oj.uz

Submission #938785

# Submission time Handle Problem Language Result Execution time Memory
938785 2024-03-05T14:21:41 Z vjudge1 Toll (BOI17_toll) C++17
10 / 100
 136 ms 7868 KB 
#include <bits/stdc++.h>
#define int long long
#define ff first
#define ss second

using namespace std;

struct Edge {
    int x, y, t;
    Edge(int xi, int yi, int ti):x(xi),y(yi),t(ti){}
};

int k, n, m, q, x, y, t;
vector<vector<Edge>> graph;

signed main() {
    cin >> k >> n >> m >> q;
    graph = vector<vector<Edge>>(n);
    for(int i = 0; i < m; i++) {
        cin >> x >> y >> t;
        graph[x].push_back(Edge(x, y, t));
    }
    priority_queue<pair<int,int>> pq;
    vector<int> dist(n, LLONG_MAX);
    pair<int,int> temp;
    pq.push({0, 0});
    while(pq.size()) {
        temp = pq.top();
        pq.pop();
        temp.ff = -temp.ff;
        //cout << temp.ff << " " << temp.ss << "\n";
        if(dist[temp.ss] < temp.ff) continue;
        dist[temp.ss] = temp.ff;
        for(auto j : graph[temp.ss]) {
            if(temp.ff + j.t < dist[j.y]) pq.push({-(temp.ff + j.t), j.y});
        }
    }
    while(q--) {
        cin >> x >> y;
        if(dist[y] == LLONG_MAX) cout << "-1\n";
        else cout << dist[y] << "\n";
    }
}

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 52 ms 3416 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 79 ms 5192 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 15 ms 500 KB Output is correct
8 Correct 16 ms 572 KB Output is correct
9 Correct 46 ms 3420 KB Output is correct
10 Correct 136 ms 7252 KB Output is correct
11 Correct 98 ms 5596 KB Output is correct
12 Correct 61 ms 4528 KB Output is correct
13 Correct 108 ms 7868 KB Output is correct
14 Correct 65 ms 4944 KB Output is correct
15 Correct 55 ms 3916 KB Output is correct
16 Correct 54 ms 3956 KB Output is correct

Subtask #3
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 31.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 44.0

# Verdict Execution time Memory Grader output
1 Incorrect 52 ms 3416 KB Output isn't correct
2 Halted 0 ms 0 KB -