Submission #402596

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
402596	2021-05-12 02:54:22	penguinhacker	Hotspot (NOI17_hotspot)	C++14	100 / 100	867 ms	1196 KiB

hotspot

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ar array
const int mxN=5000, INF=1e9;
int n, m, k;
double dp[mxN];
ar<int, 2> d1[mxN], d2[mxN];
vector<int> adj[mxN];
void bfs(int s, ar<int, 2>* d) {
  memset(d, -1, 8*n);
  d[s]={0, 1};
  for (queue<int> q({s}); q.size(); q.pop()) {
    int u=q.front();
    for (int v : adj[u]) {
      if (d[v][0]==-1) {
        d[v]={d[u][0]+1, d[u][1]};
        q.push(v);
      } else if (d[u][0]+1==d[v][0]) {
        d[v][1]+=d[u][1];
      }
    }
  }
}
int main() {
  ios::sync_with_stdio(0);
 
 
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• Subtask 1: 4 / 4
• Subtask 2: 5 / 5
• Subtask 3: 11 / 11
• Subtask 4: 18 / 18
• Subtask 5: 26 / 26
• Subtask 6: 36 / 36