ID 题目 显示标签 隐藏标签 AC / 尝试 难度
321 P1909I   Short Permutation Problem 0 / 0 6
312 P1910I   Inverse Problem 0 / 0 10
309 P1912B   Blueprint for Seating 0 / 0 7
300 P1912K   Kim's Quest 0 / 0 6
285 P1914G1   Light Bulbs (Easy Version) 0 / 0 7
284 P1914G2   Light Bulbs (Hard Version) 0 / 0 8
269 P1916H1   Matrix Rank (Easy Version) 0 / 0 10
268 P1916H2   Matrix Rank (Hard Version) 0 / 0 10
266 P1917B   Erase First or Second Letter 0 / 0 3
264 P1917D   Yet Another Inversions Problem 0 / 0 8
250 P1919E   Counting Prefixes 0 / 0 10
241 P1920E   Counting Binary Strings 0 / 0 7
230 P1922B   Forming Triangles 0 / 0 4
216 P1924D   Balanced Subsequences 0 / 0 10
215 P1924E   Paper Cutting Again 0 / 0 10
211 P1925D   Good Trip 0 / 0 6
191 P1928F   Digital Patterns 0 / 0 10
187 P1929D   Sasha and a Walk in the City 0 / 0 6
185 P1929F   Sasha and the Wedding Binary Search Tree 0 / 0 8
179 P1930E   2..3...4... 0 / 0 9
175 P1930I   Counting Is Fun 0 / 0 10
171 P1931D   Divisible Pairs 0 / 0 4
169 P1931F   Chat Screenshots 0 / 0 5
168 P1931G   One-Dimensional Puzzle 0 / 0 7
154 P1933G   Turtle Magic: Royal Turtle Shell Pattern 0 / 0 8
144 P1935D   Exam in MAC 0 / 0 6
100 P1942E   Farm Game 0 / 0 8
98 P1942G   Bessie and Cards 0 / 0 10
93 P1943D1   Counting Is Fun (Easy Version) 0 / 0 9
92 P1943D2   Counting Is Fun (Hard Version) 0 / 0 10
74 P1946E   Girl Permutation 0 / 0 8
67 P1948F   Rare Coins 0 / 0 9
41 P1951G   Clacking Balls 0 / 0 10
34 P1952E   Sweep Line 0 / 0 (无)
25 P1954D   Colored Balls 0 / 0 6
23 P1954F   Unique Strings 0 / 0 10
5 P1957C   How Does the Rook Move? 0 / 0 (无)
3 P1957E   Carousel of Combinations 0 / 0 (无)
9501 P1974C   Beautiful Triple Pairs 0 / 0 4
9491 P1975F   Set 0 / 0 10
9484 P1976D   Invertible Bracket Sequences 0 / 0 7
9483 P1976E   Splittable Permutations 0 / 0 9
9468 P1979C   Earning on Bets 0 / 0 4
9446 P1982E   Number of k-good subarrays 0 / 0 (无)
9441 P1984C2   Magnitude (Hard Version) 0 / 0 5
9436 P1984H   Tower Capturing 0 / 0 10
9431 P1985E   Secret Box 0 / 0 4
9429 P1985G   D-Function 0 / 0 5
9420 P1986G1   Permutation Problem (Simple Version) 0 / 0 (无)

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