ID Problem Show tags Hide tags AC / Tried Difficulty
1179 codeforces#P1691E  Number of Groups 0 / 0 8
1176 codeforces#P1692B  All Distinct 0 / 0 3
1171 codeforces#P1692G  2^Sort 0 / 0 4
1146 codeforces#P1697B  Promo 0 / 0 3
1137 codeforces#P1698E  PermutationForces II 0 / 0 8
1120 codeforces#P1701D  Permutation Restoration 0 / 0 6
1104 codeforces#P1703F  Yet Another Problem About Pairs Satisfying an Inequality 0 / 0 4
1100 codeforces#P1704C  Virus 0 / 0 4
1093 codeforces#P1705A  Mark the Photographer 0 / 0 3
1090 codeforces#P1705D  Mark and Lightbulbs 0 / 0 6
1080 codeforces#P1707B  Difference Array 0 / 0 6
1079 codeforces#P1707C  DFS Trees 0 / 0 9
1058 codeforces#P1712C  Sort Zero 0 / 0 3
1052 codeforces#P1713B  Optimal Reduction 0 / 0 3
1011 codeforces#P1720B  Interesting Sum 0 / 0 3
1003 codeforces#P1721D  Maximum AND 0 / 0 6
997 codeforces#P1722D  Line 0 / 0 3
992 codeforces#P1725B  Basketball Together 0 / 0 3
988 codeforces#P1725F  Field Photography 0 / 0 7
974 codeforces#P1726G  A Certain Magical Party 0 / 0 10
972 codeforces#P1728A  Colored Balls: Revisited 0 / 0 3
970 codeforces#P1728C  Digital Logarithm 0 / 0 4
962 codeforces#P1729D  Friends and the Restaurant 0 / 0 4
958 codeforces#P1730A  Planets 0 / 0 3
956 codeforces#P1730C  Minimum Notation 0 / 0 4
939 codeforces#P1733A  Consecutive Sum 0 / 0 3
937 codeforces#P1733C  Parity Shuffle Sorting 0 / 0 4
933 codeforces#P1734A  Select Three Sticks 0 / 0 3
921 codeforces#P1736A  Make A Equal to B 0 / 0 3
908 codeforces#P1738A  Glory Addicts 0 / 0 3
907 codeforces#P1738B  Prefix Sum Addicts 0 / 0 4
893 codeforces#P1740B  Jumbo Extra Cheese 2 0 / 0 3
892 codeforces#P1740C  Bricks and Bags 0 / 0 4
888 codeforces#P1740G  Dangerous Laser Power 0 / 0 10
882 codeforces#P1741D  Masha and a Beautiful Tree 0 / 0 4
880 codeforces#P1741F  Multi-Colored Segments 0 / 0 7
877 codeforces#P1742B  Increasing 0 / 0 3
872 codeforces#P1742G  Orray 0 / 0 5
861 codeforces#P1744D  Divisibility by 2^n 0 / 0 4
854 codeforces#P1746D  Paths on the Tree 0 / 0 6
850 codeforces#P1746G  Olympiad Training 0 / 0 10
805 codeforces#P1759E  The Humanoid 0 / 0 5
802 codeforces#P1760A  Medium Number 0 / 0 3
800 codeforces#P1760C  Advantage 0 / 0 3
797 codeforces#P1760F  Quests 0 / 0 5
786 codeforces#P1762B  Make Array Good 0 / 0 3
781 codeforces#P1762G  Unequal Adjacent Elements 0 / 0 10
779 codeforces#P1763B  Incinerate 0 / 0 4
770 codeforces#P1764E  Doremy's Number Line 0 / 0 9
769 codeforces#P1764F  Doremy's Experimental Tree 0 / 0 9
743 codeforces#P1767B  Block Towers 0 / 0 3
736 codeforces#P1768C  Elemental Decompress 0 / 0 4
724 codeforces#P1771A  Hossam and Combinatorics 0 / 0 3
714 codeforces#P1773E  Easy Assembly 0 / 0 4
688 codeforces#P1776C  Library game 0 / 0 9
674 codeforces#P1777C  Quiz Master 0 / 0 5
661 codeforces#P1779D  Boris and His Amazing Haircut 0 / 0 5
660 codeforces#P1779E  Anya's Simultaneous Exhibition 0 / 0 9
652 codeforces#P1780F  Three Chairs 0 / 0 8
649 codeforces#P1781B  Going to the Cinema 0 / 0 3
648 codeforces#P1781C  Equal Frequencies 0 / 0 5
641 codeforces#P1783A  Make it Beautiful 0 / 0 3
639 codeforces#P1783C  Yet Another Tournament 0 / 0 5
626 codeforces#P1786B  Cake Assembly Line 0 / 0 4
601 codeforces#P1790D  Matryoshkas 0 / 0 4
593 codeforces#P1791E  Negatives and Positives 0 / 0 3
591 codeforces#P1791G1  Teleporters (Easy Version) 0 / 0 3
590 codeforces#P1791G2  Teleporters (Hard Version) 0 / 0 6
589 codeforces#P1792A  GamingForces 0 / 0 3
586 codeforces#P1792D  Fixed Prefix Permutations 0 / 0 5
578 codeforces#P1793E  Velepin and Marketing 0 / 0 10
552 codeforces#P1798A  Showstopper 0 / 0 3
540 codeforces#P1799F  Halve or Subtract 0 / 0 10
527 codeforces#P1801B  Buying gifts 0 / 0 6
526 codeforces#P1801C  Music Festival 0 / 0 6
525 codeforces#P1801D  The way home 0 / 0 7
506 codeforces#P1805F1  Survival of the Weakest (easy version) 0 / 0 10
505 codeforces#P1805F2  Survival of the Weakest (hard version) 0 / 0 10
499 codeforces#P1806F1  GCD Master (easy version) 0 / 0 10
498 codeforces#P1806F2  GCD Master (hard version) 0 / 0 10
491 codeforces#P1807G1  Subsequence Addition (Easy Version) 0 / 0 3
490 codeforces#P1807G2  Subsequence Addition (Hard Version) 0 / 0 3
488 codeforces#P1808B  Playing in a Casino 0 / 0 4
473 codeforces#P1810C  Make It Permutation 0 / 0 4
470 codeforces#P1810F  M-tree 0 / 0 10
447 codeforces#P1814C  Search in Parallel 0 / 0 5
426 codeforces#P1819B  The Butcher 0 / 0 6
415 codeforces#P1821E  Rearrange Brackets 0 / 0 7
412 codeforces#P1822B  Karina and Array 0 / 0 3
404 codeforces#P1823B  Sort with Step 0 / 0 3
391 codeforces#P1826A  Trust Nobody 0 / 0 4
387 codeforces#P1826E  Walk the Runway 0 / 0 9
385 codeforces#P1827A  Counting Orders 0 / 0 3
366 codeforces#P1830C  Hyperregular Bracket Strings 0 / 0 9
359 codeforces#P1832B  Maximum Sum 0 / 0 3
352 codeforces#P1833B  Restore the Weather 0 / 0 3
348 codeforces#P1833F  Ira and Flamenco 0 / 0 5
343 codeforces#P1834D  Survey in Class 0 / 0 6
334 codeforces#P1836A  Destroyer 0 / 0 3
319 codeforces#P1839B  Lamps 0 / 0 3

Categories

Lucky

Pick a problem randomly based on the current filter.