyboard SPOJ
79 P79 - Interesting number SPOJ
80 P80 - Longest Regular Bracket Sequence Codeforces Codeforces Beta Round #5
81 P81 - Looking for Order Codeforces Codeforces Beta Round #8
82 P82 - Message Live Archive 2008 Asia - Taipei
83 P83 - Message Codeforces Codeforces Round #110 (Div. 1) & Codeforces Round #110 (Div. 2)
84 P84 - Mysterious Present Codeforces Codeforces Beta Round #4 (Div. 2 Only)
85 P85 - No Change Live Archive 2001 Europe - Southwestern
86 P86 - Numbers Codeforces Codeforces Beta Round #13
87 P87 - Particular Palindromes Live Archive 2003 North America - Pacific Northwest
88 P88 - Partitions Live Archive 2002 World Finals - Honolulu
89 P89 - Party Schedule SPOJ
90 P90 - Permutations SPOJ
91 P91 - Petr# Codeforces Codeforces Beta Round #86 (Div. 1 Only) & Codeforces Beta Round #86 (Div. 2 Only)
92 P92 - Philosophers Stone SPOJ
93 P93 - Piggy-Bank SPOJ
94 P94 - Pilots SPOJ
95 P95 - Point Connection Game in a Circle SPOJ
96 P96 - Rectangles Perimeter SPOJ
97 P97 - Rent your airplane and make money SPOJ
98 P98 - Roads SPOJ
99 P99 - Scuba diver SPOJ
100 P100 - Slikar SPOJ
101 P101 - Street SPOJ
102 P102 - String problem SPOJ
103 P103 - String Shuffle SPOJ
104 P104 - Summing to a Square Prime SPOJ
105 P105 - Sums in a Triangle SPOJ
106 P106 - The Double HeLiX SPOJ
107 P107 - Three-coloring of binary trees SPOJ
108 P108 - Tiling a Grid With Dominoes SPOJ
109 P109 - Tower of Babylon SPOJ
110 P110 - Treats for the Cows SPOJ
111 P111 - Tri graphs SPOJ
112 P112 - Trip SPOJ
113 P113 - Two Ends SPOJ
114 P114 - Up Subsequence SPOJ
115 P115 - Vertex Cover SPOJ
116 P116 - The jackpot UVA
117 P117 - Maximum Sub-sequence Product UVA
118 P118 - Two Ends SPOJ
119 P119 - Alphacode SPOJ
120 P120 - Broken Keyboard SPOJ
121 P121 - The Double HeLiX Live Archive 2005 Africa/Middle East - Arab and North Africa
122 P122 - Maximum Sum UVA
123 P123 - Take the Land UVA
124 P124 - Aibohphobia SPOJ
125 P125 - History Grading UVA
126 P126 - What Goes Up UVA
127 P127 - The Tower of Babylon UVA
128 P128 - The Knapsack Problem SPOJ
129 P129 - Scuba diver SPOJ
130 P130 - Feast Coins A2 Online Judge
131 P131 - Edit distance SPOJ
132 P132 - BerSU Ball Codeforces Codeforces Round #277.5 (Div. 2)
133 P133 - ABCDEF SPOJ
134 P134 - The Double HeLiX SPOJ
135 P135 - CWC-2015 SPOJ
136 P136 - Chocolate SPOJ
137 P137 - Count The Indexes SPOJ
138 P138 - The Egyptian Parliament SPOJ
139 P139 - Can You Make It Empty 2 SPOJ
140 P140 - Can You Make It Empty 3 SPOJ
141 P141 - Aritho-geometric Series (AGS) SPOJ
142 P142 - Cube Free Numbers SPOJ
143 P143 - Countdown SPOJ
144 P144 - New Year Candles Codeforces Good Bye 2013
145 P145 - Calculating Function Codeforces Codeforces Round #277 (Div. 2)
146 P146 - Case of the Zeros and Ones Codeforces Codeforces Round #310 (Div. 2)
147 P147 - Vanya and Lanterns Codeforces Codeforces Round #280 (Div. 2)
148 P148 - Worms Codeforces Codeforces Round #271 (Div. 2)
149 P149 - Vanya and Books Codeforces Codeforces Round #308 (Div. 2)
150 P150 - Random Teams Codeforces Codeforces Round #273 (Div. 2)
151 P151 - Largest Submatrix UVA
152 P152 - Murcia's Skyline UVA
153 P153 - Diving for Gold UVA
154 P154 - Sum of Different Primes UVA
155 P155 - SuperSale UVA
156 P156 - Luggage UVA
157 P157 - Trouble of 13-Dots UVA
158 P158 - Let Me Count The Ways UVA
159 P159 - Dollars UVA
160 P160 - Ingenuous Cubrency UVA
161 P161 - Collecting Beepers UVA
162 P162 - Unidirectional TSP UVA
163 P163 - Flight Planner UVA
