Submission #226166

#	Time	Username	Problem	Language	Result	Execution time	Memory
226166		Minnakhmetov	Making Friends on Joitter is Fun (JOI20_joitter2)	C++14	1 / 100	55 ms	640 KiB

joitter2

#include <bits/stdc++.h>
using namespace std;
 
#define ll long long
#define all(aaa) aaa.begin(), aaa.end()

const int N = 51;
int gr[N][N];

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

    int n, m;
    cin >> n >> m;

    int ans = 0;

    for (int i = 0; i < m; i++) {
        int x, y;
        cin >> x >> y;
        x--, y--;

        if (!gr[x][y]) {
            gr[x][y] = true;
            ans++;

            bool work = true;
            while (work) {
                work = false;
                for (int x = 0; x < n; x++) {
                    for (int y = 0; y < n; y++) {
                        for (int z = 0; z < n; z++) {
                            if (z != x && gr[x][y] && gr[y][z] && gr[z][y] && !gr[x][z]) {
                                gr[x][z] = true;
                                work = true;
                                ans++;
                            }
                        }
                    }
                }
            }
        }

        cout << ans << "\n";
    }

    return 0;
}

• Subtask 1: 1 / 1
• Subtask 2: 0 / 16
• Subtask 3: 0 / 83