Submission #771806

#	Time	Username	Problem	Language	Result	Execution time	Memory
771806		Mohammad_Parsa	Making Friends on Joitter is Fun (JOI20_joitter2)	C++17	1 / 100	448 ms	468 KiB

joitter2

/* in the name of allah */
#include<bits/stdc++.h>
using namespace std;

#define endl '\n'
#define pb push_back
#define F first
#define S second
#define mk make_pair
typedef long long ll;

const int N=50+7;
int a[N][N];

int main(){
	ios:: sync_with_stdio(0),cin.tie(0),cout.tie(0);
	int n,q;
	cin>>n;
	cin>>q;
	int ans=0;
	while(q--){
		int v,u;
		cin>>v>>u;
		if(a[v][u]==0)ans++;
		a[v][u]=1;
		int k=1;
		while(k){
			k=0;
			for(int x=1;x<=n;x++){
				for(int y=1;y<=n;y++){
					for(int z=1;z<=n;z++){
						if(a[x][y] && z!=x && a[x][z]==0 && a[y][z] && a[z][y]){
							k=1;
							a[x][z]=1;
							ans++;
						}
					}
				}
			}
		}
		cout<<ans<<endl;
	}
}

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