oj.uz

Submission #981706

# Submission time Handle Problem Language Result Execution time Memory
981706 2024-05-13T13:27:20 Z kaopj Evacuation plan (IZhO18_plan) C++17
0 / 100
 425 ms 524288 KB 
#include <bits/stdc++.h>
using namespace std;
vector<pair<int,int>> edge[100001];
int n,m;
int dist[100001];
int dfs(int x,int t) {
    int ans=dist[x];
    if (t == x) {
        return ans;
    }
    int maxi=0;
    for (auto i:edge[x]) {
        maxi = max(maxi,dfs(i.second,t));
    }
    return min(ans,maxi);
}
int main() {
    cin >> n >> m;
    memset(dist,1e9,sizeof dist);
    int x,y,d;
    for (int i =0;i<m;i++) {
        cin >> x >> y >> d;
        edge[x].push_back({d,y});
        edge[y].push_back({d,x});
    }
    int q;
    cin >> q;
    priority_queue<pair<int,int>,vector<pair<int,int>>,greater<pair<int,int>>> pq;
    while (q--) {
        cin >> x;
        pq.push({0,x});
        dist[x]=0;
    }
    while (!pq.empty()) {
        auto u = pq.top();
        pq.pop();
        if (dist[u.second] < u.first) {
            continue;
        }
        for (auto i:edge[u.second]) {
            if (dist[i.second] > i.first+u.first) {
                dist[i.second] = i.first+u.first;
                pq.push({dist[i.second],i.second});
            }
        }
    }
    cin >> q;
    while (q--) {
        cin >> x >> y;
        cout << dfs(x,y) << '\n';
    }
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 319 ms 524288 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #2
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 319 ms 524288 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Runtime error 319 ms 524288 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Runtime error 425 ms 524288 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #5
0 / 46.0

# Verdict Execution time Memory Grader output
1 Runtime error 319 ms 524288 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -