/*
بسم الله الرحمن الرحيم
Author:
(:Muhammad Aneeq:)
*/
#include <iostream>
#include <vector>
#include <queue>
#include <map>
using namespace std;
map<pair<int,int>,int>d;
int const N=5e4+10;
vector<pair<int,int>>nei[N]={};
int dist[N]={};
bool vis[N]={};
int ans=0;
void dfs(int n,int v,int cost=0)
{
if (n>v)
return ;
if (n==v)
{
ans=min(ans,cost);
return;
}
if (cost>ans)
return;
for (auto [j,w]:nei[n])
dfs(j,v,cost+w);
}
inline void solve()
{
int n,m,k,o;
cin>>k>>n>>m>>o;
while (m--)
{
int a,b,t;
cin>>a>>b>>t;
nei[a].push_back({b,t});
}
vector<pair<int,int>>ord;
while (o--)
{
int x,y;
cin>>x>>y;
ans=1e9+10;
dfs(x,y);
cout<<(ans==1e9+10?-1:ans)<<endl;
}
}
int main()
{
ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3051 ms |
5740 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3025 ms |
3160 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
1636 KB |
Output is correct |
2 |
Correct |
1 ms |
1628 KB |
Output is correct |
3 |
Correct |
1 ms |
1628 KB |
Output is correct |
4 |
Correct |
1 ms |
1628 KB |
Output is correct |
5 |
Correct |
1 ms |
1628 KB |
Output is correct |
6 |
Correct |
1 ms |
1628 KB |
Output is correct |
7 |
Execution timed out |
3080 ms |
1628 KB |
Time limit exceeded |
8 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
1636 KB |
Output is correct |
2 |
Correct |
1 ms |
1628 KB |
Output is correct |
3 |
Correct |
1 ms |
1628 KB |
Output is correct |
4 |
Correct |
1 ms |
1628 KB |
Output is correct |
5 |
Correct |
1 ms |
1628 KB |
Output is correct |
6 |
Correct |
1 ms |
1628 KB |
Output is correct |
7 |
Execution timed out |
3080 ms |
1628 KB |
Time limit exceeded |
8 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3051 ms |
5740 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |