Submission #1102521

# Submission time Handle Problem Language Result Execution time Memory
1102521 2024-10-18T08:25:49 Z EkinOnal Kutije (COCI21_kutije) C++17
70 / 70
107 ms 1868 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+5;

struct DSU {
	int e[N]; 
	DSU(){for(int i = 1; i < N-2; 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;

//	t.init(n+2);
	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 52 ms 1868 KB Output is correct
2 Correct 43 ms 1616 KB Output is correct
3 Correct 41 ms 1608 KB Output is correct
4 Correct 54 ms 1784 KB Output is correct
5 Correct 54 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 336 KB Output is correct
4 Correct 1 ms 508 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 508 KB Output is correct
7 Correct 1 ms 504 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 508 KB Output is correct
10 Correct 1 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 336 KB Output is correct
4 Correct 1 ms 508 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 508 KB Output is correct
7 Correct 1 ms 504 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 508 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 2 ms 336 KB Output is correct
15 Correct 1 ms 592 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 464 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 52 ms 1868 KB Output is correct
2 Correct 43 ms 1616 KB Output is correct
3 Correct 41 ms 1608 KB Output is correct
4 Correct 54 ms 1784 KB Output is correct
5 Correct 54 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 336 KB Output is correct
9 Correct 1 ms 508 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 508 KB Output is correct
12 Correct 1 ms 504 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 508 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 2 ms 336 KB Output is correct
20 Correct 1 ms 592 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 464 KB Output is correct
26 Correct 97 ms 1828 KB Output is correct
27 Correct 94 ms 1864 KB Output is correct
28 Correct 74 ms 1608 KB Output is correct
29 Correct 92 ms 1864 KB Output is correct
30 Correct 85 ms 1608 KB Output is correct
31 Correct 75 ms 1608 KB Output is correct
32 Correct 89 ms 1736 KB Output is correct
33 Correct 107 ms 1864 KB Output is correct
34 Correct 91 ms 1864 KB Output is correct
35 Correct 96 ms 1736 KB Output is correct