DP题单

DP题单

Problem - 1913D - Codeforces

Problem - 1675G - Codeforces

Skills - QOJ 5146 - Virtual Judge (vjudge.net)

Problem - 1442D - Codeforces

NOIP2021] 方差 - 洛谷 | 计算机科学教育新生态 (luogu.com.cn)

高维前/后缀和

高维前缀和学习笔记 / CF449D Jzzhu and Numbers 题解 - Azazеl - 博客园 (cnblogs.com)

Time Limit Exceeded - SPOJ TLE - Virtual Judge (vjudge.net)

Problem - 383E - Codeforces

Problem - 449D - Codeforces