Submission #659116

#TimeUsernameProblemLanguageResultExecution timeMemory
659116amirhoseinfar1385Bank (IZhO14_bank)C++17
100 / 100
181 ms8744 KiB
#include<bits/stdc++.h> using namespace std; int n,m; int main(){ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin>>n>>m; vector<int>alln(n),allm(m); vector<int>ps((1<<m)),dp((1<<m),1); for(int i=0;i<n;i++){ cin>>alln[i]; } for(int i=0;i<m;i++){ cin>>allm[i]; } vector<int>dpp[n]; for(int i=1;i<(1<<m);i++){ for(int h=0;h<m;h++){ if((i>>h)&1){ ps[i]+=allm[h]; } } for(int h=0;h<n;h++){ if(ps[i]==alln[h]){ dpp[h].push_back(i); } } } int now=0; for(int w=0;w<n;w++){ now+=alln[w]; for(int i=(1<<m)-1;i>=0;i--){ if(ps[i]!=now){ dp[i]=0; continue; } int f=0; for(auto x:dpp[w]){ if((x&i)==x){ if(dp[i^x]==1){ f=1; break; } } } dp[i]=f; } } int res=0; for(int i=0;i<(1<<m);i++){ if(dp[i]==1){ res=1; break; } } if(res==1){ cout<<"YES"<<endl; }else{ cout<<"NO"<<endl; } }
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