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::Poll
What type of programming contest do you like more?
Doesn't matter. Any
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[results]
::problemset archive

problemset archive

ID titleaccepted
100 A+B13092
101 Domino1982
102 Coprimes4569
103 Traffic Lights931
104 Little Shop of Flowers2058
105 Div 34267
106 The Equation993
107 987654321 problem2408
108 Self-numbers II1211
109 Magic of David Copperfield II1051
110 Dungeon430
111 Very simple problem1017
112 a^b - b^a2183
113 Nearly prime numbers2331
114 Telecasting station1457
115 Calendar2902
116 Index of super-prime1345
117 Counting1966
118 Digital root1749
119 Magic pairs772
120 Arhipelago750
121 Bridges painting605
122 The book678
123 The sum4054
124 Broken line1032
125 Shtirlits818
126 Boxes1761
127 Telephone directory2150
128 Snake478
129 Inheritance366
130 Circle1604
131 Hardwood floor823
132 Another Chocolate Maniac491
133 Border1299
134 Centroid1075
135 Drawing Lines2722
136 Erasing Edges623
137 Funny Strings610
138 Games of Chess532
139 Help Needed!890
140 Integer Sequences562
141 Jumping Joe386
142 Keyword862
143 Long Live the Queen950
144 Meeting1371
145 Strange People291
146 The Runner977
147 Black-white king182
148 B-Station640
149 Computer Network880
150 Mr. Beetle II377
151 Construct a triangle638
152 Making round1030
153 Playing with matches620
154 Factorial1542
155 Cartesian Tree647
156 Strange Graph299
157 Patience301
158 Commuter Train422
159 Self-Replicating Numbers344
160 Magic Multiplying Machine654
161 Intuitionistic Logic98
162 Pyramids522
163 Wise King1062
164 Airlines318
165 Basketball507
166 Editor163
167 I-country276
168 Matrix1002
169 Numbers1160
170 Particles1110
171 Sarov zones519
172 eXam1096
173 Coins148
174 Walls686
175 Encoding1319
176 Flow construction427
177 Square634
178 Chain730
179 Brackets light971
180 Inversions989
181 X-Sequence1134
182 Open the brackets231
183 Painting the balls602
184 Patties2579
185 Two shortest541
186 The chain808
187 Twist and whirl -- want to cheat431
188 Factory guard771
189 Perl-like Substr171
190 Dominoes643
191 Exhibition453
192 RGB198
193 Chinese Girls' Amusement749
194 Reactor Cooling584
195 New Year Bonus Grant481
196 Matrix Multiplication875
197 Nice Patterns Strike Back504
198 Get Out!247
199 Beautiful People642
200 Cracking RSA388
201 Non Absorbing DFA273
202 The Towers of Hanoi Revisited256
203 Hyperhuffman514
204 Little Jumper94
205 Quantization Problem235
206 Roads256
207 Robbers568
208 Toral Tickets167
209 Areas136
210 Beloved Sons535
211 Strange Counter185
212 Data Transmission167
213 Strong Defence403
214 Weird Dissimilarity307
215 PL/Cool107
216 Royal Federation188
217 Two Cylinders269
218 Unstable Systems492
219 Synchrograph173
220 Little Bishops542
221 Big Bishops450
222 Little Rooks1333
223 Little Kings651
224 Little Queens726
225 Little Knights217
226 Colored graph705
227 The art to the broad masses!97
228 Archipelago431
229 Divide and conquer179
230 Weighings627
231 Prime Sum1125
232 Infinite Fraction223
233 The Greatest Angle87
234 Black-White King Strikes Back190
235 The Queen108
236 Greedy Path243
237 Galaxy X: Episode I - Masters of Mind78
238 Uncle Vasya and Bags for Potatoes378
239 Minesweeper559
240 Runaway260
241 The United Fields of Chessboardia109
242 Student's Morning451
243 Broken Chessboard151
244 Height, Bisector and Median190
245 Black-White Army28
246 Black & White566
247 Difficult Choice180
248 Integer Linear Programming302
249 Matrix633
250 Constructive Plan123
251 Polymania141
252 Railway Communication209
253 Theodore Roosevelt293
254 Strange Random236
255 Winsock 3 Beta317
256 Balloons302
257 Debt134
258 Almost Lucky Numbers133
259 Printed PR857
260 Puzzle310
261 Discrete Roots101
262 Symbol Recognition225
263 Towers142
264 Travel156
265 Wizards67
266 Berlion40
267 Optimist vs. Pessimist247
268 Hyper Almost Permutative String63
269 Rooks513
270 Thimbles170
271 Book Pile487
272 Evacuation plan129
273 Game Po331
274 Spam-filter704
275 To xor or not to xor469
276 Andrew's Troubles1625
277 Heroes69
278 Fuel111
279 Bipermutations82
280 Trade centers209
281 Championship380
282 Isomorphism100
283 Mechanics84
284 Grammar95
285 What? Where? When?157
286 Ancient decoration169
287 Amusing Qc Machine98
288 Best Tournament Schedule237
289 Challenging Tic-Tac-Toe246
290 Defend the Milky Way50
291 Evolution323
292 Field for the Cemetery88
293 Game with Q an C57
294 He's Circles215
295 Identifier Duplicated!228
296 Sasha vs. Kate725
297 Fair-play928
298 King Berl VI98
299 Triangle636
300 Train292
301 Boring. Hot. Summer...223
302 BHTML 1.0910
303 Great Berland Wall51
304 Mars Stomatology407
305 Exhibition200
306 Balance46
307 Cipher96
308 Hyperboloid Distance30
309 Real Fun149
310 Hippopotamus427
311 Ice-cream Tycoon243
312 4-3 King19
