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Submission #472224

# Submission time Handle Problem Language Result Execution time Memory
472224 2021-09-13T09:48:44 Z morasha3 Toll (BOI17_toll) C++17
0 / 100
 3000 ms 5648 KB 
#include<bits/stdc++.h>
typedef long long ll;
const ll mod = (ll) 1e9 + 7;
const ll mx = (ll) 1e5 +7;
using namespace std;
vector<vector<pair<ll,ll>>>v(50007);
ll k,n,q,m,ans=0;

void dfs(ll idx,ll cnt,ll e)
{
    if(idx==e)
    {
        ans=min(cnt,ans);
        return;
    }
    for(int i=0;i<v[idx].size();i++)
    {

            dfs(v[idx][i].first,cnt+v[idx][i].second,e);

    }
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    cin>>k>>n>>m>>q;

    for(int i=0;i<m;i++)
    {
        ll a,b,c;
        cin>>a>>b>>c;
        v[a].push_back({b,c});
    }
    for(int i=0;i<q;i++)
    {


        ll a,b;
        ans=INT_MAX;
        cin>>a>>b;
        dfs(a,0,b);
        if(ans==INT_MAX)ans=-1;
        cout<<ans<<endl;
    }
}

Compilation message

toll.cpp: In function 'void dfs(ll, ll, ll)':
toll.cpp:16:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |     for(int i=0;i<v[idx].size();i++)
      |                 ~^~~~~~~~~~~~~~

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3095 ms 5648 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3095 ms 4728 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1484 KB Output is correct
2 Correct 1 ms 1484 KB Output is correct
3 Correct 1 ms 1484 KB Output is correct
4 Correct 1 ms 1484 KB Output is correct
5 Correct 1 ms 1484 KB Output is correct
6 Correct 2 ms 1516 KB Output is correct
7 Execution timed out 3085 ms 1556 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #4
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1484 KB Output is correct
2 Correct 1 ms 1484 KB Output is correct
3 Correct 1 ms 1484 KB Output is correct
4 Correct 1 ms 1484 KB Output is correct
5 Correct 1 ms 1484 KB Output is correct
6 Correct 2 ms 1516 KB Output is correct
7 Execution timed out 3085 ms 1556 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #5
0 / 44.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3095 ms 5648 KB Time limit exceeded
2 Halted 0 ms 0 KB -