ID Problem Show tags Hide tags AC / Tried Difficulty
7779 CF1777D   Score of a Tree 0 / 0 (None)
7712 CF1778D   Flexible String Revisit 0 / 0 (None)
7546 CF1780F   Three Chairs 0 / 0 (None)
7468 CF1781F   Bracket Insertion 0 / 0 (None)
7313 CF1784D   Wooden Spoon 0 / 0 (None)
7302 CF1784E   Infinite Game 0 / 0 (None)
7213 CF1787D   Game on Axis 0 / 0 (None)
7113 CF1788D   Moving Dots 0 / 0 (None)
7057 CF1789C   Serval and Toxel's Arrays 0 / 0 (None)
6790 CF1792F1   Graph Coloring (easy version) 0 / 0 (None)
6779 CF1792F2   Graph Coloring (hard version) 0 / 0 (None)
6668 CF1794D   Counting Factorizations 0 / 0 (None)
6612 CF1795D   Triangle Coloring 0 / 0 (None)
6290 CF1799G   Count Voting 0 / 0 (None)
5869 CF1806D   DSU Master 0 / 0 (None)
5690 CF1808E1   Minibuses on Venus (easy version) 0 / 0 (None)
5679 CF1808E2   Minibuses on Venus (medium version) 0 / 0 (None)
5668 CF1808E3   Minibuses on Venus (hard version) 0 / 0 (None)
5590 CF1809G   Prediction 0 / 0 (None)
5501 CF1810H   Last Number 0 / 0 (None)
5424 CF1811G1   Vlad and the Nice Paths (easy version) 0 / 0 (None)
5413 CF1811G2   Vlad and the Nice Paths (hard version) 0 / 0 (None)
5191 CF1815D   XOR Counting 0 / 0 (None)
5113 CF1817C   Similar Polynomials 0 / 0 (None)
4957 CF1821A   Matching 0 / 0 (None)
4902 CF1821F   Timber 0 / 0 (None)
4802 CF1823A   A-characteristic 0 / 0 (None)
4723 CF1824B1   LuoTianyi and the Floating Islands (Easy Version) 0 / 0 (None)
4712 CF1824B2   LuoTianyi and the Floating Islands (Hard Version) 0 / 0 (None)
4579 CF1827A   Counting Orders 0 / 0 (None)
4401 CF1829H   Don't Blame Me 0 / 0 (None)
4368 CF1830C   Hyperregular Bracket Strings 0 / 0 (None)
4246 CF1832E   Combinatorics Problem 0 / 0 (None)
4168 CF1833F   Ira and Flamenco 0 / 0 (None)
4035 CF1835E   Old Mobile 0 / 0 (None)
3946 CF1837E   Playoff Fixing 0 / 0 (None)
3880 CF1838E   Count Supersequences 0 / 0 (None)
3791 CF1840B   Binary Cafe 0 / 0 (None)
3780 CF1840C   Ski Resort 0 / 0 (None)
3579 CF1842G   Tenzing and Random Operations 0 / 0 (None)
3524 CF1843C   Sum in Binary Tree 0 / 0 (None)
3512 CF1843D   Apple Tree 0 / 0 (None)
3379 CF1844H   Multiple of Three Cycles 0 / 0 (None)
3168 CF1847E   Triangle Platinum? 0 / 0 (None)
3091 CF1848F   Vika and Wiki 0 / 0 (None)
2946 CF1850G   The Morning Star 0 / 0 (None)
2724 CF1854C   Expected Destruction 0 / 0 (None)
2669 CF1855B   Longest Divisors Interval 0 / 0 (None)
2525 CF1857G   Counting Graphs 0 / 0 (None)
2268 CF1861E   Non-Intersecting Subpermutations 0 / 0 (None)
2213 CF1862D   Ice Cream Balls 0 / 0 (None)
2102 CF1863G   Swaps 0 / 0 (None)
2002 CF1864G   Magic Square 0 / 0 (None)
1957 CF1866B   Battling with Numbers 0 / 0 (None)
1891 CF1866H   Happy Sets 0 / 0 (None)
1835 CF1866M   Mighty Rock Tower 0 / 0 (None)
1713 CF1868C   Travel Plan 0 / 0 (None)
9967 CF1876B   Effects of Anti Pimples 0 / 0 (None)
9745 CF1876D   Lexichromatography 0 / 0 (None)
8079 CF1879C   Make it Alternating 0 / 0 (None)
7967 CF1879D   Sum of XOR Functions 0 / 0 (None)
4412 CF1886D   Monocarp and the Set 0 / 0 (None)
1413 CF1893E   Cacti Symphony 0 / 0 (None)
2523 CF1895F   Fancy Arrays 0 / 0 (None)
10344 CF1906H   Twin Friends 0 / 0 (None)
10342 CF1906J   Count BFS Graph 0 / 0 (None)

Categories

Lucky

Pick a problem randomly based on the current filter.