제출 #852638

#제출 시각아이디문제언어결과실행 시간메모리
852638btkhg은행 (IZhO14_bank)C++14
100 / 100
158 ms600 KiB
#include<bits/stdc++.h>
using namespace std;
int a[21],b[21],n,m;
void dfs(int x,int sum,int state,int k,int num)
{
    int i;
    if(x>n)
    {
        cout<<"YES";
        exit(0);
    }
    if(sum==0)
    {
        dfs(x+1,a[x+1],state,0,num);
        return;
    }
    for(i=k;i<m;i++)
    {
        if(m-num-1<n-x) break;
        if(state&(1<<i) || sum<b[i]) continue;
        dfs(x,sum-b[i],state+(1<<i),i+1,num+1);
    }
}
int main()
{
    int i;
    scanf("%d %d",&n,&m);
    for(i=1;i<=n;i++) cin>>a[i];
    for(i=0;i<m;i++) cin>>b[i];
    dfs(1,a[1],0,0,0);
    cout<<"NO";
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

bank.cpp: In function 'int main()':
bank.cpp:27:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   27 |     scanf("%d %d",&n,&m);
      |     ~~~~~^~~~~~~~~~~~~~~
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