oj.uz

Submission #81106

# Submission time Handle Problem Language Result Execution time Memory
81106 2018-10-23T19:34:48 Z ToadDaveski Evacuation plan (IZhO18_plan) C++14
23 / 100
 1439 ms 31812 KB 
#include <bits/stdc++.h>
#define ll long long
#define fr first
#define sc second
using namespace std;
vector <pair <ll,ll> > v[100001];
ll dp[100001];
priority_queue <pair <ll,ll> > q;
int main()
{
    ll n,m,Q,k,i,j;
    cin>>n>>m;
    for(i=1;i<=n;i++)
        dp[i]=1e9;
    for(i=1;i<=m;i++)
    {
        ll x,y,z;
        cin>>x>>y>>z;
        v[x].push_back({y,z});
        v[y].push_back({x,z});
    }
    cin>>k;
    for(i=1;i<=k;i++)
    {
        ll x,y;
        cin>>x;
        q.push({0,x});
        dp[x]=0;
    }
    while(!q.empty())
    {
        ll from=q.top().sc;
        ll weight=-q.top().fr;
        q.pop();
        if (dp[from]<weight)
            continue;
        for(auto to : v[from])
        {
            if (dp[to.fr]>dp[from]+to.sc)
            {
                dp[to.fr]=dp[from]+to.sc;
                q.push({-(dp[from]+to.sc),to.fr});
            }
        }
    }
    cin>>Q;
    for(i=1;i<=Q;i++)
    {
        ll x,y;
        cin>>x>>y;
        cout<<min(dp[x],dp[y])<<endl;
    }
    return 0;
}

Compilation message

plan.cpp: In function 'int main()':
plan.cpp:25:14: warning: unused variable 'y' [-Wunused-variable]
         ll x,y;
              ^
plan.cpp:11:18: warning: unused variable 'j' [-Wunused-variable]
     ll n,m,Q,k,i,j;
                  ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2680 KB Output is correct
2 Correct 9 ms 2680 KB Output is correct
3 Correct 10 ms 2680 KB Output is correct
4 Correct 4 ms 2680 KB Output is correct
5 Correct 10 ms 2808 KB Output is correct
6 Correct 9 ms 2680 KB Output is correct
7 Correct 4 ms 2680 KB Output is correct
8 Correct 4 ms 2680 KB Output is correct
9 Correct 10 ms 2680 KB Output is correct
10 Correct 10 ms 2676 KB Output is correct
11 Correct 9 ms 2680 KB Output is correct
12 Correct 10 ms 2680 KB Output is correct
13 Correct 9 ms 2776 KB Output is correct
14 Correct 9 ms 2808 KB Output is correct
15 Correct 9 ms 2680 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2680 KB Output is correct
2 Correct 9 ms 2680 KB Output is correct
3 Correct 10 ms 2680 KB Output is correct
4 Correct 4 ms 2680 KB Output is correct
5 Correct 10 ms 2808 KB Output is correct
6 Correct 9 ms 2680 KB Output is correct
7 Correct 4 ms 2680 KB Output is correct
8 Correct 4 ms 2680 KB Output is correct
9 Correct 10 ms 2680 KB Output is correct
10 Correct 10 ms 2676 KB Output is correct
11 Correct 9 ms 2680 KB Output is correct
12 Correct 10 ms 2680 KB Output is correct
13 Correct 9 ms 2776 KB Output is correct
14 Correct 9 ms 2808 KB Output is correct
15 Correct 9 ms 2680 KB Output is correct
16 Correct 597 ms 9716 KB Output is correct
17 Correct 1421 ms 31632 KB Output is correct
18 Correct 108 ms 5440 KB Output is correct
19 Correct 580 ms 11236 KB Output is correct
20 Correct 1393 ms 31812 KB Output is correct
21 Correct 820 ms 16524 KB Output is correct
22 Correct 567 ms 9096 KB Output is correct
23 Correct 1385 ms 31528 KB Output is correct
24 Correct 1408 ms 31556 KB Output is correct
25 Correct 1439 ms 31600 KB Output is correct
26 Correct 576 ms 11236 KB Output is correct
27 Correct 578 ms 11272 KB Output is correct
28 Correct 579 ms 11208 KB Output is correct
29 Correct 582 ms 11280 KB Output is correct
30 Correct 581 ms 11236 KB Output is correct

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 2680 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Incorrect 420 ms 15524 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2680 KB Output is correct
2 Correct 9 ms 2680 KB Output is correct
3 Correct 10 ms 2680 KB Output is correct
4 Correct 4 ms 2680 KB Output is correct
5 Correct 10 ms 2808 KB Output is correct
6 Correct 9 ms 2680 KB Output is correct
7 Correct 4 ms 2680 KB Output is correct
8 Correct 4 ms 2680 KB Output is correct
9 Correct 10 ms 2680 KB Output is correct
10 Correct 10 ms 2676 KB Output is correct
11 Correct 9 ms 2680 KB Output is correct
12 Correct 10 ms 2680 KB Output is correct
13 Correct 9 ms 2776 KB Output is correct
14 Correct 9 ms 2808 KB Output is correct
15 Correct 9 ms 2680 KB Output is correct
16 Correct 597 ms 9716 KB Output is correct
17 Correct 1421 ms 31632 KB Output is correct
18 Correct 108 ms 5440 KB Output is correct
19 Correct 580 ms 11236 KB Output is correct
20 Correct 1393 ms 31812 KB Output is correct
21 Correct 820 ms 16524 KB Output is correct
22 Correct 567 ms 9096 KB Output is correct
23 Correct 1385 ms 31528 KB Output is correct
24 Correct 1408 ms 31556 KB Output is correct
25 Correct 1439 ms 31600 KB Output is correct
26 Correct 576 ms 11236 KB Output is correct
27 Correct 578 ms 11272 KB Output is correct
28 Correct 579 ms 11208 KB Output is correct
29 Correct 582 ms 11280 KB Output is correct
30 Correct 581 ms 11236 KB Output is correct
31 Incorrect 4 ms 2680 KB Output isn't correct
32 Halted 0 ms 0 KB -