最新随笔

• 1.XXR1T2 题面
• 2.XXR1T2题解
• 3.题解：CF1671E Preorder
• 4.题解：P3590 [POI 2015] TRZ
• 5.题解：P9565 [SDCPC 2023] Not Another Path Query Problem
• 6.题解：CF1994G Minecraft
• 7.题解：P10580 [蓝桥杯 2024 国 A] gcd 与 lcm
• 8.题解：CF501D Misha and Permutations Summation
• 9.题解：UVA11525 Permutation
• 10.题解：UVA10870 Recurrences