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Submission #548111

# Submission time Handle Problem Language Result Execution time Memory
548111 2022-04-12T13:07:55 Z aryan12 Kutije (COCI21_kutije) C++17
70 / 70
 143 ms 9448 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long

mt19937_64 RNG(chrono::steady_clock::now().time_since_epoch().count());

const int N = 1010;
int par[N];

int Find(int x)
{
	if(x == par[x])
	{
		return x;
	}
	return par[x] = Find(par[x]);
}

void Unite(int a, int b)
{
	a = Find(a), b = Find(b);
	if(a == b)
	{
		return;
	}
	par[a] = b;
}

void Solve() 
{
	int n, m, q;
	cin >> n >> m >> q;
	for(int i = 1; i <= n; i++)
	{
		par[i] = i;
	}
	for(int i = 1; i <= m; i++)
	{
		for(int j = 1; j <= n; j++)
		{
			int x;
			cin >> x;
			if(Find(x) != Find(j))
			{
				Unite(x, j);
			}
		}
	}
	for(int i = 1; i <= q; i++)
	{
		int a, b;
		cin >> a >> b;
		if(Find(a) != Find(b))
		{
			cout << "NE\n";
		}
		else
		{
			cout << "DA\n";
		}
	}
}

int32_t main() 
{
	auto begin = std::chrono::high_resolution_clock::now();
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int t = 1;
	// cin >> t;
	for(int i = 1; i <= t; i++) 
	{
		//cout << "Case #" << i << ": ";
		Solve();
	}
	auto end = std::chrono::high_resolution_clock::now();
    auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
    cerr << "Time measured: " << elapsed.count() * 1e-9 << " seconds.\n"; 
	return 0;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 5548 KB Output is correct
2 Correct 68 ms 4836 KB Output is correct
3 Correct 64 ms 4592 KB Output is correct
4 Correct 73 ms 5592 KB Output is correct
5 Correct 81 ms 5576 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 2 ms 336 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 5548 KB Output is correct
2 Correct 68 ms 4836 KB Output is correct
3 Correct 64 ms 4592 KB Output is correct
4 Correct 73 ms 5592 KB Output is correct
5 Correct 81 ms 5576 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 2 ms 336 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 139 ms 9384 KB Output is correct
27 Correct 141 ms 9400 KB Output is correct
28 Correct 111 ms 7756 KB Output is correct
29 Correct 134 ms 9016 KB Output is correct
30 Correct 130 ms 7976 KB Output is correct
31 Correct 116 ms 7980 KB Output is correct
32 Correct 141 ms 9424 KB Output is correct
33 Correct 142 ms 9448 KB Output is correct
34 Correct 132 ms 9416 KB Output is correct
35 Correct 143 ms 9432 KB Output is correct