Submission #587479

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
587479	2022-07-02 00:41:18	NekoRolly	Hotspot (NOI17_hotspot)	C++17	100 / 100	514 ms	62156 KiB

hotspot

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#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 5e3+4;
const int inf = 1e9;
int n,m,k;
int dis[N][N],dp[N][N];
vector<int> adj[N];
bool vis[N];
double val[N];
void bfs(int rt,int dis[],int dp[]){ queue<int> d;
  if (vis[rt]) return;
  for (int i=0; i<n; i++) dis[i] = inf;
  dis[rt] = 0, dp[rt] = 1;
  for (d.push(rt); d.size(); d.pop()){ int u = d.front();
    for (int v : adj[u]){
      if (dis[v] == inf){
        dis[v] = dis[u] + 1; d.push(v);
      }
      if (dis[v] == dis[u] + 1) dp[v] += dp[u];
    }
  }
  vis[rt] = 1;
}
int main(){
  ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(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