Submission #293170

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
293170	2020-09-07 17:22:57	Berted	Hotspot (NOI17_hotspot)	C++14	100 / 100	2043 ms	1992 KiB

hotspot

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#include <iostream>
#include <queue>
#include <vector>
#define pii pair<int,int>
#define ppi pair<int,pii>
#define fst first
#define snd second
#define vi vector<int>
#define pub push_back
using namespace std;
vector<vi> adj;int n,m,k,a,b,cr[5001][2]={},dst[5001]={};bool bt[5001]={};
double lk[5001]={};
queue<ppi> q;
int main()
{
  ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
  cin>>n>>m;
  for (int i=0;i<n;i++) {adj.pub(vi());}
  for (int i=0;i<m;i++) {cin>>a>>b;adj[a].pub(b);adj[b].pub(a);}
  cin>>k;
  for (int i=0;i<k;i++)
  {
    cin>>a>>b;
    for (int j=0;j<n;j++) {dst[j] = -1;bt[j]=0;}
    q.push({a,{0,-1}});
    while (!q.empty())
    {
      ppi dt = q.front();q.pop();
      
      if (dst[dt.fst]==-1)
 
 
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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