Submission #1102527

# Submission time Handle Problem Language Result Execution time Memory
1102527 2024-10-18T08:29:24 Z EkinOnal Kutije (COCI21_kutije) C++17
70 / 70
99 ms 1880 KB
// #pragma GCC optimize("O3,unroll-loops,Ofast")
// #pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")
#include <bits/stdc++.h>
using namespace std;

const short N = 1000+2;

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

	short get(short x) { return e[x] < 0 ? x : e[x] = get(e[x]); } 
	bool sameSet(short a, short b) { return get(a) == get(b); }
	short size(short x) { return -e[get(x)]; }
	bool unite(short x, short 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;
short n,m,a,b;
int q;
int32_t main(){
	ios_base::sync_with_stdio(0); cin.tie(0);		
	cin>>n>>m>>q;

	for(short i=1;i<=m;i++){
		for(short 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";
	} 			
}
# Verdict Execution time Memory Grader output
1 Correct 51 ms 1864 KB Output is correct
2 Correct 43 ms 1708 KB Output is correct
3 Correct 43 ms 1608 KB Output is correct
4 Correct 51 ms 1880 KB Output is correct
5 Correct 56 ms 1720 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 2 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 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 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 2 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 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 1 ms 336 KB Output is correct
11 Correct 2 ms 504 KB Output is correct
12 Correct 1 ms 464 KB Output is correct
13 Correct 1 ms 432 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 504 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 51 ms 1864 KB Output is correct
2 Correct 43 ms 1708 KB Output is correct
3 Correct 43 ms 1608 KB Output is correct
4 Correct 51 ms 1880 KB Output is correct
5 Correct 56 ms 1720 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 2 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 2 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 1 ms 336 KB Output is correct
16 Correct 2 ms 504 KB Output is correct
17 Correct 1 ms 464 KB Output is correct
18 Correct 1 ms 432 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 504 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 99 ms 1872 KB Output is correct
27 Correct 94 ms 1728 KB Output is correct
28 Correct 73 ms 1608 KB Output is correct
29 Correct 92 ms 1864 KB Output is correct
30 Correct 87 ms 1616 KB Output is correct
31 Correct 81 ms 1608 KB Output is correct
32 Correct 91 ms 1876 KB Output is correct
33 Correct 95 ms 1864 KB Output is correct
34 Correct 97 ms 1864 KB Output is correct
35 Correct 97 ms 1864 KB Output is correct