Submission #1198757

#	Time	Username	Problem	Language	Result	Execution time	Memory
1198757		THXuan	Geppetto (COCI15_geppetto)	C++20	32 / 80	1099 ms	49372 KiB

geppetto

#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <queue>
#include <set>
#include <map>
#define INF 1e9
using namespace std;
typedef long long ll;
const ll MAXN = 100005;

void solve()
{
	int n, m; cin >> n >> m;
	int ans = (1 << n);
	map<int, int>vis;
	for (int i = 0; i < m; i++) {
		int u, v; cin >> u >> v; --u; --v;
		for (int mask = 0; mask < (1 << n); mask++) {
			if (mask & (1 << u) && mask & (1 << v))vis[mask]++;
		}
	}
	cout << ans - vis.size() << "\n";
}

int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int t = 1;// cin>>t;
	while (t--) solve();
	return 0;
}

• Subtask 1: 32 / 80