256962026-02-26 14:47:15dfehervariBizonyításcpp17Wrong answer 0/502ms512 KiB
#include <iostream>
#include <vector>
#include <fstream>
#include <set>
using namespace std;
bool keres(vector<vector<int>>& kov,set<int>& halmaz, int mit, int hol){
    halmaz.insert(hol);

    if(kov[hol][0]==0) return false;
    for(int i=1;i<kov[hol].size();++i){
        if(kov[hol][i]==mit) return true;
    }
    for(int i=1;i<kov[hol].size();++i){
        if(halmaz.count(kov[hol][i])==0 && keres(kov,halmaz, mit, kov[hol][i])) return true;
    }
    return false;
}

int main(){
    ifstream file("be2.txt");
    set<int> halmaz;
    int N,Q,t,x,y;
    file>>N>>Q;
    N=N+1; //hogy 1-től indexelhessünk
    vector<vector<int>> kovetkeztetes(N,vector<int>(1,0));
    for(int i=0;i<Q;++i){
        file>>t>>x>>y;
        if(t==1) {
            kovetkeztetes[x].push_back(y);
            kovetkeztetes[x][0]+=1; 
        }
        else {
            halmaz.clear();
            if(keres(kovetkeztetes,halmaz, y,x)) cout<<"IGEN\n";
            else cout<<"NEM\n";
        }
            
    }
    

    return 0;
}
SubtaskSumTestVerdictTimeMemory
subtask10/0
1Wrong answer1ms508 KiB
2Wrong answer1ms316 KiB
subtask20/10
3Wrong answer1ms316 KiB
4Wrong answer1ms316 KiB
5Wrong answer1ms316 KiB
6Wrong answer1ms508 KiB
7Wrong answer1ms512 KiB
8Wrong answer1ms316 KiB
9Wrong answer1ms316 KiB
10Wrong answer1ms316 KiB
11Wrong answer1ms316 KiB
12Wrong answer1ms316 KiB
subtask30/15
13Wrong answer1ms324 KiB
14Wrong answer1ms500 KiB
15Wrong answer1ms316 KiB
16Wrong answer1ms316 KiB
17Wrong answer1ms316 KiB
18Wrong answer1ms508 KiB
19Wrong answer1ms316 KiB
20Wrong answer1ms500 KiB
21Wrong answer1ms316 KiB
22Wrong answer1ms316 KiB
23Wrong answer1ms332 KiB
24Wrong answer1ms500 KiB
25Wrong answer1ms384 KiB
26Wrong answer1ms316 KiB
27Wrong answer1ms360 KiB
28Wrong answer1ms316 KiB
29Wrong answer1ms316 KiB
30Wrong answer1ms316 KiB
31Wrong answer1ms316 KiB
32Wrong answer1ms316 KiB
33Wrong answer1ms316 KiB
34Wrong answer1ms500 KiB
35Wrong answer1ms316 KiB
36Wrong answer1ms316 KiB
37Wrong answer1ms316 KiB
38Wrong answer1ms500 KiB
subtask40/25
39Wrong answer1ms324 KiB
40Wrong answer1ms316 KiB
41Wrong answer1ms316 KiB
42Wrong answer1ms316 KiB
43Wrong answer1ms316 KiB
44Wrong answer1ms508 KiB
45Wrong answer1ms512 KiB
46Wrong answer1ms316 KiB
47Wrong answer1ms316 KiB
48Wrong answer1ms316 KiB
49Wrong answer1ms316 KiB
50Wrong answer1ms316 KiB
51Wrong answer1ms500 KiB
52Wrong answer1ms316 KiB
53Wrong answer1ms316 KiB
54Wrong answer1ms316 KiB
55Wrong answer1ms508 KiB
56Wrong answer1ms316 KiB
57Wrong answer1ms500 KiB
58Wrong answer1ms316 KiB
59Wrong answer1ms316 KiB
60Wrong answer1ms332 KiB
61Wrong answer1ms500 KiB
62Wrong answer1ms384 KiB
63Wrong answer1ms316 KiB
64Wrong answer1ms360 KiB
65Wrong answer1ms316 KiB
66Wrong answer1ms316 KiB
67Wrong answer1ms316 KiB
68Wrong answer1ms316 KiB
69Wrong answer1ms316 KiB
70Wrong answer1ms316 KiB
71Wrong answer1ms500 KiB
72Wrong answer1ms316 KiB
73Wrong answer1ms316 KiB
74Wrong answer1ms316 KiB
75Wrong answer1ms500 KiB
76Wrong answer1ms316 KiB
77Wrong answer1ms316 KiB
78Wrong answer1ms316 KiB
79Wrong answer1ms316 KiB
80Wrong answer1ms316 KiB
81Wrong answer1ms316 KiB
82Wrong answer1ms316 KiB
83Wrong answer1ms316 KiB
84Wrong answer1ms316 KiB
85Wrong answer1ms316 KiB
86Wrong answer1ms316 KiB
87Wrong answer1ms316 KiB
88Wrong answer1ms316 KiB
89Wrong answer1ms316 KiB
90Wrong answer1ms316 KiB
91Wrong answer1ms324 KiB
92Wrong answer1ms316 KiB
93Wrong answer1ms316 KiB
94Wrong answer2ms316 KiB
95Wrong answer1ms316 KiB
96Wrong answer1ms316 KiB
97Wrong answer1ms316 KiB
98Wrong answer1ms316 KiB
99Wrong answer1ms316 KiB
100Wrong answer1ms500 KiB
101Wrong answer1ms316 KiB
102Wrong answer1ms316 KiB
103Wrong answer1ms316 KiB
104Wrong answer1ms316 KiB