255412026-02-20 16:57:27LazurAndrasBizonyításcpp17Time limit exceeded 25/501.1s1332 KiB
#include<bits/stdc++.h>
using namespace std;

vector<vector<bool>>r;
vector<vector<int>>g;
vector<bool>vis;

void dfs(int v)
{
    vis[v] = 1;
    for(int u : g[v]) if(!vis[u]) dfs(u);
}

signed main(){
    ios::sync_with_stdio(false);cin.tie(nullptr);
    int n, q; cin >> n >> q;
    g.resize(n); r.resize(n, vector<bool>(n));
    while(q--)
    {
        int t, x, y; cin >> t >> x >> y; --x; --y;
        if(t == 1)
        {
            if(!r[x][y])
            {
                g[x].push_back(y);
                r[x][y] = 1;
            }
        }
        else
        {
            if(r[x][y]) cout << "IGEN\n";
            else
            {
                vis.assign(n, 0);
                dfs(x);
                if(vis[y])
                {
                    r[x][y] = 1;
                    cout << "IGEN\n";
                }
                else cout << "NEM\n";
            }
        }
    }
}
SubtaskSumTestVerdictTimeMemory
subtask10/0
1Accepted1ms316 KiB
2Time limit exceeded1.077s572 KiB
subtask210/10
3Accepted2ms316 KiB
4Accepted4ms316 KiB
5Accepted16ms564 KiB
6Accepted13ms568 KiB
7Accepted14ms772 KiB
8Accepted1ms396 KiB
9Accepted1ms316 KiB
10Accepted4ms324 KiB
11Accepted13ms716 KiB
12Accepted13ms628 KiB
subtask315/15
13Accepted1ms316 KiB
14Accepted2ms316 KiB
15Accepted1ms316 KiB
16Accepted2ms316 KiB
17Accepted1ms324 KiB
18Accepted1ms500 KiB
19Accepted1ms316 KiB
20Accepted1ms344 KiB
21Accepted1ms332 KiB
22Accepted1ms316 KiB
23Accepted1ms316 KiB
24Accepted1ms608 KiB
25Accepted1ms500 KiB
26Accepted1ms504 KiB
27Accepted2ms316 KiB
28Accepted1ms424 KiB
29Accepted1ms316 KiB
30Accepted1ms316 KiB
31Accepted1ms316 KiB
32Accepted1ms508 KiB
33Accepted1ms316 KiB
34Accepted1ms404 KiB
35Accepted1ms316 KiB
36Accepted1ms316 KiB
37Accepted1ms316 KiB
38Accepted1ms316 KiB
subtask40/25
39Accepted1ms316 KiB
40Time limit exceeded1.1s704 KiB
41Accepted2ms316 KiB
42Accepted4ms316 KiB
43Accepted16ms564 KiB
44Accepted13ms568 KiB
45Accepted14ms772 KiB
46Accepted1ms396 KiB
47Accepted1ms316 KiB
48Accepted4ms324 KiB
49Accepted13ms716 KiB
50Accepted13ms628 KiB
51Accepted2ms316 KiB
52Accepted1ms316 KiB
53Accepted2ms316 KiB
54Accepted1ms324 KiB
55Accepted1ms500 KiB
56Accepted1ms316 KiB
57Accepted1ms344 KiB
58Accepted1ms332 KiB
59Accepted1ms316 KiB
60Accepted1ms316 KiB
61Accepted1ms608 KiB
62Accepted1ms500 KiB
63Accepted1ms504 KiB
64Accepted2ms316 KiB
65Accepted1ms424 KiB
66Accepted1ms316 KiB
67Accepted1ms316 KiB
68Accepted1ms316 KiB
69Accepted1ms508 KiB
70Accepted1ms316 KiB
71Accepted1ms404 KiB
72Accepted1ms316 KiB
73Accepted1ms316 KiB
74Accepted1ms316 KiB
75Accepted1ms316 KiB
76Accepted29ms836 KiB
77Accepted150ms496 KiB
78Time limit exceeded1.1s756 KiB
79Accepted167ms564 KiB
80Time limit exceeded1.087s564 KiB
81Accepted134ms564 KiB
82Accepted488ms564 KiB
83Accepted669ms560 KiB
84Time limit exceeded1.078s564 KiB
85Time limit exceeded1.08s764 KiB
86Accepted310ms824 KiB
87Time limit exceeded1.087s564 KiB
88Accepted742ms564 KiB
89Accepted888ms760 KiB
90Accepted64ms1332 KiB
91Time limit exceeded1.082s1076 KiB
92Accepted63ms1332 KiB
93Time limit exceeded1.082s1048 KiB
94Accepted63ms1120 KiB
95Time limit exceeded1.082s568 KiB
96Time limit exceeded1.083s1268 KiB
97Time limit exceeded1.085s1080 KiB
98Time limit exceeded1.082s568 KiB
99Time limit exceeded1.08s564 KiB
100Time limit exceeded1.08s816 KiB
101Time limit exceeded1.082s820 KiB
102Time limit exceeded1.085s680 KiB
103Time limit exceeded1.082s732 KiB
104Time limit exceeded1.087s756 KiB