250612026-02-17 17:23:54zhuyiBizonyításcpp17Time limit exceeded 25/501.093s3124 KiB
#include <bits/stdc++.h>
using namespace std;

int n,q;
vector <bool> vis;
vector <vector <int>> g;
vector <vector <bool>> kov;

void dfs(int u, int r)
{
    vis[u] = true;
    for(auto v : g[u]){
        kov[r][u] = true;
        if(!vis[v]){
            dfs(v,r);
        }
    }
}

int32_t main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cin >> n >> q;
    kov.resize(n+1, vector <bool>(n+1,false));
    g.resize(n+1, vector <int>(n+1));
    while(q--){
        int t,x,y; cin >> t >> x >> y;
        if(t == 1){
            g[x].push_back(y);
            kov[x][y] = true;
        }
        else if(t==2){
            vis.assign(n+1, false);
            if(kov[x][y]) cout << "IGEN\n";
            else{
                dfs(x,x);
                if(kov[x][y]) cout << "IGEN\n";
                else cout << "NEM\n";
            }
        }
    }
    return 0;
}
SubtaskSumTestVerdictTimeMemory
subtask10/0
1Accepted1ms316 KiB
2Accepted901ms3124 KiB
subtask210/10
3Accepted2ms316 KiB
4Accepted7ms568 KiB
5Accepted87ms2616 KiB
6Accepted28ms1588 KiB
7Accepted39ms1480 KiB
8Accepted4ms820 KiB
9Accepted1ms316 KiB
10Accepted8ms740 KiB
11Accepted28ms1192 KiB
12Accepted89ms2172 KiB
subtask315/15
13Accepted1ms508 KiB
14Accepted2ms316 KiB
15Accepted1ms316 KiB
16Accepted2ms440 KiB
17Accepted1ms316 KiB
18Accepted1ms316 KiB
19Accepted1ms316 KiB
20Accepted1ms316 KiB
21Accepted1ms508 KiB
22Accepted1ms440 KiB
23Accepted2ms316 KiB
24Accepted1ms316 KiB
25Accepted1ms500 KiB
26Accepted2ms536 KiB
27Accepted1ms508 KiB
28Accepted1ms316 KiB
29Accepted1ms584 KiB
30Accepted1ms316 KiB
31Accepted1ms316 KiB
32Accepted1ms316 KiB
33Accepted1ms316 KiB
34Accepted1ms316 KiB
35Accepted1ms316 KiB
36Accepted3ms316 KiB
37Accepted1ms316 KiB
38Accepted1ms316 KiB
subtask40/25
39Accepted1ms508 KiB
40Accepted901ms3112 KiB
41Accepted2ms316 KiB
42Accepted7ms568 KiB
43Accepted87ms2616 KiB
44Accepted28ms1588 KiB
45Accepted39ms1480 KiB
46Accepted4ms820 KiB
47Accepted1ms316 KiB
48Accepted8ms740 KiB
49Accepted28ms1192 KiB
50Accepted89ms2172 KiB
51Accepted2ms316 KiB
52Accepted1ms316 KiB
53Accepted2ms440 KiB
54Accepted1ms316 KiB
55Accepted1ms316 KiB
56Accepted1ms316 KiB
57Accepted1ms316 KiB
58Accepted1ms508 KiB
59Accepted1ms440 KiB
60Accepted2ms316 KiB
61Accepted1ms316 KiB
62Accepted1ms500 KiB
63Accepted2ms536 KiB
64Accepted1ms508 KiB
65Accepted1ms316 KiB
66Accepted1ms584 KiB
67Accepted1ms316 KiB
68Accepted1ms316 KiB
69Accepted1ms316 KiB
70Accepted1ms316 KiB
71Accepted1ms316 KiB
72Accepted1ms316 KiB
73Accepted3ms316 KiB
74Accepted1ms316 KiB
75Accepted1ms316 KiB
76Accepted39ms836 KiB
77Accepted254ms1512 KiB
78Accepted591ms2304 KiB
79Accepted207ms1332 KiB
80Accepted398ms1844 KiB
81Accepted52ms844 KiB
82Accepted90ms820 KiB
83Accepted123ms1076 KiB
84Accepted282ms1648 KiB
85Accepted483ms2100 KiB
86Accepted118ms1076 KiB
87Accepted425ms1824 KiB
88Accepted195ms1332 KiB
89Accepted230ms1332 KiB
90Accepted796ms2456 KiB
91Accepted518ms2868 KiB
92Accepted797ms2356 KiB
93Accepted492ms2356 KiB
94Accepted800ms2468 KiB
95Time limit exceeded1.085s1844 KiB
96Time limit exceeded1.077s2100 KiB
97Time limit exceeded1.082s2356 KiB
98Time limit exceeded1.082s1844 KiB
99Time limit exceeded1.085s2156 KiB
100Time limit exceeded1.08s2100 KiB
101Time limit exceeded1.085s2100 KiB
102Time limit exceeded1.082s2360 KiB
103Time limit exceeded1.093s2356 KiB
104Time limit exceeded1.075s2100 KiB