Submission #1102525

# Submission time Handle Problem Language Result Execution time Memory
1102525 2024-10-18T08:28:42 Z EkinOnal Kutije (COCI21_kutije) C++17
70 / 70
101 ms 1864 KB
// #pragma GCC optimize("O3,unroll-loops,Ofast")
// #pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")
#include <bits/stdc++.h>
using namespace std;

const int N = 1000+2;

struct DSU {
	int e[N]; 
	DSU(){for(int i = 1; i < N-1; i++) e[i]=-1;}

	int get(int x) { return e[x] < 0 ? x : e[x] = get(e[x]); } 
	bool sameSet(int a, int b) { return get(a) == get(b); }
	int size(int x) { return -e[get(x)]; }
	bool unite(int x, int y) { // union by size
		x = get(x), y = get(y); if (x == y) return 0;
		if (e[x] > e[y]) swap(x,y);
		e[x] += e[y]; e[y] = x;  return 1;
	}
};

DSU t;
int n,m,a,b;
int q;
int32_t main(){
	ios_base::sync_with_stdio(0); cin.tie(0);		
	cin>>n>>m>>q;

	for(int i=1;i<=m;i++){
		for(int j=1;j<=n;j++){
			cin>>a; 
			t.unite(j,a);
		}
	}
	while(q--){
		cin>>a>>b;
		if(t.sameSet(a,b)) cout<<"DA\n";
		else cout<<"NE\n";
	}
 		
	return 0;	 			
}
# Verdict Execution time Memory Grader output
1 Correct 48 ms 1864 KB Output is correct
2 Correct 48 ms 1608 KB Output is correct
3 Correct 47 ms 1612 KB Output is correct
4 Correct 51 ms 1864 KB Output is correct
5 Correct 58 ms 1864 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 456 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 456 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 560 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 48 ms 1864 KB Output is correct
2 Correct 48 ms 1608 KB Output is correct
3 Correct 47 ms 1612 KB Output is correct
4 Correct 51 ms 1864 KB Output is correct
5 Correct 58 ms 1864 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 456 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 2 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 560 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 95 ms 1724 KB Output is correct
27 Correct 96 ms 1864 KB Output is correct
28 Correct 77 ms 1488 KB Output is correct
29 Correct 90 ms 1864 KB Output is correct
30 Correct 93 ms 1608 KB Output is correct
31 Correct 81 ms 1480 KB Output is correct
32 Correct 91 ms 1864 KB Output is correct
33 Correct 101 ms 1744 KB Output is correct
34 Correct 86 ms 1864 KB Output is correct
35 Correct 100 ms 1740 KB Output is correct