Submission #541042

# Submission time Handle Problem Language Result Execution time Memory
541042 2022-03-22T07:02:01 Z AlperenT Kutije (COCI21_kutije) C++17
70 / 70
193 ms 9400 KB
#include <bits/stdc++.h>

using namespace std;

const int N = 1000 + 5;

int n, m, q, a, b, arr[N];

struct DSU{
    int par[N], stsize[N];

    DSU(){
        for(int i = 1; i < N; i++) par[i] = i, stsize[i] = 1;
    }

    int setfind(int a){
        if(par[a] == a) return a;
        else return par[a] = setfind(par[a]);
    }

    void setunion(int a, int b){
        a = setfind(a), b = setfind(b);

        if(a != b){
            if(stsize[b] > stsize[a]) swap(a, b);

            par[b] = par[a];
            stsize[a] += stsize[b];
        }
    }
};

DSU dsu;

int main(){
    ios_base::sync_with_stdio(false);cin.tie(NULL);

    cin >> n >> m >> q;

    for(int i = 1; i <= m; i++){
        for(int i = 1; i <= n; i++) cin >> arr[i];

        for(int i = 1; i <= n; i++) dsu.setunion(i, arr[i]);
    }

    while(q--){
        cin >> a >> b;

        if(dsu.setfind(a) == dsu.setfind(b)) cout << "DA\n";
        else cout << "NE\n";
    }
}
# Verdict Execution time Memory Grader output
1 Correct 80 ms 5584 KB Output is correct
2 Correct 80 ms 4856 KB Output is correct
3 Correct 71 ms 4552 KB Output is correct
4 Correct 88 ms 5724 KB Output is correct
5 Correct 93 ms 5580 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 360 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 360 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 80 ms 5584 KB Output is correct
2 Correct 80 ms 4856 KB Output is correct
3 Correct 71 ms 4552 KB Output is correct
4 Correct 88 ms 5724 KB Output is correct
5 Correct 93 ms 5580 KB Output is correct
6 Correct 2 ms 360 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 144 ms 9400 KB Output is correct
27 Correct 173 ms 9376 KB Output is correct
28 Correct 115 ms 7756 KB Output is correct
29 Correct 141 ms 9012 KB Output is correct
30 Correct 147 ms 8032 KB Output is correct
31 Correct 130 ms 8004 KB Output is correct
32 Correct 144 ms 9400 KB Output is correct
33 Correct 193 ms 9324 KB Output is correct
34 Correct 143 ms 9340 KB Output is correct
35 Correct 165 ms 9388 KB Output is correct