Submission #876407

#	Time	Username	Problem	Language	Result	Execution time	Memory
876407		JoksimKaktus	Kutije (COCI21_kutije)	C++17	70 / 70	119 ms	13748 KiB

Main

#include <bits/stdc++.h>

using namespace std;
using ll = long long;
void output(bool yes){yes ? cout << "Yes" << "\n" : cout << "No" << "\n";}

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(0);
    int n,m,q;
    cin >> n >> m >> q;
    vector <vector<int>>arr(n,vector<int>(m));
    for(int i = 0;i < m;i++){
        for(int j = 0;j < n;j++){
            cin >> arr[j][i];
            arr[j][i]--;
        }
    }
    vector <int> res(n,-1);
    for(int i = 0;i < n;i++){
        if(res[i] != -1)continue;
        queue <int> qu;
        qu.push(i);
        while(!qu.empty()){
            int j = qu.front();
            qu.pop();
            if(res[j] == i)continue;
            res[j]=i;
            for(int k : arr[j])qu.push(k);
        }
    }
    while(q--){
        int a,b;
        cin >> a >> b;
        a--;
        b--;
        if(res[a] == res[b]){
            cout << "DA\n";
        }else{
            cout << "NE\n";
        }
    }
    return 0;
}

• Subtask 1: 15 / 15
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 35 / 35