ID Problem Show tags Hide tags AC / Tried Difficulty
6953 CF714A   Meeting of Old Friends 0 / 0 (None)
6929 CF719A   Vitya in the Countryside 0 / 0 (None)
6919 CF721B   Passwords 0 / 0 (None)
6907 CF723B   Text Document Analysis 0 / 0 (None)
6859 CF731B   Coupons and Discounts 0 / 0 (None)
6844 CF733B   Parade 0 / 0 (None)
6831 CF735B   Urbanization 0 / 0 (None)
6754 CF754B   Ilya and tic-tac-toe game 0 / 0 (None)
6749 CF755B   PolandBall and Game 0 / 0 (None)
6726 CF758B   Blown Garland 0 / 0 (None)
6696 CF765B   Code obfuscation 0 / 0 (None)
6684 CF767A   Snacktower 0 / 0 (None)
6608 CF779B   Weird Rounding 0 / 0 (None)
6588 CF785B   Anton and Classes 0 / 0 (None)
6571 CF789A   Anastasia and pebbles 0 / 0 (None)
6567 CF792A   New Bus Route 0 / 0 (None)
6539 CF797A   k-Factorization 0 / 0 (None)
6527 CF799A   Carrot Cakes 0 / 0 (None)
6518 CF801A   Vicious Keyboard 0 / 0 (None)
6454 CF813A   The Contest 0 / 0 (None)
6399 CF825A   Binary Protocol 0 / 0 (None)
6362 CF834B   The Festive Evening 0 / 0 (None)
6360 CF835B   The number on the board 0 / 0 (None)
6328 CF841B   Godsend 0 / 0 (None)
6326 CF842B   Gleb And Pizza 0 / 0 (None)
6314 CF845A   Chess Tourney 0 / 0 (None)
6236 CF858A   k-rounding 0 / 0 (None)
6182 CF869A   The Artful Expedient 0 / 0 (None)
6181 CF869B   The Eternal Immortality 0 / 0 (None)
6153 CF877A   Alex and broken contest 0 / 0 (None)
6126 CF883M   Quadcopter Competition 0 / 0 (None)
6123 CF884B   Japanese Crosswords Strike Back 0 / 0 (None)
6061 CF898B   Proper Nutrition 0 / 0 (None)
6038 CF902A   Visiting a Friend 0 / 0 (None)
6001 CF911A   Nearest Minimums 0 / 0 (None)
5948 CF919B   Perfect Number 0 / 0 (None)
5836 CF938B   Run For Your Prize 0 / 0 (None)
5815 CF946B   Weird Subtraction Process 0 / 0 (None)
5799 CF950B   Intercepted Message 0 / 0 (None)
5781 CF955A   Feed the cat 0 / 0 (None)
5710 CF967A   Mind the Gap 0 / 0 (None)
5707 CF975B   Mancala 0 / 0 (None)
5648 CF984B   Minesweeper 0 / 0 (None)
5647 CF985A   Chess Placing 0 / 0 (None)
5630 CF987B   High School: Become Human 0 / 0 (None)
5627 CF988B   Substrings Sort 0 / 0 (None)
5556 CF1001A   Generate plus state or minus state 0 / 0 (None)
5466 CF1015C   Songs Compression 0 / 0 (None)
5396 CF1030B   Vasya and Cornfield 0 / 0 (None)
5374 CF1033B   Square Difference 0 / 0 (None)
5344 CF1038B   Non-Coprime Partition 0 / 0 (None)
5325 CF1042A   Benches 0 / 0 (None)
5242 CF1060B   Maximum Sum of Digits 0 / 0 (None)
5205 CF1066A   Vova and Train 0 / 0 (None)
5177 CF1070K   Video Posts 0 / 0 (None)
5112 CF1085B   Div Times Mod 0 / 0 (None)
5014 CF1099B   Squares and Segments 0 / 0 (None)
4982 CF1105A   Salem and Sticks 0 / 0 (None)
4981 CF1105B   Zuhair and Strings 0 / 0 (None)
4960 CF1108B   Divisors of Two Integers 0 / 0 (None)
4923 CF1115G1   AND oracle 0 / 0 (None)
4903 CF1117A   Best Subsegment 0 / 0 (None)
4886 CF1119A   Ilya and a Colorful Walk 0 / 0 (None)
4871 CF1121A   Technogoblet of Fire 0 / 0 (None)
4849 CF1132A   Regular Bracket Sequence 0 / 0 (None)
4771 CF1146B   Hate "A" 0 / 0 (None)
4695 CF1157A   Reachable Numbers 0 / 0 (None)
4665 CF1165A   Remainder 0 / 0 (None)
4656 CF1166B   All the Vowels Please 0 / 0 (None)
4616 CF1173B   Nauuo and Chess 0 / 0 (None)
4599 CF1176B   Merge it! 0 / 0 (None)
4505 CF1189B   Number Circle 0 / 0 (None)
4436 CF1202A   You Are Given Two Binary Strings... 0 / 0 (None)
4356 CF1213B   Bad Prices 0 / 0 (None)
4348 CF1214B   Badges 0 / 0 (None)
4297 CF1221B   Knights 0 / 0 (None)
4274 CF1227A   Math Problem 0 / 0 (None)
4255 CF1231C   Increasing Matrix 0 / 0 (None)
4125 CF1255B   Fridge Lockers 0 / 0 (None)
4100 CF1263A   Sweet Problem 0 / 0 (None)
3959 CF1288A   Deadline 0 / 0 (None)
3958 CF1288B   Yet Another Meme Problem 0 / 0 (None)
3936 CF1293A   ConneR and the A.R.C 0 / 0 (None)
3868 CF1304B   Longest Palindrome 0 / 0 (None)
3788 CF1324B   Yet Another Palindrome Problem 0 / 0 (None)
3787 CF1324C   Frog Jumps 0 / 0 (None)
3766 CF1327A   Sum of Odd Integers 0 / 0 (None)
3734 CF1332A   Exercising Walk 0 / 0 (None)
3726 CF1333B   Kind Anton 0 / 0 (None)
3719 CF1334B   Middle Class 0 / 0 (None)
3710 CF1335C   Two Teams Composing 0 / 0 (None)
3677 CF1342B   Binary Period 0 / 0 (None)
3657 CF1345B   Card Constructions 0 / 0 (None)
3549 CF1360C   Similar Pairs 0 / 0 (None)
3519 CF1365A   Matrix Game 0 / 0 (None)
3511 CF1366A   Shovels and Swords 0 / 0 (None)
3478 CF1370B   GCD Compression 0 / 0 (None)
3442 CF1375A   Sign Flipping 0 / 0 (None)
3408 CF1382B   Sequential Nim 0 / 0 (None)
3340 CF1395B   Boboniu Plays Chess 0 / 0 (None)

Categories

Lucky

Pick a problem randomly based on the current filter.