Submission #590798

#	Time	Username	Problem	Language	Result	Execution time	Memory
590798		Mazaalai	Bank (IZhO14_bank)	C++17	100 / 100	115 ms	8492 KiB

bank

#include <bits/stdc++.h>
#define f first
#define s second
using namespace std;
using I=int;
bool done;
I main(){I n,m,i,j;cin>>n>>m;I a[n],b[m];pair<I,I>dp[1<<m];for(i=0;i<n;i++)cin>>a[i];for(i=0;i<m;i++)cin>>b[i];sort(a,a+n);sort(b,b+m);dp[0]={0,0};for(i=1;i<(1<<m)&&!done;i++){dp[i]={0,0};for(j=0;j<m;j++){if(!(i&(1<<j))||dp[i].f>dp[i^(1<<j)].f)continue;pair<I,I>&tmp=dp[i^(1<<j)];if(tmp.f>dp[i].f)dp[i]=tmp;if(a[tmp.f]>=b[j]+tmp.s&&dp[i].s<b[j]+tmp.s)dp[i].s=b[j]+tmp.s;}if(dp[i].s==a[dp[i].f])dp[i]={dp[i].f+1,0};done|=dp[i].f==n;}cout<<(done?"YES":"NO")<<"\n";}

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