Submission #619913

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
619913	2022-08-02 17:13:06	PoonYaPat	Hotspot (NOI17_hotspot)	C++14	100 / 100	1553 ms	338468 KiB

hotspot

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#include <bits/stdc++.h>
using namespace std;
int n,m,k,d[5001][5001],ans_node,x[2001],y[2001];
vector<int> adj[5001];
queue<int> q;
long double ans,cnt[5001][5001];
void bfs(int x) {
    memset(d[x],0x3f,sizeof(d[x]));
    q.push(x);
    d[x][x]=0;
    cnt[x][x]=1;
    while (!q.empty()) {
        int a=q.front();
        q.pop();
        for (auto s : adj[a]) {
            if (d[x][s]>d[x][a]+1) {
                d[x][s]=d[x][a]+1;
                cnt[x][s]+=cnt[x][a];
                q.push(s);
            } else if (d[x][s]==d[x][a]+1) cnt[x][s]+=cnt[x][a];
        }
    }
}
int main() {
 
 
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• Subtask 6: 36 / 36