oj.uz

Submission #938797

# Submission time Handle Problem Language Result Execution time Memory
938797 2024-03-05T14:29:31 Z vjudge1 Toll (BOI17_toll) C++17
17 / 100
 132 ms 8064 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;
    if(k == 1) {
    vector<int> a(n, 1e10), prefix(n);
    for(int i = 0; i < m; i++) {
        cin >> x >> y >> t;
        a[x] = t;
    }
    for(int i = 0; i < n; i++) prefix[i] = a[i] + (i == 0 ? 0 : prefix[i - 1]);
    while(q--) {
        cin >> x >> y;
        if(prefix[y - 1] - (x == 0 ? 0 : prefix[x - 1]) >= 1e10) cout << "-1\n";
        else cout << (prefix[y - 1] - (x == 0 ? 0 : prefix[x - 1])) << "\n";
    }
    return 0;
    }
    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
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 1112 KB Output is correct
2 Correct 0 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 2 ms 448 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Correct 47 ms 1220 KB Output is correct
9 Correct 46 ms 1620 KB Output is correct
10 Correct 16 ms 1248 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 93 ms 5160 KB Output is correct
2 Correct 0 ms 344 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 1 ms 348 KB Output is correct
7 Correct 16 ms 348 KB Output is correct
8 Correct 18 ms 604 KB Output is correct
9 Correct 44 ms 1212 KB Output is correct
10 Correct 124 ms 7252 KB Output is correct
11 Correct 90 ms 5316 KB Output is correct
12 Correct 61 ms 4532 KB Output is correct
13 Correct 132 ms 8064 KB Output is correct
14 Correct 63 ms 4948 KB Output is correct
15 Correct 55 ms 4072 KB Output is correct
16 Correct 53 ms 3920 KB Output is correct

Subtask #3
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Incorrect 1 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Incorrect 1 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 1112 KB Output is correct
2 Correct 0 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 2 ms 448 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Correct 47 ms 1220 KB Output is correct
9 Correct 46 ms 1620 KB Output is correct
10 Correct 16 ms 1248 KB Output is correct
11 Correct 93 ms 5160 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 16 ms 348 KB Output is correct
18 Correct 18 ms 604 KB Output is correct
19 Correct 44 ms 1212 KB Output is correct
20 Correct 124 ms 7252 KB Output is correct
21 Correct 90 ms 5316 KB Output is correct
22 Correct 61 ms 4532 KB Output is correct
23 Correct 132 ms 8064 KB Output is correct
24 Correct 63 ms 4948 KB Output is correct
25 Correct 55 ms 4072 KB Output is correct
26 Correct 53 ms 3920 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Incorrect 1 ms 348 KB Output isn't correct
29 Halted 0 ms 0 KB -