164 P164 - How do you add? UVA
165 P165 - Longest Match UVA
166 P166 - Prince and Princess UVA
167 P167 - String to Palindrome UVA
168 P168 - Make Palindrome UVA
169 P169 - Longest Palindrome UVA
170 P170 - Safe Salutations UVA
171 P171 - Compromise UVA
172 P172 - Game of Sum UVA
173 P173 - Cutting Sticks UVA
174 P174 - Account Book UVA
175 P175 - Optimal Binary Search Tree UVA
176 P176 - Maximum sum on a torus UVA
177 P177 - Dynamic Frog UVA
178 P178 - Pebble Solitaire UVA
179 P179 - Crime Wave - The Sequel UVA
180 P180 - Beautiful Numbers UVA
181 P181 - Forming Quiz Teams UVA
182 P182 - Getting in Line UVA
183 P183 - Headmaster's Headache UVA
184 P184 - Mines For Diamonds UVA
185 P185 - Segments UVA
186 P186 - Pay the Price UVA
187 P187 - k-Tree Codeforces Codeforces Round #247 (Div. 2)
188 P188 - Caesar's Legions Codeforces Codeforces Beta Round #89 (Div. 2)
189 P189 - Xenia and Weights Codeforces Codeforces Round #197 (Div. 2)
190 P190 - Working out Codeforces Codeforces Round #245 (Div. 1) & Codeforces Round #245 (Div. 2)
191 P191 - Greenhouse Effect Codeforces Codeforces Round #165 (Div. 1) & Codeforces Round #165 (Div. 2)
192 P192 - LATGACH3 SPOJ
193 P193 - Bracket Sequence SPOJ
194 P194 - Sorting is not easy SPOJ
195 P195 - Bee Walk SPOJ
196 P196 - Minus Operation SPOJ
197 P197 - Tiling a WxH Grid With Dominoes SPOJ
198 P198 - Musketeers SPOJ
199 P199 - Sweet and Sour Rock SPOJ
200 P200 - Square Brackets SPOJ
201 P201 - Making A Budget SPOJ
202 P202 - Cross-country SPOJ
203 P203 - Feline Olympics - Mouseball SPOJ
204 P204 - Many polygons SPOJ
205 P205 - Investment Money SPOJ
206 P206 - Let go to the movies SPOJ
207 P207 - Any fool can do it SPOJ
208 P208 - The Courier SPOJ
209 P209 - Deliver pizza SPOJ
210 P210 - Counting K-Rectangle SPOJ
211 P211 - Packing Rectangles SPOJ
212 P212 - Pocket Money SPOJ
213 P213 - Najkraci SPOJ
214 P214 - Phidias SPOJ
215 P215 - Con-Junctions SPOJ
216 P216 - Tourist SPOJ
217 P217 - Menu SPOJ
218 P218 - Dab of Backpack SPOJ
219 P219 - Martian Mining SPOJ
220 P220 - The Secret of an Aerolite SPOJ
221 P221 - Oil Company SPOJ
222 P222 - Complete the Sequence! SPOJ
223 P223 - Recursive Sequence (Version II) SPOJ
224 P224 - Recursive Sequence (Version X) SPOJ
225 P225 - Maximum Triangle Area SPOJ
226 P226 - Convex Polygons SPOJ
227 P227 - Polygon SPOJ
228 P228 - Fractionated morse cipher SPOJ
229 P229 - Histogram SPOJ
230 P230 - Traveling by Stagecoach SPOJ
231 P231 - Distinct Increasing Subsequences SPOJ
232 P232 - Increasing Subsequences SPOJ
233 P233 - A short vacation in Disneyland SPOJ
234 P234 - Wooden Sticks SPOJ
235 P235 - Nested Dolls SPOJ
236 P236 - System of Equations Codeforces Codeforces Round #131 (Div. 2)
237 P237 - Back to High School Physics UVA
238 P238 - Vasya and Socks Codeforces Codeforces Round #262 (Div. 2)
239 P239 - Automatic Answer UVA
240 P240 - The number of positions Codeforces Codeforces Beta Round #92 (Div. 2 Only)
241 P241 - Dasha and Stairs Codeforces Codeforces Round #394 (Div. 2)
242 P242 - King Moves Codeforces Educational Codeforces Round 16
243 P243 - Meeting of Old Friends Codeforces Codeforces Round #371 (Div. 2)
244 P244 - The number of positions Codeforces Codeforces Beta Round #92 (Div. 2 Only)
245 P245 - Dasha and Stairs Codeforces Codeforces Round #394 (Div. 2)
246 P246 - King Moves Codeforces Educational Codeforces Round 16
247 P247 - Meeting of Old Friends Codeforces Codeforces Round #371 (Div. 2)
248 P248 - inc ARG Codeforces Codeforces Round #265 (Div. 2)
