oj.uz

Submission #851885

# Submission time Handle Problem Language Result Execution time Memory
851885 2023-09-20T18:22:30 Z vjudge1 Kutije (COCI21_kutije) C++17
70 / 70
 128 ms 6004 KB 
#include <bits/stdc++.h>
using namespace std;

#pragma GCC optimize("Ofast,O3,unroll-loops")
#define int long long
#define vi vector<int>
#define vvi vector<vi>
#define pii pair<int, int>
#define vpi vector<pii>
#define vvpi vector<vpi>
#define vb vector<bool>
#define vvb vector<vb>
#define endl "\n"
#define sp << " " <<
#define F(i, s, n) for(int i = s; i < n; i++)
#define pb push_back
#define fi first
#define se second

int inf = LLONG_MAX >> 3;

vi dad(1001);

int find(int a) {
    if(dad[a] == a) return a;
    return dad[a] = find(dad[a]);
}
void unite(int a, int b) {
    dad[find(a)] = find(b);
}

void solve() {
    int n, m, q;
    cin >> n >> m >> q;
    F(i, 0, n) dad[i] = i;
    F(i, 0, m) {
        F(j, 0, n) {
            int x;
            cin >> x;
            x--;
            unite(x, j);
        }
    }
    F(i, 0, q) {
        int x, y;
        cin >> x >> y;
        x--, y--;
        if(find(x) == find(y)) cout << "DA" << endl;
        else cout << "NE" << endl;
    }
}
void setIO() {
    ios::sync_with_stdio(0); cin.tie(0);
    #ifdef Local
        freopen("in.txt", "r", stdin);
        freopen("out.txt", "w", stdout);
    #endif
}
signed main() {
    setIO();
    solve();
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 4020 KB Output is correct
2 Correct 65 ms 3548 KB Output is correct
3 Correct 61 ms 3408 KB Output is correct
4 Correct 73 ms 3864 KB Output is correct
5 Correct 78 ms 3932 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 4020 KB Output is correct
2 Correct 65 ms 3548 KB Output is correct
3 Correct 61 ms 3408 KB Output is correct
4 Correct 73 ms 3864 KB Output is correct
5 Correct 78 ms 3932 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 124 ms 5984 KB Output is correct
27 Correct 126 ms 5936 KB Output is correct
28 Correct 115 ms 5048 KB Output is correct
29 Correct 119 ms 5660 KB Output is correct
30 Correct 112 ms 5164 KB Output is correct
31 Correct 102 ms 5020 KB Output is correct
32 Correct 123 ms 5972 KB Output is correct
33 Correct 128 ms 5800 KB Output is correct
34 Correct 120 ms 5908 KB Output is correct
35 Correct 128 ms 6004 KB Output is correct