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吉吉王国
题目描述:链接:https://ac.nowcoder.com/acm/problem/210473来源:牛客网 吉吉王国有nn个城市,其中11号城市就是吉吉王国的首都,并且吉吉王国有n-1n−1条道路,每条道路都有一个长度dd,你可以从任意一点uu到达任意一点vv。但是最近吉吉***生了***,除...
2020-08-11
0
1244
NC24953-Cell Phone Network
NC24953*题目描述 *Farmer John has decided to give each of his cows a cell phone in hopes to encourage their social interaction. This, however, requires hi...
2020-08-09
0
704
polygon题解-区间DP
#include <iostream> #include <string.h> using namespace std; const int N=55; typedef long long LL; char ope[N<<1]; int dp[N<<1...
2020-07-16
1
566