236672026-01-27 08:41:01PappMatyasBizonyításcpp17Time limit exceeded 25/501.085s1768 KiB
#include <iostream>
#include <vector>

using namespace std;

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

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

	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;
	
	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);
			cout << (Connects(x, y) ? "IGEN" : "NEM") << "\n";
		}
		else
		{
			v[x].push_back(y);
		}
	}
}
SubtaskSumTestVerdictTimeMemory
subtask10/0
1Accepted1ms316 KiB
2Time limit exceeded1.008s1588 KiB
subtask210/10
3Accepted2ms512 KiB
4Accepted14ms492 KiB
5Accepted151ms564 KiB
6Accepted68ms520 KiB
7Accepted108ms708 KiB
8Accepted1ms316 KiB
9Accepted1ms316 KiB
10Accepted17ms444 KiB
11Accepted81ms564 KiB
12Accepted119ms512 KiB
subtask315/15
13Accepted1ms316 KiB
14Accepted1ms316 KiB
15Accepted1ms508 KiB
16Accepted1ms316 KiB
17Accepted1ms316 KiB
18Accepted1ms324 KiB
19Accepted1ms500 KiB
20Accepted1ms316 KiB
21Accepted2ms316 KiB
22Accepted2ms532 KiB
23Accepted2ms316 KiB
24Accepted2ms316 KiB
25Accepted1ms316 KiB
26Accepted1ms500 KiB
27Accepted1ms316 KiB
28Accepted1ms316 KiB
29Accepted1ms316 KiB
30Accepted1ms316 KiB
31Accepted1ms508 KiB
32Accepted1ms316 KiB
33Accepted1ms316 KiB
34Accepted1ms316 KiB
35Accepted1ms388 KiB
36Accepted1ms324 KiB
37Accepted1ms316 KiB
38Accepted1ms508 KiB
subtask40/25
39Accepted1ms316 KiB
40Time limit exceeded1.008s1768 KiB
41Accepted2ms512 KiB
42Accepted14ms492 KiB
43Accepted151ms564 KiB
44Accepted68ms520 KiB
45Accepted108ms708 KiB
46Accepted1ms316 KiB
47Accepted1ms316 KiB
48Accepted17ms444 KiB
49Accepted81ms564 KiB
50Accepted119ms512 KiB
51Accepted1ms316 KiB
52Accepted1ms508 KiB
53Accepted1ms316 KiB
54Accepted1ms316 KiB
55Accepted1ms324 KiB
56Accepted1ms500 KiB
57Accepted1ms316 KiB
58Accepted2ms316 KiB
59Accepted2ms532 KiB
60Accepted2ms316 KiB
61Accepted2ms316 KiB
62Accepted1ms316 KiB
63Accepted1ms500 KiB
64Accepted1ms316 KiB
65Accepted1ms316 KiB
66Accepted1ms316 KiB
67Accepted1ms316 KiB
68Accepted1ms508 KiB
69Accepted1ms316 KiB
70Accepted1ms316 KiB
71Accepted1ms316 KiB
72Accepted1ms388 KiB
73Accepted1ms324 KiB
74Accepted1ms316 KiB
75Accepted1ms508 KiB
76Accepted78ms632 KiB
77Accepted35ms492 KiB
78Accepted819ms1320 KiB
79Accepted35ms520 KiB
80Accepted474ms1076 KiB
81Accepted125ms716 KiB
82Accepted150ms564 KiB
83Accepted75ms828 KiB
84Accepted201ms820 KiB
85Accepted421ms1076 KiB
86Accepted279ms1080 KiB
87Accepted460ms1076 KiB
88Accepted101ms564 KiB
89Accepted103ms564 KiB
90Accepted64ms1088 KiB
91Accepted421ms1328 KiB
92Accepted63ms1076 KiB
93Accepted388ms1220 KiB
94Accepted64ms1228 KiB
95Time limit exceeded1.083s640 KiB
96Time limit exceeded1.08s828 KiB
97Time limit exceeded1.077s1076 KiB
98Time limit exceeded1.08s564 KiB
99Time limit exceeded1.085s564 KiB
100Time limit exceeded1.082s564 KiB
101Time limit exceeded1.085s752 KiB
102Time limit exceeded1.08s716 KiB
103Time limit exceeded1.077s564 KiB
104Time limit exceeded1.078s636 KiB