oj.uz

Submission #1118687

# Submission time Handle Problem Language Result Execution time Memory
1118687 2024-11-26T02:16:52 Z YSH2020 Drivers (BOI24_drivers) C++17
0 / 100
 1 ms 340 KB 
#include <bits/stdc++.h>
using namespace std;

int p[200005];

int parent(int n) {
    if (p[n] == n) return n;
    return p[n] = parent(p[n]);
}

void merge(int x, int y) {
    x = parent(x); y = parent(y);
    if (x == y) return;
    p[x] = y;
}

int main() {
    int n, m, u; cin >> n >> m >> u;
    vector <pair<int, pair<int, int>>> edges;
    for (int i = 0; i < m; i++) {
        int x, y, w; cin >> x >> y >> w;
        edges.push_back({w, {x, y}});
    }
    sort(edges.begin(), edges.end());
    for (int i = 1; i <= n; i++) p[i] = i;
    vector <pair<pair<int, int>, pair<int, int>>> query;
    int ans[u];
    for (int i = 0; i < u; i++) {
        int x, y, dist; cin >> x >> y >> dist;
        query.push_back({{dist, i}, {x, y}});
    }
    sort(query.begin(), query.end());
    int idx = 0;
    for (int i = 0; i < u; i++) {
        while (idx < m and edges[idx].first <= query[i].first.first) {
            merge(edges[idx].second.first, edges[idx].second.second);
            idx++;
        }
        if (parent(query[i].second.first) == parent(query[i].second.second)) ans[query[i].first.second] = 1;
        else ans[query[i].first.second] = 0;
    }
    for (int i = 0; i < u; i++) {
        if (ans[i] == 0) cout << "TAIP" << '\n';
        else cout << "NE" << '\n';
    }
}

Subtask #1
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0.0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0.0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 45.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -