oj.uz

Submission #851819

# Submission time Handle Problem Language Result Execution time Memory
851819 2023-09-20T16:26:09 Z vjudge1 Kutije (COCI21_kutije) C++17
70 / 70
 124 ms 2188 KB 
#pragma GCC optimize("unroll-loops,Ofast,O3")
#include <bits/stdc++.h>
#define pb push_back
#define mp make_pair
#define spc << " " <<
#define endl "\n"
#define all(x) x.begin(), x.end()
#define ll long long
#define int long long
#define ii pair<int,int>
#define vi vector<int>
#define vii vector<ii>
#define st first
#define nd second
#define inf 1000000009
#define MOD 998244353
using namespace std;





int dad[1005];

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



void solve(){
    int n,m,q;
    cin >> n >> m >> q;
    for(int i=1; i<=n; i++) dad[i]=i;

    for(int i=1; i<=m; i++){
        for(int j=1; j<=n; j++){
            int a; cin >> a;
            unite(a, j);
        }
    }

    while(q--){
        int a,b; cin >> a >> b;
        if(find(a)==find(b)) cout << "DA" << endl;
        else cout << "NE" << endl;
    }
}



signed main(){
    ios_base::sync_with_stdio(false);cin.tie(0);
    #ifdef Local
    freopen("in","r",stdin);
    freopen("out","w",stdout);
    #endif


    ll t=1;
    //cin >> t;
    while(t--) solve();
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 72 ms 1768 KB Output is correct
2 Correct 67 ms 1620 KB Output is correct
3 Correct 75 ms 1528 KB Output is correct
4 Correct 73 ms 1876 KB Output is correct
5 Correct 78 ms 2188 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 600 KB Output is correct
7 Correct 1 ms 348 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 600 KB Output is correct
7 Correct 1 ms 348 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 348 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 344 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 72 ms 1768 KB Output is correct
2 Correct 67 ms 1620 KB Output is correct
3 Correct 75 ms 1528 KB Output is correct
4 Correct 73 ms 1876 KB Output is correct
5 Correct 78 ms 2188 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 600 KB Output is correct
12 Correct 1 ms 348 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 348 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 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 118 ms 1872 KB Output is correct
27 Correct 124 ms 1872 KB Output is correct
28 Correct 99 ms 1688 KB Output is correct
29 Correct 117 ms 2044 KB Output is correct
30 Correct 118 ms 1436 KB Output is correct
31 Correct 101 ms 1616 KB Output is correct
32 Correct 116 ms 1872 KB Output is correct
33 Correct 122 ms 1872 KB Output is correct
34 Correct 120 ms 1872 KB Output is correct
35 Correct 121 ms 1872 KB Output is correct