249 P249 - Parallelepiped Codeforces Codeforces Round #138 (Div. 2)
250 P250 - Initial Bet Codeforces Codeforces Round #273 (Div. 2)
251 P251 - Wizards and Demonstration Codeforces Codeforces Round #114 (Div. 2)
252 P252 - Buggy Sorting Codeforces Codeforces Round #151 (Div. 2)
253 P253 - Dima and Friends Codeforces Codeforces Round #167 (Div. 2)
254 P254 - Ilya and Bank Account Codeforces Codeforces Round #186 (Div. 2)
255 P255 - Team Codeforces Codeforces Round #143 (Div. 2)
256 P256 - Ciel and Dancing Codeforces Codeforces Round #190 (Div. 2)
257 P257 - Toy Army Codeforces Codeforces Beta Round #72 (Div. 2 Only)
258 P258 - Duff and Meat Codeforces Codeforces Round #326 (Div. 2)
259 P259 - Roma and Lucky Numbers Codeforces Codeforces Round #160 (Div. 2)
260 P260 - Pashmak and Garden Codeforces Codeforces Round #261 (Div. 2)
261 P261 - The number of positions Codeforces Codeforces Beta Round #92 (Div. 2 Only)
262 P262 - Dasha and Stairs Codeforces Codeforces Round #394 (Div. 2)
263 P263 - King Moves Codeforces Educational Codeforces Round 16
264 P264 - Meeting of Old Friends Codeforces Codeforces Round #371 (Div. 2)
265 P265 - Magnets Codeforces Codeforces Round #200 (Div. 2)
266 P266 - Anton and Danik Codeforces Codeforces Round #379 (Div. 2)
267 P267 - Bear and Big Brother Codeforces Codeforces Round #405 (rated, Div. 2, based on VK Cup 2017 Round 1)
268 P268 - Xenia and Divisors Codeforces Codeforces Round #199 (Div. 2)
269 P269 - Sereja and Coat Rack Codeforces Codeforces Round #215 (Div. 2)
270 P270 - Yaroslav and Permutations Codeforces Codeforces Round #179 (Div. 2)
271 P271 - Anton and Danik Codeforces Codeforces Round #379 (Div. 2)
272 P272 - Bear and Big Brother Codeforces Codeforces Round #405 (rated, Div. 2, based on VK Cup 2017 Round 1)
273 P273 - Xenia and Divisors Codeforces Codeforces Round #199 (Div. 2)
274 P274 - Sereja and Coat Rack Codeforces Codeforces Round #215 (Div. 2)
275 P275 - Yaroslav and Permutations Codeforces Codeforces Round #179 (Div. 2)
276 P276 - Domino Codeforces Codeforces Round #205 (Div. 2)
277 P277 - Playing with Dice Codeforces Codeforces Round #222 (Div. 2)
278 P278 - I_love_\%username\% Codeforces Codeforces Round #109 (Div. 2)
279 P279 - Lunch Rush Codeforces Codeforces Round #169 (Div. 2)
280 P280 - Raising Bacteria Codeforces Codeforces Round #320 (Div. 2) [Bayan Thanks-Round]
281 P281 - Game With Sticks Codeforces Codeforces Round #258 (Div. 2)
282 P282 - Cheap Travel Codeforces Codeforces Round #266 (Div. 2)
283 P283 - Choosing Teams Codeforces Codeforces Round #246 (Div. 2)
284 P284 - Amusing Joke Codeforces Codeforces Round #101 (Div. 2)
285 P285 - Pangram Codeforces Codeforces Round #295 (Div. 2)
286 P286 - Presents Codeforces Codeforces Beta Round #97 (Div. 2)
287 P287 - Lights Out Codeforces Codeforces Round #168 (Div. 2)
288 P288 - Chat room Codeforces Codeforces Beta Round #54 (Div. 2)
289 P289 - Dubstep Codeforces Codeforces Round #130 (Div. 2)
290 P290 - Snacktower Codeforces Codeforces Round #398 (Div. 2)
291 P291 - The 3n + 1 problem UVA
292 P292 - Exact Sum UVA
293 P293 - The Great Ball SPOJ
294 P294 - Don't Get Rooked UVA
295 P295 - Word Codeforces Codeforces Beta Round #55 (Div. 2)
296 P296 - Yet Another Permutations Problem SPOJ
297 P297 - What is your Logo SPOJ
298 P298 - Anton and Letters Codeforces Codeforces Round #253 (Div. 2)
299 P299 - Juicer Codeforces AIM Tech Round 3 (Div. 2)
300 P300 - Panoramix's Prediction Codeforces Codeforces Beta Round #69 (Div. 2 Only)
301 P301 - Jolly Jumpers UVA
302 P302 - Digital Fortress UVA
303 P303 - Group Reverse UVA
304 P304 - Free spots UVA
305 P305 - Substitution Cypher UVA
306 P306 - Collecting Beats is Fun Codeforces Codeforces Round #219 (Div. 2)
307 P307 - Chessboard in FEN UVA
308 P308 - HQ9+ Codeforces Codeforces Beta Round #96 (Div. 2)
309 P309 - The 3n + 1 problem UVA
310 P310 - Cinema Line Codeforces Codeforces Round #202 (Div. 2)
311 P311 - Anton and Digits Codeforces Codeforces Round #379 (Div. 2)
312 P312 - Sort the Array Codeforces Codeforces Round #258 (Div. 2)
313 P313 - Wilbur and Array Codeforces Codeforces Round #331 (Div. 2)
314 P314 - Square Numbers UVA
315 P315 - Three-square UVA
316 P316 - Burger Time? UVA
317 P317 - Zeros and Ones UVA
318 P318 - Rat Attack UVA
319 P319 - k-String Codeforces Codeforces Round #135 (Div. 2)
320 P320 - Cut Ribbon Codeforces Codeforces Round #119 (Div. 2)
321 P321 - Two Bags of Potatoes Codeforces Codeforces Round #148 (Div. 2)
322 P322 - Vitya in the Countryside Codeforces Codeforces Round #373 (Div. 2)
323 P323 - Mike and palindrome Codeforces Codeforces Round #410 (Div. 2)
324 P324 - Cookies Codeforces Codeforces Beta Round #94 (Div. 2 Only)
325 P325 - Life Without Zeros Codeforces Codeforces Beta Round #67 (Div. 2)
326 P326 - Nearly Lucky Number Codeforces Codeforces Beta Round #84 (Div. 2 Only)
327 P327 - Generating Fast UVA
328 P328 - Parentheses Balance UVA
329 P329 - Throwing cards away I UVA
330 P330 - Mother bear UVA
331 P331 - One-Two-Three UVA
332 P332 - Word Scramble UVA
333 P333 - All in All UVA
334 P334 - Decoding the message. UVA
335 P335 - Extra Spaces UVA
336 P336 - Periodic Strings UVA
337 P337 - 2D-SORT SPOJ
338 P338 - Vessels Codeforces Codeforces Round #218 (Div. 2)
339 P339 - Printer Queue UVA
340 P340 - ID Codes UVA
341 P341 - Team Queue UVA
342 P342 - Birthdates UVA
343 P343 - Letter Frequency UVA
344 P344 - Vitaly and Strings Codeforces Codeforces Round #293 (Div. 2)
345 P345 - Sinking Ship Codeforces Codeforces Beta Round #59 (Div. 2)
346 P346 - Pesky Palindromes UVA
347 P347 - Almost Prime Codeforces Codeforces Beta Round #26 (Codeforces format)
348 P348 - Easy Number Challenge Codeforces Codeforces Round #146 (Div. 2)
349 P349 - Prime Words UVA
350 P350 - Prime Cuts UVA
351 P351 - Almost Prime Numbers UVA
352 P352 - T-primes Codeforces Codeforces Round #142 (Div. 2)
353 P353 - Noldbach problem Codeforces Codeforces Beta Round #17
354 P354 - Again Twenty Five! Codeforces Experimental Educational Round: VolBIT Formulas Blitz
355 P355 - Prime Matrix Codeforces Codeforces Round #166 (Div. 2)
356 P356 - Primal Fear SPOJ
357 P357 - k-th divisor Codeforces Educational Codeforces Round 17
358 P358 - Modified GCD Codeforces Codeforces Beta Round #67 (Div. 2)
359 P359 - The New Rule in Euphomia UVA
360 P360 - Maximum GCD UVA
361 P361 - GCD LCM UVA
362 P362 - Ocean Deep! - Make it shallow!! UVA
363 P363 - Ones UVA
364 P364 - Multipliers Codeforces Codeforces Round #338 (Div. 2)
365 P365 - Truckloads SPOJ
366 P366 - Reverse SPOJ
367 P367 - Mother bear UVA
368 P368 - Hello Recursion SPOJ
369 P369 - I'm bored with life Codeforces Codeforces Round #422 (Div. 2)
370 P370 - Passwords UVA
371 P371 - Word Index UVA
372 P372 - Sum It Up UVA
373 P373 - Prime Ring Problem UVA
374 P374 - A-Sequence UVA
375 P375 - Division UVA
376 P376 - Back to the 8-Queens UVA
377 P377 - Squares Live Archive 2004 South Pacific
