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Submission #866672

# Submission time Handle Problem Language Result Execution time Memory
866672 2023-10-26T16:34:43 Z epicci23 Kutije (COCI21_kutije) C++17
70 / 70
 142 ms 9648 KB 
#include "bits/stdc++.h"
using namespace std;
#define pb push_back
#define endl "\n" 
#define int long long
#define sz(x) ((int)(x).size())
#define all(x) (x).begin(),(x).end()

constexpr int N = 1005;

int par[N];
int siz[N];

int find(int a){
  if(par[a]==a) return a;
  return par[a]=find(par[a]);
}

void unite(int a,int b){
 a=find(a),b=find(b);
 if(a==b) return;
 if(siz[a]>siz[b]) swap(a,b);
 siz[b]+=siz[a];
 par[a]=b;
}

void solve(){
  
  iota(par,par+N,0LL);
  fill(siz,siz+N,1LL);

  int n,m,q;
  cin >> n >> m >> q;

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

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

int32_t main(){

  cin.tie(0); ios::sync_with_stdio(0);
  
  int t=1;//cin >> t;
  while(t--) solve();

  return 0;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 5556 KB Output is correct
2 Correct 54 ms 4928 KB Output is correct
3 Correct 57 ms 4992 KB Output is correct
4 Correct 64 ms 5716 KB Output is correct
5 Correct 65 ms 5716 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 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 476 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 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 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 476 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 460 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 348 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 348 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 5556 KB Output is correct
2 Correct 54 ms 4928 KB Output is correct
3 Correct 57 ms 4992 KB Output is correct
4 Correct 64 ms 5716 KB Output is correct
5 Correct 65 ms 5716 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 476 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 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 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 118 ms 9536 KB Output is correct
27 Correct 142 ms 9648 KB Output is correct
28 Correct 110 ms 7868 KB Output is correct
29 Correct 113 ms 9012 KB Output is correct
30 Correct 108 ms 8196 KB Output is correct
31 Correct 102 ms 8020 KB Output is correct
32 Correct 114 ms 9552 KB Output is correct
33 Correct 131 ms 9328 KB Output is correct
34 Correct 114 ms 9528 KB Output is correct
35 Correct 121 ms 9524 KB Output is correct