This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
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#include <bits/stdc++.h>
using namespace std;
#define endl "\n"
int dis[5001][5001][2];
vector <int> v[5001];
int n,m,k;
void bfs(int x){
for(int i=1;i<=n;i++) dis[x][i][0]=dis[x][i][1]=1e9+1;
dis[x][x][0]=0;
queue <pair<int,int>> qu;
qu.push({0,x});
while(qu.size()!=0){
auto[mydis,i]=qu.front();
qu.pop();
if(mydis>dis[x][i][mydis%2]) continue;
for(int j:v[i]){
int w=mydis+1;
if(dis[x][j][w%2]>w){
dis[x][j][w%2]=w;
qu.push({w,j});
}
}
}
return;
}
signed main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
cin>>n>>m>>k;
for(int i=0;i<m;i++){
int a,b;
cin>>a>>b;
v[a].push_back(b);
v[b].push_back(a);
}
//bfs();
for(int i=1;i<=n;i++) bfs(i);
while(k--){
int a,b,d;
cin>>a>>b>>d;
if((a!=b||d==0)&&dis[a][b][d%2]<=d&&dis[a][b][d%2]!=1e9+1) cout<<"TAK"<<endl;
else cout<<"NIE"<<endl;
}
return 0;
}
Compilation message (stderr)
mor.cpp: In function 'void bfs(int)':
mor.cpp:22:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
22 | auto[mydis,i]=qu.front();
| ^
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