oj.uz

답안 #698272

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
698272 2023-02-13T02:40:57 Z ancuber1031 Kutije (COCI21_kutije) C++14
70 / 70
 158 ms 1796 KB 
#include <bits/stdc++.h>
using namespace std;

#define pb push_back
#define endl '\n'

int n, m, q;

struct DSU{
    vector<int> bs;
    void init(int _n) {
        bs.assign(_n+5,0);
        for (int i = 1; i <= _n; ++i) {
            bs[i] = i;
        }
    }
    int find(int p) {
        if (p == bs[p]) return p;
        return bs[p] = find(bs[p]);
    }
    void add(int u, int v) {
        int x = find(u), y = find(v);
        bs[x] = y;
    }
} dsu;

int main() {
    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    cin>>n>>m>>q;
    dsu.init(n);
    for (int i = 1; i <= m; ++i) {
        for (int j = 1; j <= n; ++j) {
            int p; cin>>p;
            dsu.add(p,j);
        }
    }
    while(q--) {
        int u, v; cin>>u>>v;
        if (dsu.find(u) == dsu.find(v)) cout<<"DA"<<endl;
        else cout<<"NE"<<endl;
    }
    return 0;
}

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 83 ms 1776 KB Output is correct
2 Correct 73 ms 1524 KB Output is correct
3 Correct 79 ms 1500 KB Output is correct
4 Correct 93 ms 1796 KB Output is correct
5 Correct 84 ms 1716 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct

Subtask #4
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 83 ms 1776 KB Output is correct
2 Correct 73 ms 1524 KB Output is correct
3 Correct 79 ms 1500 KB Output is correct
4 Correct 93 ms 1796 KB Output is correct
5 Correct 84 ms 1716 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 141 ms 1700 KB Output is correct
27 Correct 148 ms 1740 KB Output is correct
28 Correct 113 ms 1456 KB Output is correct
29 Correct 134 ms 1712 KB Output is correct
30 Correct 129 ms 1456 KB Output is correct
31 Correct 121 ms 1484 KB Output is correct
32 Correct 158 ms 1724 KB Output is correct
33 Correct 158 ms 1768 KB Output is correct
34 Correct 138 ms 1796 KB Output is correct
35 Correct 143 ms 1712 KB Output is correct