378 P378 - Cumulative Sum Query SPOJ
379 P379 - Pasha and String Codeforces Codeforces Round #297 (Div. 2)
380 P380 - Kuriyama Mirai's Stones Codeforces Codeforces Round #248 (Div. 2)
381 P381 - Tell me the frequencies! UVA
382 P382 - Maximum Absurdity Codeforces Codeforces Round #193 (Div. 2)
383 P383 - Ilya and Queries Codeforces Codeforces Round #186 (Div. 2)
384 P384 - Vasya and Robot Codeforces Codeforces Round #206 (Div. 1) & Codeforces Round #206 (Div. 2)
385 P385 - Repair road SPOJ
386 P386 - Bits Codeforces Codeforces Round #276 (Div. 1) & Codeforces Round #276 (Div. 2)
387 P387 - CD UVA
388 P388 - Little Girl and Maximum XOR Codeforces Codeforces Round #169 (Div. 2)
389 P389 - Tavas and SaDDas Codeforces Codeforces Round #299 (Div. 2)
390 P390 - Lucky Numbers (easy) Codeforces Codeforces Beta Round #77 (Div. 2 Only)
391 P391 - Fedor and New Game Codeforces Codeforces Round #267 (Div. 2)
392 P392 - Bars UVA
393 P393 - Preparing Olympiad Codeforces Codeforces Round #306 (Div. 2)
394 P394 - The Child and Set Codeforces Codeforces Round #250 (Div. 2)
395 P395 - Aggressive cows SPOJ
396 P396 - Hamburgers Codeforces Codeforces Round #218 (Div. 2)
397 P397 - Gotta Catch 'Em All A2 Online Judge
398 P398 - Road to Cinema Codeforces Technocup 2017 - Elimination Round 2
399 P399 - Mr. Bender and Square Codeforces Codeforces Round #156 (Div. 2) & Codeforces Round #156 (Div. 1)
400 P400 - Multiplication Table Codeforces Codeforces Round #256 (Div. 2)
401 P401 - Hard Process Codeforces Educational Codeforces Round 11
402 P402 - Audition SPOJ
403 P403 - Crossed Ladders UVA
404 P404 - Magic Powder - 2 Codeforces Codeforces Round #350 (Div. 2)
405 P405 - Solve It UVA
406 P406 - Exposition Codeforces Codeforces Beta Round #6 (Div. 2 Only)
407 P407 - Longest k-Good Segment Codeforces Educational Codeforces Round 5
408 P408 - Maximum Value Codeforces Codeforces Round #276 (Div. 1) & Codeforces Round #276 (Div. 2)
409 P409 - Anton and Making Potions Codeforces Codeforces Round #379 (Div. 2)
410 P410 - USB vs. PS/2 Codeforces Educational Codeforces Round 17
411 P411 - Guess a number! Codeforces Codeforces Round #241 (Div. 2)
412 P412 - Counting Kangaroos is Fun Codeforces Codeforces Round #219 (Div. 1) & Codeforces Round #219 (Div. 2)
413 P413 - Hotels Along the Croatian Coast SPOJ
414 P414 - Books Codeforces Codeforces Round #171 (Div. 2)
415 P415 - Three Base Stations Codeforces Codeforces Beta Round #48
416 P416 - Trip For Meal Codeforces Codeforces Round #441 (Div. 2, by Moscow Team Olympiad)
417 P417 - Chores Codeforces Educational Codeforces Round 30
418 P418 - Street Parade SPOJ
419 P419 - Ada and Queue SPOJ
420 P420 - I Can Guess the Data Structure! UVA
421 P421 - Ferry Loading IV UVA
422 P422 - Abstract Names UVA
423 P423 - Little Elephant and Chess Codeforces Codeforces Round #157 (Div. 2)
424 P424 - Decoding UVA
425 P425 - Football Codeforces Codeforces Beta Round #77 (Div. 2 Only)
426 P426 - Two Substrings Codeforces Codeforces Round #306 (Div. 2)
427 P427 - I Can Guess the Data Structure! UVA
428 P428 - Cosmic Tables Codeforces Codeforces Round #137 (Div. 2)
429 P429 - Letter Codeforces Codeforces Beta Round #42 (Div. 2)
430 P430 - Phone Numbers Codeforces Codeforces Round #107 (Div. 2)
431 P431 - No to Palindromes! Codeforces Codeforces Round #265 (Div. 1) & Codeforces Round #265 (Div. 2)
432 P432 - The Department of Redundancy Department UVA
433 P433 - President's Office Codeforces Codeforces Beta Round #6 (Div. 2 Only)
