561 道题

ID 题目 显示标签 隐藏标签 AC / 尝试 难度
8499 P1916H2   Matrix Rank (Hard Version) 0 / 0 10
8497 P1917B   Erase First or Second Letter 0 / 0 3
8495 P1917D   Yet Another Inversions Problem 0 / 0 8
8481 P1919E   Counting Prefixes 0 / 0 10
8472 P1920E   Counting Binary Strings 0 / 0 7
8461 P1922B   Forming Triangles 0 / 0 4
8453 P1924D   Balanced Subsequences 0 / 0 10
8452 P1924E   Paper Cutting Again 0 / 0 10
8448 P1925D   Good Trip 0 / 0 6
8435 P1928F   Digital Patterns 0 / 0 10
8431 P1929D   Sasha and a Walk in the City 0 / 0 6
8429 P1929F   Sasha and the Wedding Binary Search Tree 0 / 0 8
8425 P1931D   Divisible Pairs 0 / 0 4
8423 P1931F   Chat Screenshots 0 / 0 5
8422 P1931G   One-Dimensional Puzzle 0 / 0 7
8614 P1958F   Narrow Paths 0 / 0 7
8598 P1967C   Fenwick Tree 0 / 0 8
8596 P1967E1   Again Counting Arrays (Easy Version) 0 / 0 10
8595 P1967E2   Again Counting Arrays (Hard Version) 0 / 0 10
8540 P1974C   Beautiful Triple Pairs 0 / 0 4

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