Homework Introduction

大家写题一定要使用学习到的差分和前缀和的方法来做题

Problem

Problem
P1501   【模板】一维前缀和
P3473   一维前缀和
P3247   二维前缀和
L1145145   Number of Ways
P2548   差分
P2546   差分矩阵
Status
Done
Problem
6
Open Since
2022-12-14 0:00
Deadline
2022-12-18 23:59
Extension
24 hour(s)
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