434 P434 - Sereja and Dima Codeforces Codeforces Round #223 (Div. 2)
435 P435 - Stones on the Table Codeforces Codeforces Round #163 (Div. 2)
436 P436 - Police Recruits Codeforces Codeforces Round #244 (Div. 2)
437 P437 - Night at the Museum Codeforces Codeforces Round #376 (Div. 2)
438 P438 - Games Codeforces Codeforces Round #164 (Div. 2)
439 P439 - Buy a Shovel Codeforces Codeforces Round #377 (Div. 2)
440 P440 - Is your horseshoe on the other hoof? Codeforces Codeforces Round #141 (Div. 2)
441 P441 - Colorful Stones (Simplified Edition) Codeforces Codeforces Round #162 (Div. 2)
442 P442 - Shaass and Oskols Codeforces Codeforces Round #178 (Div. 2)
443 P443 - Carrot Cakes Codeforces Playrix Codescapes Cup (Codeforces Round #413, rated, Div. 1 + Div. 2)
444 P444 - Free Ice Cream Codeforces Codeforces Round #359 (Div. 2)
445 P445 - Team Olympiad Codeforces Codeforces Round #279 (Div. 2)
446 P446 - New Password Codeforces VK Cup 2017 - Qualification 2
447 P447 - Lineland Mail Codeforces Codeforces Round #Pi (Div. 2)
448 P448 - Mahmoud and Longest Uncommon Subsequence Codeforces Codeforces Round #396 (Div. 2)
449 P449 - Oath of the Night's Watch Codeforces Divide by Zero 2017 and Codeforces Round #399 (Div. 1 + Div. 2, combined)
450 P450 - Twins Codeforces Codeforces Round #111 (Div. 2)
451 P451 - Keyboard Codeforces Codeforces Round #271 (Div. 2)
452 P452 - The Seasonal War UVA
453 P453 - Marcus UVA
454 P454 - Battleships UVA
455 P455 - Forming Teams Codeforces Codeforces Round #133 (Div. 2)
456 P456 - Hierarchy SPOJ
457 P457 - Ordering Tasks UVA
458 P458 - Good Number Codeforces Codeforces Round #213 (Div. 2)
459 P459 - Dice Tower Codeforces Codeforces Round #139 (Div. 2)
460 P460 - Alyona and Numbers Codeforces Codeforces Round #358 (Div. 2)
461 P461 - Mountain Scenery Codeforces Codeforces Round #134 (Div. 2)
462 P462 - Help Vasilisa the Wise 2 Codeforces Codeforces Round #102 (Div. 2)
463 P463 - Chewba?ca and Number Codeforces Codeforces Round #291 (Div. 2)
464 P464 - Ksenia and Pan Scales Codeforces Codeforces Round #224 (Div. 2)
465 P465 - Launch of Collider Codeforces Codeforces Round #363 (Div. 2)
466 P466 - Polo the Penguin and Segments Codeforces Codeforces Round #177 (Div. 2)
467 P467 - IQ Test Codeforces Codeforces Round #176 (Div. 2)
468 P468 - Snow Footprints Codeforces Codeforces Round #180 (Div. 2)
469 P469 - Pipeline Codeforces Codeforces Round #176 (Div. 2)
470 P470 - Decoding Codeforces Codeforces Round #386 (Div. 2)
471 P471 - Petya and Countryside Codeforces Codeforces Beta Round #61 (Div. 2)
472 P472 - Bear and Finding Criminals Codeforces Codeforces Round #356 (Div. 2)
473 P473 - Burglar and Matches Codeforces Codeforces Beta Round #16 (Div. 2 Only)
474 P474 - Sum of Digits Codeforces Codeforces Beta Round #79 (Div. 2 Only)
475 P475 - Coins Codeforces Codeforces Beta Round #44 (Div. 2)
476 P476 - Effective Approach Codeforces Codeforces Round #140 (Div. 2)
477 P477 - Easter Eggs Codeforces Codeforces Beta Round #70 (Div. 2)
478 P478 - Localized Summing for Blurring UVA
479 P479 - Fence Codeforces Codeforces Round #211 (Div. 2)
480 P480 - Lovely Palindromes Codeforces Codeforces Round #360 (Div. 2)
481 P481 - Devu, the Dumb Guy Codeforces Codeforces Round #251 (Div. 2)
482 P482 - Summer sell-off Codeforces Codeforces Round #415 (Div. 2)
483 P483 - Colorful Field Codeforces Codeforces Beta Round #71
484 P484 - Keyboard Codeforces Codeforces Beta Round #73 (Div. 2 Only)
