Submission #39084

#	Time	Username	Problem	Language	Result	Execution time	Memory
39084		mrtsima22	은행 (IZhO14_bank)	C++14	0 / 100	4 ms	840 KiB

bank

#include <bits/stdc++.h>
using namespace std;
#define lo long
lo b[100003],n,m,s[100003],sum[100003];
lo g[100003],d[23][100003],jam[100003];
string ans="NO";
int main(){std::ios::sync_with_stdio(false);
cin>>n>>m;
for(lo i=0;i<n;i++)
{
	cin>>b[i];
	sum[i]=sum[i-1]+b[i];
}
for(lo i=0;i<m;i++)
{
	cin>>g[i];
}
for(lo i=0;i<(1<<m);i++)
{
	for(lo j=0;j<m;j++)
	{
		if(!((i>>j)&1))
		{
			jam[i|(1<<j)]=jam[i]+g[j];
		}
	}
}
d[0][0]=1;
for(lo i=0;i<=n;i++)
{
	for(lo j=0;j<(1<<m);j++)
	{
		if(!d[i][j])
		{
			continue;
		}
		if(i==n)
		{
			ans="YES";
			break;
		}
		if(sum[i]==jam[i])
		{
			d[i+1][j]=1;
		}
		for(lo t=0; t<m; t++)
		{
			if(!((j>>t)&1))
			{
				d[i][j|(1<<t)]=1;		
			}
		}
	}
}
cout<<ans<<endl;
}
/*

                   *         *
                  * *       * *
                 *   *     *   *
                *     *   *     *
               *       * *       *
               *        *        *
                *               *
                 *             *
                  *           *
                   *         *
                    *       *
                     *     *
                      *   *
                       * *
                        *



*/

• Subtask 1: 0 / 19
• Subtask 2: 0 / 25
• Subtask 3: 0 / 27
• Subtask 4: 0 / 29