236592026-01-27 08:31:26PappMatyasBizonyításcpp17Time limit exceeded 25/501.088s8612 KiB
#include <iostream>
#include <vector>

using namespace std;

vector<vector<int>> v;
vector<bool> done;

static bool Connects(int x, int y)
{
	if (x == y)
	{
		return true;
	}
	if (done[x])
	{
		return false;
	}

	done[x] = true;
	int s = v[x].size();
	for (int i = 0; i < s; i++)
	{
		if (Connects(v[x][i], y))
		{
			return true;
		}
	}
	return false;
}

int main()
{
	ios::sync_with_stdio(false);
	cin.tie(nullptr);

	int n, q;
	cin >> n >> q;
	
	vector<string> ans;
	done = vector<bool>(n);

	for (int i = 0; i < n; i++)
	{
		v.push_back(vector<int>{});
	}

	for (int i = 0; i < q; i++)
	{
		int t, x, y;
		cin >> t >> x >> y;

		x--; y--;

		if (t == 2)
		{
			fill(done.begin(), done.end(), false);
			ans.push_back(Connects(x, y) ? "IGEN" : "NEM");
		}
		else
		{
			v[x].push_back(y);
		}
	}

	for (string k : ans)
	{
		cout << k << "\n";
	}
}
SubtaskSumTestVerdictTimeMemory
subtask10/0
1Accepted1ms316 KiB
2Accepted992ms5080 KiB
subtask210/10
3Accepted3ms316 KiB
4Accepted14ms820 KiB
5Accepted151ms1512 KiB
6Accepted70ms1064 KiB
7Accepted107ms1616 KiB
8Accepted1ms316 KiB
9Accepted1ms316 KiB
10Accepted18ms840 KiB
11Accepted81ms1492 KiB
12Accepted118ms992 KiB
subtask315/15
13Accepted1ms316 KiB
14Accepted2ms316 KiB
15Accepted1ms316 KiB
16Accepted1ms316 KiB
17Accepted1ms316 KiB
18Accepted1ms316 KiB
19Accepted1ms316 KiB
20Accepted1ms316 KiB
21Accepted2ms316 KiB
22Accepted2ms508 KiB
23Accepted2ms512 KiB
24Accepted1ms316 KiB
25Accepted1ms316 KiB
26Accepted1ms316 KiB
27Accepted1ms316 KiB
28Accepted1ms316 KiB
29Accepted1ms316 KiB
30Accepted1ms316 KiB
31Accepted1ms316 KiB
32Accepted1ms316 KiB
33Accepted1ms316 KiB
34Accepted1ms316 KiB
35Accepted1ms316 KiB
36Accepted1ms316 KiB
37Accepted1ms392 KiB
38Accepted2ms508 KiB
subtask40/25
39Accepted1ms316 KiB
40Accepted995ms5192 KiB
41Accepted3ms316 KiB
42Accepted14ms820 KiB
43Accepted151ms1512 KiB
44Accepted70ms1064 KiB
45Accepted107ms1616 KiB
46Accepted1ms316 KiB
47Accepted1ms316 KiB
48Accepted18ms840 KiB
49Accepted81ms1492 KiB
50Accepted118ms992 KiB
51Accepted2ms316 KiB
52Accepted1ms316 KiB
53Accepted1ms316 KiB
54Accepted1ms316 KiB
55Accepted1ms316 KiB
56Accepted1ms316 KiB
57Accepted1ms316 KiB
58Accepted2ms316 KiB
59Accepted2ms508 KiB
60Accepted2ms512 KiB
61Accepted1ms316 KiB
62Accepted1ms316 KiB
63Accepted1ms316 KiB
64Accepted1ms316 KiB
65Accepted1ms316 KiB
66Accepted1ms316 KiB
67Accepted1ms316 KiB
68Accepted1ms316 KiB
69Accepted1ms316 KiB
70Accepted1ms316 KiB
71Accepted1ms316 KiB
72Accepted1ms316 KiB
73Accepted1ms316 KiB
74Accepted1ms392 KiB
75Accepted2ms508 KiB
76Accepted83ms4672 KiB
77Accepted35ms684 KiB
78Accepted802ms4808 KiB
79Accepted35ms788 KiB
80Accepted469ms4812 KiB
81Accepted125ms2836 KiB
82Accepted150ms2492 KiB
83Accepted75ms1276 KiB
84Accepted197ms2644 KiB
85Accepted418ms2800 KiB
86Accepted280ms4588 KiB
87Accepted458ms4816 KiB
88Accepted101ms1508 KiB
89Accepted103ms1528 KiB
90Accepted82ms8612 KiB
91Accepted421ms3244 KiB
92Accepted79ms8608 KiB
93Accepted386ms3144 KiB
94Accepted82ms8612 KiB
95Time limit exceeded1.087s932 KiB
96Time limit exceeded1.075s1068 KiB
97Time limit exceeded1.075s1092 KiB
98Time limit exceeded1.088s1208 KiB
99Time limit exceeded1.085s820 KiB
100Time limit exceeded1.077s2808 KiB
101Time limit exceeded1.08s2784 KiB
102Time limit exceeded1.08s2748 KiB
103Time limit exceeded1.083s2728 KiB
104Time limit exceeded1.08s2728 KiB