485 P485 - Find The Bone Codeforces Codeforces Round #408 (Div. 2)
486 P486 - Tic-Tac-Toe ( I ) SPOJ
487 P487 - Tic-Tac-Toe ( II ) SPOJ
488 P488 - Knight Moves UVA
489 P489 - King's Path Codeforces Codeforces Round #149 (Div. 2)
490 P490 - Students and Shoelaces Codeforces Codeforces Beta Round #94 (Div. 2 Only)
491 P491 - Dreamoon and WiFi Codeforces Codeforces Round #272 (Div. 2)
492 P492 - Chat Online Codeforces Codeforces Round #268 (Div. 2)
493 P493 - Olympic Medal Codeforces Codeforces Round #132 (Div. 2)
494 P494 - Filya and Homework Codeforces Codeforces Round #371 (Div. 2)
495 P495 - Inna and New Matrix of Candies Codeforces Codeforces Round #234 (Div. 2)
496 P496 - Steps Codeforces Codeforces Round #108 (Div. 2)
497 P497 - Growing Mushrooms Codeforces Codeforces Round #118 (Div. 2)
498 P498 - Continents UVA
499 P499 - Hanoi Tower Timus
500 P500 - Rankings UVA
501 P501 - Roma and Changing Signs Codeforces Codeforces Round #160 (Div. 2)
502 P502 - Bear and Strings Codeforces Codeforces Round #226 (Div. 2)
503 P503 - I.O.U. Codeforces Codeforces Round #221 (Div. 2)
504 P504 - Jeff and Periods Codeforces Codeforces Round #204 (Div. 2)
505 P505 - Meeting Codeforces Codeforces Round #103 (Div. 2)
506 P506 - Physics Practical Codeforces Codeforces Round #154 (Div. 2)
507 P507 - Kolya and Tanya Codeforces Codeforces Round #324 (Div. 2)
508 P508 - Suffix Structures Codeforces Codeforces Round #256 (Div. 2)
509 P509 - Complete the Word Codeforces Codeforces Round #372 (Div. 2)
510 P510 - Mashmokh and Tokens Codeforces Codeforces Round #240 (Div. 2)
511 P511 - Fox And Two Dots Codeforces Codeforces Round #290 (Div. 2)
512 P512 - Routine Problem Codeforces Codeforces Round #196 (Div. 2)
513 P513 - Vasya and Wrestling Codeforces Codeforces Round #281 (Div. 2)
514 P514 - Hamming Distance Sum Codeforces Codeforces Round #336 (Div. 2)
515 P515 - Wet Shark and Bishops Codeforces Codeforces Round #341 (Div. 2)
516 P516 - Kefa and Company Codeforces Codeforces Round #321 (Div. 2)
517 P517 - Treasure Hunt Codeforces Codeforces Round #482 (Div. 2)
518 P518 - Painting Eggs Codeforces Codeforces Round #173 (Div. 2)
519 P519 - Pasha Maximizes Codeforces Codeforces Round #249 (Div. 2)
520 P520 - Little Girl and Game Codeforces Codeforces Round #169 (Div. 2)
521 P521 - Art Union Codeforces Codeforces Round #241 (Div. 2)
522 P522 - Booking System Codeforces Codeforces Round #241 (Div. 2)
523 P523 - Vanya and Exams Codeforces Codeforces Round #280 (Div. 2)
524 P524 - Lumberjack Sequencing UVA
525 P525 - Coin Change UVA
526 P526 - Product UVA
527 P527 - Light, more light UVA
528 P528 - Wedding shopping UVA
529 P529 - Jumping Mario UVA
530 P530 - Is it a tree SPOJ
531 P531 - All Roads Lead Where? UVA
532 P532 - Longest path in a tree SPOJ
533 P533 - The Benefactor SPOJ
534 P534 - Prime Path SPOJ
535 P535 - A Bug’s Life SPOJ
536 P536 - Ones and zeros SPOJ
537 P537 - Tobo or not Tobo SPOJ
538 P538 - Two Buttons Codeforces Codeforces Round #295 (Div. 2)
539 P539 - Topological Sorting SPOJ
540 P540 - Pick up sticks UVA
541 P541 - Bicoloring UVA
542 P542 - Ubiquitous Religions UVA
543 P543 - Friends UVA
544 P544 - Money Matters UVA
545 P545 - DZY Loves Chemistry Codeforces Codeforces Round #254 (Div. 2)
546 P546 - Following Orders UVA
547 P547 - FOODIE SPOJ
548 P548 - Wachovia Bank SPOJ
549 P549 - Princess Farida SPOJ
550 P550 - Boxes UVA
551 P551 - XYZZY UVA
552 P552 - Page Hopping UVA
553 P553 - Cheapest way UVA
554 P554 - Number Maze UVA
