ID Problem Show tags Hide tags AC / Tried Difficulty
8966 codeforces#P62E  World Evil 0 / 0 10
8780 codeforces#P78E  Evacuation 0 / 0 8
8677 codeforces#P103E  Buying Sets 0 / 0 10
8582 codeforces#P126E  Pills 0 / 0 10
8552 codeforces#P132E  Bits of merry old England 0 / 0 10
8417 codeforces#P164C  Machine Programming 0 / 0 9
8166 codeforces#P212A  Privatization 0 / 0 10
8116 codeforces#P223E  Planar Graph 0 / 0 10
8058 codeforces#P237E  Build String 0 / 0 7
7929 codeforces#P269C  Flawed Flow 0 / 0 7
7896 codeforces#P277E  Binary Tree on Plane 0 / 0 9
7885 codeforces#P280D  k-Maximum Subsequence Sum 0 / 0 10
7771 codeforces#P311E  Biologist 0 / 0 8
7752 codeforces#P316C1  Tidying Up 0 / 0 8
7751 codeforces#P316C2  Tidying Up 0 / 0 8
7723 codeforces#P321B  Ciel and Duel 0 / 0 6
7632 codeforces#P343E  Pumping Stations 0 / 0 10
7556 codeforces#P362E  Petya and Pipes 0 / 0 8
7268 codeforces#P434D  Nanami's Power Plant 0 / 0 10
7172 codeforces#P457E  Flow Optimality 0 / 0 10
7033 codeforces#P491C  Deciphering 0 / 0 8
7006 codeforces#P498C  Array and Operations 0 / 0 7
6960 codeforces#P510E  Fox And Dinner 0 / 0 8
6949 codeforces#P513F1  Scaygerboss 0 / 0 10
6948 codeforces#P513F2  Scaygerboss 0 / 0 10
6819 codeforces#P546E  Soldier and Traveling 0 / 0 7
6451 codeforces#P611H  New Year and Forgotten Tree 0 / 0 10
6367 codeforces#P628F  Bear and Fair Set 0 / 0 9
6268 codeforces#P653D  Delivery Bears 0 / 0 8
6070 codeforces#P704D  Captain America 0 / 0 10
6053 codeforces#P708D  Incorrect Flow 0 / 0 10
6013 codeforces#P717G  Underfail 0 / 0 9
6003 codeforces#P720B  Cactusophobia 0 / 0 9
5983 codeforces#P723E  One-Way Reform 0 / 0 8
5977 codeforces#P724E  Goods transportation 0 / 0 10
5964 codeforces#P727D  T-shirts Distribution 0 / 0 6
5947 codeforces#P730I  Olympiad in Programming and Sports 0 / 0 7
5913 codeforces#P736E  Chess Championship 0 / 0 10
5906 codeforces#P739E  Gosha is hunting 0 / 0 10
5691 codeforces#P786E  ALT 0 / 0 10
5668 codeforces#P793G  Oleg and chess 0 / 0 10
5632 codeforces#P802C  Heidi and Library (hard) 0 / 0 10
5621 codeforces#P802N  April Fools' Problem (medium) 0 / 0 9
5620 codeforces#P802O  April Fools' Problem (hard) 0 / 0 10
5597 codeforces#P808F  Card Game 0 / 0 9
5575 codeforces#P813D  Two Melodies 0 / 0 10
5548 codeforces#P818G  Four Melodies 0 / 0 10
5454 codeforces#P843E  Maximum Flow 0 / 0 10
5429 codeforces#P847J  Students Initiation 0 / 0 9
5422 codeforces#P848D  Shake It! 0 / 0 10
5407 codeforces#P852D  Exploration plan 0 / 0 7
5356 codeforces#P863F  Almost Permutation 0 / 0 8
5289 codeforces#P877F  Ann and Books 0 / 0 8
5263 codeforces#P884F  Anti-Palindromize 0 / 0 9
5202 codeforces#P899E  Segments Removal 0 / 0 7
5182 codeforces#P903G  Yet Another Maxflow Problem 0 / 0 10
5032 codeforces#P925F  Parametric Circulation 0 / 0 10
4870 codeforces#P965D  Single-use Stones 0 / 0 6
4856 codeforces#P976F  Minimal k-covering 0 / 0 9
4667 codeforces#P1009G  Allowed Letters 0 / 0 9
4640 codeforces#P1016D  Vasya And The Matrix 0 / 0 6
4615 codeforces#P1023G  Pisces 0 / 0 10
4558 codeforces#P1034B  Little C Loves 3 II 0 / 0 8
4501 codeforces#P1045A  Last chance 0 / 0 9
4473 codeforces#P1054F  Electric Scheme 0 / 0 10
4435 codeforces#P1061E  Politics 0 / 0 10
4390 codeforces#P1070I  Privatization of Roads in Berland 0 / 0 9
4340 codeforces#P1082G  Petya and Graph 0 / 0 9
4195 codeforces#P1107F  Vasya and Endless Credits 0 / 0 10
4124 codeforces#P1119B  Alyona and a Narrow Fridge 0 / 0 4
4061 codeforces#P1139E  Maximize Mex 0 / 0 9
4016 codeforces#P1146G  Zoning Restrictions 0 / 0 10
3853 codeforces#P1178H  Stock Exchange 0 / 0 10
3821 codeforces#P1184B2  The Doctor Meets Vader (Medium) 0 / 0 8
3820 codeforces#P1184B3  The Doctor Meets Vader (Hard) 0 / 0 10
3791 codeforces#P1187G  Gang Up 0 / 0 9
3736 codeforces#P1198E  Rectangle Painting 2 0 / 0 9
3639 codeforces#P1214D  Treasure Island 0 / 0 6
3476 codeforces#P1250K  Projectors 0 / 0 10
3454 codeforces#P1252L  Road Construction 0 / 0 8
3413 codeforces#P1263F  Economic Difficulties 0 / 0 9
3407 codeforces#P1264E  Beautiful League 0 / 0 10
3286 codeforces#P1288F  Red-Blue Graph 0 / 0 10
3189 codeforces#P1307G  Cow and Exercise 0 / 0 10
2972 codeforces#P1354F  Summoning Minions 0 / 0 9
2868 codeforces#P1368H1  Breadboard Capacity (easy version) 0 / 0 10
2790 codeforces#P1383F  Special Edges 0 / 0 10
2688 codeforces#P1404E  Bricks 0 / 0 10
2668 codeforces#P1408H  Rainbow Triples 0 / 0 10
2636 codeforces#P1416F  Showing Off 0 / 0 10
2601 codeforces#P1423B  Valuable Paper 0 / 0 6
2574 codeforces#P1426E  Rock, Paper, Scissors 0 / 0 6
2566 codeforces#P1427G  One Billion Shades of Grey 0 / 0 10
2549 codeforces#P1430G  Yet Another DAG Problem 0 / 0 10
2522 codeforces#P1437C  Chef Monocarp 0 / 0 6
2515 codeforces#P1438C  Engineer Artem 0 / 0 7
2437 codeforces#P1455E  Four Points 0 / 0 9
2351 codeforces#P1473F  Strange Set 0 / 0 10
2287 codeforces#P1486E  Paired Payment 0 / 0 8
2270 codeforces#P1488I  Demonic Invasion 0 / 0 10

Categories

Lucky

Pick a problem randomly based on the current filter.