oj.uz

Submission #603947

# Submission time Handle Problem Language Result Execution time Memory
603947 2022-07-24T13:48:35 Z inksamurai Geppetto (COCI15_geppetto) C++17
80 / 80
 23 ms 4436 KB 
#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define rng(i,c,n) for(int i=(c);i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define vec(...) vector<__VA_ARGS__>
#define _3aFGabX ios::sync_with_stdio(0),cin.tie(0)
typedef long long ll;
using pii=pair<int,int>;
using vi=vector<int>;
void print(){cout<<'\n';}
template<class h,class...t>
void print(const h&v,const t&...u){cout<<v<<' ',print(u...);}
// e

signed main(){
_3aFGabX;
	int n,m;
	cin>>n>>m;
	vi dp(1<<n);
	rep(i,m){
		int u,v;
		cin>>u>>v;
		u-=1,v-=1;
		dp[(1<<u)|(1<<v)]=1;
	}
	rep(j,n){
		rep(msk,(1<<n)){
			if(msk>>j&1){
				dp[msk]+=dp[msk^(1<<j)];
			}
		}
	}
	int res=0;
	rep(msk,(1<<n)){
		res+=(dp[msk]==0);
	}
	print(res);
}

Subtask #1
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 220 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 20 ms 4420 KB Output is correct
4 Correct 20 ms 4436 KB Output is correct
5 Correct 23 ms 4436 KB Output is correct
6 Correct 19 ms 4420 KB Output is correct
7 Correct 20 ms 4436 KB Output is correct
8 Correct 19 ms 4436 KB Output is correct
9 Correct 20 ms 4436 KB Output is correct
10 Correct 20 ms 4436 KB Output is correct