555 P555 - Exchange Rates UVA
556 P556 - Highways SPOJ
557 P557 - A Node Too Far UVA
558 P558 - Wormholes UVA
559 P559 - Bus Problem Live Archive 2014 Asia - Taichung
560 P560 - Island Hopping Live Archive 2002 World Finals - Honolulu
561 P561 - Bytelandian Blingors Network SPOJ
562 P562 - Minimum Spanning Tree SPOJ
563 P563 - Play on Words SPOJ
564 P564 - John's trip UVA
565 P565 - Catenyms UVA
566 P566 - Domino piling Codeforces Codeforces Beta Round #47
567 P567 - Tram Codeforces Codeforces Beta Round #87 (Div. 2 Only)
568 P568 - Fox And Snake Codeforces Codeforces Round #290 (Div. 2)
569 P569 - Olesya and Rodion Codeforces Codeforces Round #324 (Div. 2)
570 P570 - Vasya the Hipster Codeforces Codeforces Round #322 (Div. 2)
571 P571 - Dreamoon and Stairs Codeforces Codeforces Round #272 (Div. 2)
572 P572 - MUH and Sticks Codeforces Codeforces Round #269 (Div. 2)
573 P573 - Playing with Paper Codeforces Codeforces Round #296 (Div. 2)
574 P574 - Little Pony and Crystal Mine Codeforces Codeforces Round #259 (Div. 2)
575 P575 - Professor GukiZ's Robot Codeforces Educational Codeforces Round 6
576 P576 - George and Sleep Codeforces Codeforces Round #227 (Div. 2)
577 P577 - Equidistant String Codeforces Codeforces Round #303 (Div. 2)
578 P578 - Inbox (100500) Codeforces Codeforces Round #265 (Div. 2)
579 P579 - Case of Matryoshkas Codeforces Codeforces Round #310 (Div. 1) & Codeforces Round #310 (Div. 2)
580 P580 - Eevee Codeforces MemSQL Start[c]UP 2.0 - Round 1
581 P581 - Mashmokh and Lights Codeforces Codeforces Round #240 (Div. 2)
582 P582 - OR in Matrix Codeforces Codeforces Round #277 (Div. 2)
583 P583 - Slightly Decreasing Permutations Codeforces Codeforces Round #175 (Div. 2)
584 P584 - 2Char Codeforces Codeforces Round #329 (Div. 2)
585 P585 - Elections Codeforces Codeforces Round #316 (Div. 2)
586 P586 - A and B and Compilation Errors Codeforces Codeforces Round #294 (Div. 2)
587 P587 - Mike and Fun Codeforces Codeforces Round #305 (Div. 2)
588 P588 - Tavas and Nafas Codeforces Codeforces Round #299 (Div. 2)
589 P589 - Comparing Strings Codeforces Codeforces Round #118 (Div. 2)
590 P590 - Strings of Power Codeforces Codeforces Round #188 (Div. 2)
591 P591 - ZgukistringZ Codeforces Codeforces Round #307 (Div. 2)
592 P592 - Football Codeforces Codeforces Beta Round #42 (Div. 2)
593 P593 - DNA Alignment Codeforces Codeforces Round #295 (Div. 2) & Codeforces Round #295 (Div. 1)
594 P594 - Palindromic Times Codeforces Codeforces Beta Round #83 (Div. 2 Only)
595 P595 - Lecture Codeforces Codeforces Round #284 (Div. 2)
596 P596 - Tanya and Postcard Codeforces Codeforces Round #293 (Div. 2)
597 P597 - Internet Address Codeforces CROC-MBTU 2012, Elimination Round (ACM-ICPC)
598 P598 - Queries on a String Codeforces Educational Codeforces Round 1
599 P599 - Quasi Binary Codeforces Codeforces Round #300
600 P600 - Phone numbers Codeforces Codeforces Beta Round #25 (Div. 2 Only)
601 P601 - Set of Strings Codeforces Codeforces Round #302 (Div. 2)
602 P602 - The Text Splitting Codeforces Educational Codeforces Round 4
603 P603 - Laurenty and Shop Codeforces Codeforces Round #325 (Div. 2)
604 P604 - Watchmen Codeforces Codeforces Round #345 (Div. 1) & Codeforces Round #345 (Div. 2)
605 P605 - Amr and The Large Array Codeforces Codeforces Round #312 (Div. 2)
606 P606 - Equivalent Strings Codeforces Codeforces Round #313 (Div. 1) & Codeforces Round #313 (Div. 2)
607 P607 - Watermelon Codeforces Codeforces Beta Round #4 (Div. 2 Only)