Submission #651926

# Submission time Handle Problem Language Result Execution time Memory
651926 2022-10-20T14:18:25 Z longvu Ceste (COCI17_ceste) C++14
16 / 160
691 ms 131072 KB
/**
 *    author:  longvu
 *    created: 10/20/22 21:00:44
**/
#include<bits/stdc++.h>

using namespace std;

#define int long long
#define sz(x) ((int)x.size())
#define all(x) (x).begin(), (x).end()
const int INF = numeric_limits<int>::max();
const int naxn = (int)(209);
const int naxval = (int)(20009);
const int mod = 1e9 + 7;

template<class X, class Y>
bool maximize(X& x, const Y y) {
    if (y > x) {x = y; return true;}
    return false;
}
template<class X, class Y>
bool minimize(X& x, const Y y) {
    if (y < x) {x = y; return true;}
    return false;
}

struct Node {
    int lab, t, c;
};

vector<Node> adj[naxn];
int dp[naxn][naxval];
int32_t main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n, m;
    cin >> n >> m;
    for (int i = 1; i <= m; ++i) {
        int u, v, t, c;
        cin >> u >> v >> t >> c;
        adj[u].push_back({v, t, c});
        adj[v].push_back({u, t, c});
    }
    priority_queue<tuple<int, int, int>, vector<tuple<int, int, int>>, greater<tuple<int, int, int>>> pq;
    memset(dp, 0x3f, sizeof dp);
    dp[1][0] = 0;
    pq.push({0, 1 , 0});
    while (!pq.empty()) {
        tuple<int, int, int> u = pq.top();
        pq.pop();
        for (auto v : adj[get<1>(u)]) {
            if (get<2>(u) + v.t < naxval
                    && minimize(dp[v.lab][get<2>(u) + v.t], v.c + get<0>(u))) {
                pq.push({v.c + get<0>(u), v.lab, get<2>(u) + v.t});
            }
        }
    }
    for (int i = 2; i <= n; ++i) {
        int ans = INF;
        for (int j = 0; j < naxval; ++j) {
            if (dp[i][j] < naxval) {
                minimize(ans, j * dp[i][j]);
            }
        }
        cout << (ans < naxval ? ans : -1) << '\n';
    }
    return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 72 ms 33168 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 406 ms 39440 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 303 ms 36296 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 305 ms 36212 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 468 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 691 ms 131072 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 468 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 436 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 468 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 468 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -