제출 #88652

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
88652		asifthegreat	Geppetto (COCI15_geppetto)	C++14	80 / 80	231 ms	524 KiB

geppetto

#include <bits/stdc++.h>
using namespace std;
 
int ans;
int n,m;
 
vector<int>subset;
vector<int>v[100];
int mp[2000000];
 
void go(int i)
{
    if(i == n+1){
        int size = subset.size();
        for(int i = 0; i < size;i++){
            for(int j = 0; j < size;j++){
                if(i == j)continue;
                if(find(v[subset[i]].begin(),v[subset[i]].end(),subset[j]) != v[subset[i]].end()){
                	ans--;return;
                }
            }
        }
        return;
    }
    if(i > 10000){
        cout << "sed  lyf\n";exit(0);
    }
    go(i+1);
    subset.push_back(i);
    go(i+1);
    subset.pop_back();
}
 
int main()
{   
    scanf("%d%d",&n,&m);
    //for(int i = 0; i <= n;i++)parent[i] = i;
    int a,b;
    ans = 1<<(n);
    //set<pair<int,int>>st;
    for(int i = 1; i <= m;i++){
        scanf("%d%d",&a,&b);
        v[a].push_back(b);
        v[b].push_back(a);
    }
    go(1);
    cout << ans << endl;
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

geppetto.cpp: In function 'int main()':
geppetto.cpp:36:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&m);
     ~~~~~^~~~~~~~~~~~~~
geppetto.cpp:42:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&a,&b);
         ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 80 / 80