제출 #154044

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
154044		jvalsortav	Geppetto (COCI15_geppetto)	C++14	0 / 80	160 ms	65540 KiB

geppetto

#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <iostream>
#include <cctype>
#include <ctime>
#include <set>
#include <algorithm>
#include <vector>
#include <queue>
#include <stack>
#include <utility>
#include <string>
#include <map>
 
using namespace std;
 
int n, b, x, y, m, l;
vector <int> v;
 
int main() {
	
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	
	cin >> n;
	l = (1<<n);
	b = l;
	/*cout << s.size();*/
	cin >> m;
	
	for (int i = 0; i < m; i++){
		cin >> x >> y;
		for (int i = 0; i < l; i++){ 
			if (i&(1<<(x-1)) and i&(1<<(y-1))){
				/*cout << i << endl;*/
				v.push_back(i);
			}
		}
	}
	cout << l - v.size();
 
 
 
return 0;
}

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