oj.uz

Submission #1090705

# Submission time Handle Problem Language Result Execution time Memory
1090705 2024-09-18T15:38:40 Z trandangquang None (JOI14_ho_t4) C++14
25 / 100
 88 ms 16848 KB 
#include <bits/stdc++.h>
using namespace std;

const int N = 1e5+5;

int n, m, x, h[N], mxh[N];
vector <pair <int, int>> adj[N];

int main() {
    cin.tie(0)->sync_with_stdio(0);

    cin >> n >> m >> x;
    for(int i = 1; i <= n; ++i) cin >> h[i];
    for(int i = 1; i <= m; ++i) {
        int u, v, w; cin >> u >> v >> w;
        if(h[u] >= w) adj[u].emplace_back(v, w);
        if(h[v] >= w) adj[v].emplace_back(u, w);
    }

    fill(mxh+1, mxh+1+n, -1e9);
    mxh[1] = x;

    priority_queue <pair <int, int>> pq;
    pq.push({x, 1});

    while(pq.size()) {
        pair <int, int> tp = pq.top(); pq.pop();
        int hu = tp.first, u = tp.second;

        if(hu < mxh[u]) continue;

        for(pair <int, int> i : adj[u]) {
            int v = i.first, w = i.second;
            int hv = min(hu-w, h[v]);
            if(hv > mxh[v]) {
                mxh[v] = hv;
                pq.push({hv, v});
            }
        }
    }

    if(mxh[n] == (int)-1e9) cout << "-1\n";
    else cout << x + h[n] - 2*mxh[n] << '\n';
}

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2908 KB Output is correct
3 Correct 1 ms 2904 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 2 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 2 ms 2908 KB Output is correct
9 Correct 1 ms 2908 KB Output is correct
10 Correct 1 ms 2908 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 2 ms 2908 KB Output is correct
13 Correct 1 ms 2908 KB Output is correct
14 Correct 1 ms 2904 KB Output is correct
15 Correct 1 ms 2652 KB Output is correct
16 Correct 1 ms 2652 KB Output is correct
17 Correct 1 ms 2652 KB Output is correct
18 Correct 1 ms 2824 KB Output is correct
19 Correct 1 ms 2652 KB Output is correct
20 Correct 1 ms 2904 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 80 ms 13140 KB Output is correct
2 Correct 73 ms 16848 KB Output is correct
3 Correct 52 ms 10832 KB Output is correct
4 Correct 85 ms 16060 KB Output is correct
5 Correct 67 ms 15824 KB Output is correct
6 Correct 4 ms 2904 KB Output is correct
7 Correct 55 ms 8788 KB Output is correct
8 Correct 88 ms 15308 KB Output is correct
9 Correct 60 ms 10576 KB Output is correct
10 Correct 37 ms 7508 KB Output is correct
11 Correct 10 ms 4188 KB Output is correct
12 Correct 51 ms 10904 KB Output is correct
13 Correct 26 ms 8536 KB Output is correct
14 Correct 58 ms 9040 KB Output is correct
15 Incorrect 3 ms 3160 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #3
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2908 KB Output is correct
3 Correct 1 ms 2904 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 2 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 2 ms 2908 KB Output is correct
9 Correct 1 ms 2908 KB Output is correct
10 Correct 1 ms 2908 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 2 ms 2908 KB Output is correct
13 Correct 1 ms 2908 KB Output is correct
14 Correct 1 ms 2904 KB Output is correct
15 Correct 1 ms 2652 KB Output is correct
16 Correct 1 ms 2652 KB Output is correct
17 Correct 1 ms 2652 KB Output is correct
18 Correct 1 ms 2824 KB Output is correct
19 Correct 1 ms 2652 KB Output is correct
20 Correct 1 ms 2904 KB Output is correct
21 Correct 80 ms 13140 KB Output is correct
22 Correct 73 ms 16848 KB Output is correct
23 Correct 52 ms 10832 KB Output is correct
24 Correct 85 ms 16060 KB Output is correct
25 Correct 67 ms 15824 KB Output is correct
26 Correct 4 ms 2904 KB Output is correct
27 Correct 55 ms 8788 KB Output is correct
28 Correct 88 ms 15308 KB Output is correct
29 Correct 60 ms 10576 KB Output is correct
30 Correct 37 ms 7508 KB Output is correct
31 Correct 10 ms 4188 KB Output is correct
32 Correct 51 ms 10904 KB Output is correct
33 Correct 26 ms 8536 KB Output is correct
34 Correct 58 ms 9040 KB Output is correct
35 Incorrect 3 ms 3160 KB Output isn't correct
36 Halted 0 ms 0 KB -