313 Circular Railway77
314 Shortest Paths24
315 The Highway Belt22
316 Code Tanks736
317 Fast Ride305
318 Grants541
319 Kalevich Strikes Back150
320 The Influence of the Mafia99
321 The Spy Network348
322 The Great Union220
323 Aviamachinations164
324 The Text Formatting383
325 Palindrome183
326 Perspective231
327 Yet Another Palindrome69
328 A Coloring Game178
329 Black-and-White Triangle75
330 Numbers145
331 Traffic Jam11
332 Largest Circle68
333 Random Shooting11
334 Tiny Puzzle106
335 Thiefs and Cops36
336 Elections63
337 Keven192
338 Casino47
339 Segments241
340 Tex2HTML111
341 Circuits25
342 Reihenfolge144
343 VaR25
344 Weed363
345 Revolution36
346 Snooker298
347 Join the Strings428
348 Twisting the Number153
349 Wolves and Sheep57
350 XOR-omania178
351 A Mission for a Scout11
352 Beerland Attacks65
353 Billing428
354 Just Matrix164
355 Numbers Painting545
356 Extrasensory Perception235
357 Remote Control326
358 Median of Medians576
359 Pointers290
360 B++ Interpreter97
361 National Flag291
362 Robot-Annihilator389
363 Baggage room185
364 Lemmings81
365 Ships of the Desert297
366 Computer Game104
367 Contest155
368 Tests209
369 Game124
370 Rifleman176
371 Subway60
372 Tea Party104
373 Carlsson vs. Winnie-the-Pooh16
374 Save Vasya322
375 Amplifiers356
376 Berland All-Round Competitions102
377 The Lesson of Physical Culture169
378 Save the Fisher15
379 Elevator148
380 Synchronised Alpinism97
381 Bidirected Graph69
382 Cantor Function43
383 Caravans12
384 Country91
385 Highlander55
386 Happy Birthday, Jedi Knight!15
387 Lazy Judges10
388 Soap Opera26
389 Strange Planet79
390 Tickets33
391 Mr. X17
392 Cyclic Troubles21
393 Bergamot Problem69
394 Berhatton66
395 "Binary Cat" Club14
396 Dance it up!101
397 Text Editor294
398 Friends of Friends412
399 Berodoskar Development83
400 The last hour of the contest16
401 Geologist Dubrovsky28
402 Terrorists in Berland69
403 Scientific Problem582
404 Fotrune-telling with camomile518
405 Totalizator382
406 Goggle346
407 Number of Paths in the Empire230
408 Game with Points232
409 Berland Flag204
410 Galaxy in danger113
411 Petya the Hero167
412 Expedition39
413 Berland Division53
414 Orthogonal Circles19
415 Necessary Coins256
416 Optimal Dartboard150
417 Heavy Disc128
418 Deducing Grammar6
419 Hexagonal Walkaround5
420 Number Permutations28
421 k-th Product15
422 Fast Typing67
423 Battle50
424 Beautiful Graph163
425 Control Function29
426 Double Cyclic36
427 Hamiltonian Polyhedron13
428 Rebus87
429 Problem Stacks50
430 Unit-distance Graph12
431 Wildcards25
432 XYZX 200986
433 Japhshan and Ramshut60
434 Chemists56
435 UFO Circles17
436 The Diputs notation21
437 Hexodoku13
438 The Glorious Karlutka River =)50
439 A Secret Book26
440 Moles and Holes14
441 Set Division127
442 X + R(X) = N48
443 Everlasting...?338
444 Headstrong Student260
445 Dig or Climb58
446 Rotation Estimation81
447 Optimal Rest72
448 Controlled Tournament49
449 Dendrograms35
450 Ramen Shop8
451 Cousin's Aunt7
452 Colony Maintenance2
453 Meetings73
454 Kakuro19
455 Sequence analysis195
456 Annuity Payment Scheme294
457 Snow in Berland7
458 The Monochrome Picture168
459 Choreographer Problem53
460 Plural Form of Nouns452
461 Wiki Lists172
462 Electrician128
463 Walking around Berhattan328
464 Optimal bribing4
465 Fire Station Building60
466 Parking at Secret Object12
467 Chessmaster108
468 A bit of classic60
469 Ghostbusters9
470 The Death Cube8
471 Funny Game19
472 Sokoban13
473 Droid formation70
474 All for Love9
475 Be a Smart Raftsman27
476 Coach`s trouble104
477 Doors24
478 Excursion223
479 Funny Feature157
480 Gena`s Soul Cakes30
481 Hero of Our Time28
482 Impudent Thief95
483 Jealous Cucumber181
484 Kola210
485 Arrays11
486 Bulls and Cows287
487 Courier43
488 Dales and Hills164
489 Extremal Permutations59
490 Figure and Spots62
491 Game for Little Johnny49
492 Hotel in Ves Lagos80
493 Illumination of Buildings10
494 Journal8
495 Kids and Prizes109
496 L-Shapes184
497 Abelian Groups90
498 Coins7
499 Greatest Greatest Common Divisor190
500 Circular Island4
501 Octahedron And Dominoes5
502 Digits Permutation192
503 Running City14
504 Square Palindrome40
505 Prefixes and suffixes46
506 Subsequences Of Substrings164
507 Treediff92
508 Black-White Balls95
509 Chameleons All Around8
510 Distinct Substrings61
511 Fermat's Last Theorem38
512 Friendly Points13
513 Maximal Clique26
514 Polygon41
515 Recover Path54
516 Schedule4
517 Cornerless Tiling25
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::News
01.02.10 - We would like to introduce a programming competition portal Codeforces (and russian version).
27.12.09 - The problemset for "Petr Mitrichev Contest 6" is available as PDF.
20.12.09 - The problemset for "Petr Mitrichev Contest 5" is available as PDF.

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