236582026-01-27 08:25:23PappMatyasBizonyításcpp17Time limit exceeded 25/501.1s8608 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;

	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)
		{
			done = vector<bool>(n, 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
2Accepted994ms5088 KiB
subtask210/10
3Accepted2ms316 KiB
4Accepted14ms820 KiB
5Accepted151ms1512 KiB
6Accepted70ms1056 KiB
7Accepted107ms1516 KiB
8Accepted1ms316 KiB
9Accepted1ms316 KiB
10Accepted17ms684 KiB
11Accepted81ms1644 KiB
12Accepted118ms1084 KiB
subtask315/15
13Accepted1ms500 KiB
14Accepted2ms500 KiB
15Accepted1ms316 KiB
16Accepted2ms508 KiB
17Accepted1ms316 KiB
18Accepted1ms316 KiB
19Accepted1ms316 KiB
20Accepted1ms316 KiB
21Accepted1ms316 KiB
22Accepted1ms316 KiB
23Accepted1ms316 KiB
24Accepted1ms316 KiB
25Accepted1ms316 KiB
26Accepted1ms440 KiB
27Accepted1ms316 KiB
28Accepted1ms316 KiB
29Accepted1ms316 KiB
30Accepted1ms316 KiB
31Accepted1ms500 KiB
32Accepted1ms316 KiB
33Accepted1ms316 KiB
34Accepted1ms316 KiB
35Accepted1ms316 KiB
36Accepted1ms316 KiB
37Accepted1ms316 KiB
38Accepted1ms316 KiB
subtask40/25
39Accepted1ms500 KiB
40Accepted995ms5184 KiB
41Accepted2ms316 KiB
42Accepted14ms820 KiB
43Accepted151ms1512 KiB
44Accepted70ms1056 KiB
45Accepted107ms1516 KiB
46Accepted1ms316 KiB
47Accepted1ms316 KiB
48Accepted17ms684 KiB
49Accepted81ms1644 KiB
50Accepted118ms1084 KiB
51Accepted2ms500 KiB
52Accepted1ms316 KiB
53Accepted2ms508 KiB
54Accepted1ms316 KiB
55Accepted1ms316 KiB
56Accepted1ms316 KiB
57Accepted1ms316 KiB
58Accepted1ms316 KiB
59Accepted1ms316 KiB
60Accepted1ms316 KiB
61Accepted1ms316 KiB
62Accepted1ms316 KiB
63Accepted1ms440 KiB
64Accepted1ms316 KiB
65Accepted1ms316 KiB
66Accepted1ms316 KiB
67Accepted1ms316 KiB
68Accepted1ms500 KiB
69Accepted1ms316 KiB
70Accepted1ms316 KiB
71Accepted1ms316 KiB
72Accepted1ms316 KiB
73Accepted1ms316 KiB
74Accepted1ms316 KiB
75Accepted1ms316 KiB
76Accepted86ms4568 KiB
77Accepted35ms692 KiB
78Accepted809ms4684 KiB
79Accepted35ms820 KiB
80Accepted470ms4820 KiB
81Accepted127ms2732 KiB
82Accepted150ms2500 KiB
83Accepted75ms1296 KiB
84Accepted199ms2788 KiB
85Accepted418ms2800 KiB
86Accepted282ms4792 KiB
87Accepted458ms4820 KiB
88Accepted101ms1508 KiB
89Accepted103ms1456 KiB
90Accepted87ms8608 KiB
91Accepted423ms3244 KiB
92Accepted89ms8608 KiB
93Accepted391ms3072 KiB
94Accepted86ms8608 KiB
95Time limit exceeded1.077s1004 KiB
96Time limit exceeded1.087s1072 KiB
97Time limit exceeded1.1s1272 KiB
98Time limit exceeded1.083s1208 KiB
99Time limit exceeded1.075s820 KiB
100Time limit exceeded1.085s2724 KiB
101Time limit exceeded1.1s2720 KiB
102Time limit exceeded1.08s2728 KiB
103Time limit exceeded1.08s2728 KiB
104Time limit exceeded1.088s2728 KiB