Submission #208409

#	Time	Username	Problem	Language	Result	Execution time	Memory
208409		DysonSphere	Geppetto (COCI15_geppetto)	C++14	80 / 80	22 ms	504 KiB

geppetto

#include<bits/stdc++.h>
using namespace std;
int main(){
	//freopen("in.txt","r",stdin);
	//freopen("out.txt","w",stdout);
	int n,m,ans=0;
	cin>>n>>m;
	pair<int,int> arr[m];
	for(int i=0;i<m;i++){
		cin>>arr[i].first;
		cin>>arr[i].second;
	}
	n=1<<n;
	for(int i=0;i<n;i++){
		ans++;
		for(int j=0;j<m;j++){
			if(((i&(1<<(arr[j].first-1)))!=0)&&((i&(1<<(arr[j].second-1)))!=0)){
				ans--;
				break;
			}
		}
	}
	cout<<ans;
}

• Subtask 1: 80 / 80