ID Problem Show tags Hide tags AC / Tried Difficulty
7338 codeforces#P414E  Mashmokh's Designed Problem 0 / 0 10
7171 codeforces#P457F  An easy problem about trees 0 / 0 10
7069 codeforces#P482E  ELCA 0 / 0 10
7050 codeforces#P487E  Tourists 0 / 0 10
7018 codeforces#P494E  Sharti 0 / 0 10
6995 codeforces#P500G  New Year Running 0 / 0 10
6847 codeforces#P538H  Summer Dichotomy 0 / 0 10
6831 codeforces#P543E  Listening to Music 0 / 0 10
6784 codeforces#P553E  Kyoya and Train 0 / 0 10
6753 codeforces#P566E  Restoring Map 0 / 0 10
6728 codeforces#P571E  Geometric Progressions 0 / 0 10
6721 codeforces#P573E  Bear and Bowling 0 / 0 10
6588 codeforces#P578F  Mirror Box 0 / 0 10
6557 codeforces#P585F  Digits of Number Pi 0 / 0 10
6542 codeforces#P590E  Birthday 0 / 0 10
6451 codeforces#P611H  New Year and Forgotten Tree 0 / 0 10
6440 codeforces#P613E  Puzzle Lover 0 / 0 10
6295 codeforces#P643G  Choosing Ads 0 / 0 10
6285 codeforces#P645G  Armistice Area Apportionment 0 / 0 10
6280 codeforces#P650E  Clockwork Bomb 0 / 0 10
6115 codeforces#P690F3  Tree of Life (hard) 0 / 0 10
5945 codeforces#P730K  Roads Orientation Problem 0 / 0 10
5944 codeforces#P730L  Expression Queries 0 / 0 10
5888 codeforces#P744D  Hongcow Draws a Circle 0 / 0 10
5887 codeforces#P744E  Hongcow Masters the Cyclic Shift 0 / 0 10
5854 codeforces#P750G  New Year and Binary Tree Paths 0 / 0 10
5838 codeforces#P755G  PolandBall and Many Other Balls 0 / 0 10
5833 codeforces#P756E  Byteland coins 0 / 0 10
5791 codeforces#P765G  Math, math everywhere 0 / 0 10
5755 codeforces#P772E  Verifying Kingdom 0 / 0 10
5691 codeforces#P786E  ALT 0 / 0 10
5517 codeforces#P827F  Dirty Arkady's Kitchen 0 / 0 10
5466 codeforces#P840E  In a Trap 0 / 0 10
5355 codeforces#P863G  Graphic Settings 0 / 0 10
5118 codeforces#P913G  Power Substring 0 / 0 10
5044 codeforces#P923F  Public Service 0 / 0 10
5038 codeforces#P924F  Minimal Subset Difference 0 / 0 10
4997 codeforces#P933E  A Preponderant Reunion 0 / 0 10
4760 codeforces#P993F  The Moral Dilemma 0 / 0 10
4677 codeforces#P1007D  Ants 0 / 0 10
4630 codeforces#P1017G  The Tree 0 / 0 10
4624 codeforces#P1019E  Raining season 0 / 0 10
4608 codeforces#P1025G  Company Acquisitions 0 / 0 10
4555 codeforces#P1034E  Little C Loves 3 III 0 / 0 10
4541 codeforces#P1037G  A Game on Strings 0 / 0 10
4540 codeforces#P1037H  Security 0 / 0 10
4497 codeforces#P1045E  Ancient civilizations 0 / 0 10
4456 codeforces#P1056H  Detect Robots 0 / 0 10
4348 codeforces#P1081G  Mergesort Strikes Back 0 / 0 10
4307 codeforces#P1089J  JS Minification 0 / 0 10
4284 codeforces#P1091G  New Year and the Factorisation Collaboration 0 / 0 10
4283 codeforces#P1091H  New Year and the Tricolore Recreation 0 / 0 10
4181 codeforces#P1109F  Sasha and Algorithm of Silence's Sounds 0 / 0 10
4118 codeforces#P1119H  Triple 0 / 0 10
4040 codeforces#P1142E  Pink Floyd 0 / 0 10
3996 codeforces#P1149E  Election Promises 0 / 0 10
3848 codeforces#P1179E  Alesya and Discrete Math 0 / 0 10
3817 codeforces#P1184C3  Heidi and the Turing Test (Hard) 0 / 0 10
3669 codeforces#P1209G2  Into Blocks (hard version) 0 / 0 10
3661 codeforces#P1210F2  Marek and Matching (hard version) 0 / 0 10
3636 codeforces#P1214G  Feeling Good 0 / 0 10
3584 codeforces#P1223G  Wooden Raft 0 / 0 10
3516 codeforces#P1242E  Planar Perimeter 0 / 0 10
3387 codeforces#P1267H  Help BerLine 0 / 0 10
3379 codeforces#P1268D  Invertation in Tournament 0 / 0 10
3308 codeforces#P1284F  New Year and Social Network 0 / 0 10
3295 codeforces#P1286E  Fedya the Potter Strikes Back 0 / 0 10
3119 codeforces#P1326F2  Wise Men (Hard Version) 0 / 0 10
3059 codeforces#P1336D  Yui and Mahjong Set 0 / 0 10
3021 codeforces#P1344F  Piet's Palette 0 / 0 10
3000 codeforces#P1349D  Slime and Biscuits 0 / 0 10
2869 codeforces#P1368G  Shifting Dominoes 0 / 0 10
2790 codeforces#P1383F  Special Edges 0 / 0 10
2741 codeforces#P1393E2  Twilight and Ancient Scroll (harder version) 0 / 0 10
2728 codeforces#P1396E  Distance Matching 0 / 0 10
2693 codeforces#P1403C  Chess Rush 0 / 0 10
2667 codeforces#P1408I  Bitwise Magic 0 / 0 10
2637 codeforces#P1416E  Split 0 / 0 10
2567 codeforces#P1427F  Boring Card Game 0 / 0 10
2480 codeforces#P1446F  Line Distance 0 / 0 10
2367 codeforces#P1470E  Strange Permutation 0 / 0 10
2300 codeforces#P1482G  Vabank 0 / 0 10
2231 codeforces#P1495E  Qingshan and Daniel 0 / 0 10
2159 codeforces#P1510H  Hard Optimization 0 / 0 10
2111 codeforces#P1517F  Reunion 0 / 0 10
2103 codeforces#P1519F  Chests and Keys 0 / 0 10
2083 codeforces#P1523G  Try Booking 0 / 0 10
1985 codeforces#P1540D  Inverse Inversions 0 / 0 10
1852 codeforces#P1566H  Xor-quiz 0 / 0 10
1831 codeforces#P1571I  Physical Examination 0 / 0 10
1798 codeforces#P1578D  Dragon Curve 0 / 0 10
1750 codeforces#P1584G  Eligible Segments 0 / 0 10
1712 codeforces#P1598G  The Sum of Good Numbers 0 / 0 10
1708 codeforces#P1599D  Bubble Popping 0 / 0 10
1707 codeforces#P1599E  Two Arrays 0 / 0 10
1686 codeforces#P1603E  A Perfect Problem 0 / 0 10
1657 codeforces#P1608F  MEX counting 0 / 0 10
1561 codeforces#P1621G  Weighted Increasing Subsequences 0 / 0 10
1468 codeforces#P1638F  Two Posters 0 / 0 10
1426 codeforces#P1648E  Air Reform 0 / 0 10

Categories

Lucky

Pick a problem randomly based on the current filter.