Submission #162233

#	Time	Username	Problem	Language	Result	Execution time	Memory
162233		mosiashvililuka	Bank (IZhO14_bank)	C++14	52 / 100	6 ms	508 KiB

bank

#include<bits/stdc++.h>
using namespace std;
int a,b,c,d,e,f[1009],g[1009],dp[22][(1<<21)],jm[(1<<21)];
vector <int> v[22];
int main(){
	ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
	cin>>a>>b;
	for(c=1; c<=a; c++) cin>>f[c];
	for(c=1; c<=b; c++) cin>>g[c];
	for(d=1; d<=(1<<b)-1; d++){
		for(c=1; c<=b; c++){
			if(((1<<(c-1))&d)!=0) jm[d]+=g[c];
		}
	}
	for(c=1; c<=a; c++){
		for(d=1; d<=(1<<b)-1; d++){
			if(jm[d]==f[c]) v[c].push_back(d);
		}
	}
	if(a==1){
		if(v[c].size()==0){
			cout<<"NO";
		}else{
			cout<<"YES";
		}
		return 0;
	}
	dp[0][0]=1;
	for(c=1; c<=a; c++){
		for(d=1; d<=(1<<b)-1; d++){
			for(e=0; e<v[c].size(); e++){
				if((v[c][e]&d)==v[c][e]&&dp[c-1][d-v[c][e]]==1){
					dp[c][d]=1;
					break;
				}
			}
		}
	}
	for(d=1; d<=(1<<b)-1; d++){
		if(dp[a][d]==1){
			cout<<"YES";
			return 0;
		}
	}
	cout<<"NO";
	return 0;
}

Compilation message (stderr)

bank.cpp: In function 'int main()':
bank.cpp:31:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(e=0; e<v[c].size(); e++){
             ~^~~~~~~~~~~~

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