yhb的博客

Groundhog was especially careful after the outbreak,so he put on his mask in the1^{st}1stbedroom early,and then walked on the way to the{n^{th}}nthdormitory to play with Orange.There are{n}ndormitories in ZLZX, which are connected by{n-1}n−1corrid...

输入样例#1：复制5 21 3 11 4 102 3 203 5 20输出样例#1：复制21链式前向星存图 在q范围内计算左右儿子的苹果和#include<bits/stdc++.h>using namespace std;const int maxn = 105;int dp[maxn][maxn];int head[maxn];...

Find a wayTime Limit: 3000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 23878Accepted Submission(s): 7791Pass a year learning in Hangzhou, yifenfei ar...