oj.uz

답안 #372521

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
372521 2021-02-28T15:55:32 Z gustason Trucks (LMIO17_sunkvezimiai) C++11
10 / 100
 58 ms 1260 KB 
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int maxN = 2e5 + 5;
int parent[maxN], sz[maxN], mx[maxN];

int find(int v) {
    if (v == parent[v])
        return v;
    return parent[v] = find(parent[v]);
}
void unite(int a, int b, int w) {
    a = find(a), b = find(b);
    mx[a] = max(mx[a], w);
    mx[b] = max(mx[b], w);

    if (a == b) return;
    if (sz[a] < sz[b]) {
        swap(a, b);
    }
    parent[b] = a;
    sz[a] += sz[b];
}
bool can(int a, int b, int w) {
    a = find(a), b = find(b);
    return a == b && w >= mx[a] && w >= mx[b];
}
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, m, q;
    cin >> n >> m >> q;
    for(int i = 0; i <= n; i++) {
        sz[i] = 1;
        parent[i] = i;
    }
    for(int i = 0; i < m; i++) {
        int a, b, w;
        cin >> a >> b >> w;
        unite(a, b, w);
    }
    while(q--) {
        int a, b, t;
        cin >> a >> b >> t;
        if (can(a, b, t)) {
            cout << "TAIP\n";
        } else {
            cout << "NE\n";
        }
    }
//    for(int i = 0; i <= n; i++) {
//        cout << mx[i] << " " << parent[i] << "\n";
//    }
    return 0;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 2 ms 492 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 58 ms 1260 KB Output is correct

Subtask #2
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 2 ms 492 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Incorrect 1 ms 364 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 2 ms 492 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 58 ms 1260 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Incorrect 1 ms 364 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -