Submission #1001390

#	Time	Username	Problem	Language	Result	Execution time	Memory
1001390		cnn008	Bank (IZhO14_bank)	C++17	100 / 100	405 ms	193400 KiB

bank

#include "bits/stdc++.h"
using namespace std;

#ifdef N_N_C
#include "debug.h"
#else
#define cebug(...) "Arya"
#endif

#define int long long

const int N=1e5+5;
const int mod=1e9+7;

int n,m,a[25],b[25],dp[25][1<<20+2],cost[1<<20+2],p[25];
void sol(){
	cin>>n>>m;
	for(int i=1; i<=n; i++) cin>>a[i],p[i]=p[i-1]+a[i];
	for(int i=1; i<=m; i++) cin>>b[i];
	for(int mask=0; mask<(1<<m); mask++) for(int i=0; i<m; i++) if((mask>>i)&1) cost[mask]+=b[i+1];
	dp[0][0]=1;
	for(int i=1; i<=n; i++){
		for(int mask=1; mask<(1<<m); mask++){
			if(cost[mask]!=p[i]) continue;
			for(int mask2=mask; ; mask2=(mask2-1)&mask){
				if(dp[i-1][mask2] and cost[mask^mask2]==a[i]){
					dp[i][mask]=1;
					break;
				}
				if(!mask2) break;
			}
		}
	}
	for(int i=1; i<(1<<m); i++){
		if(dp[n][i]){
			cout<<"YES";
			return;
		}
	}
	cout<<"NO";
}
signed main(){
	ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    // freopen(".inp", "r", stdin);
    // freopen(".out", "w", stdout);
    int tt=1;
    //cin>>tt; 
    while(tt--){
    	sol();
    }
    cerr << "\nTime elapsed: " << 1000.0 * clock() / CLOCKS_PER_SEC << " ms.\n";
    return 0;
}
/**  /\_/\
*   (= ._.)
*   / >💖 \>💕
**/

Compilation message (stderr)

bank.cpp:55:9: warning: "/*" within comment [-Wcomment]
   55 | /**  /\_/\
      |          
bank.cpp:15:33: warning: suggest parentheses around '+' inside '<<' [-Wparentheses]
   15 | int n,m,a[25],b[25],dp[25][1<<20+2],cost[1<<20+2],p[25];
      |                               ~~^~
bank.cpp:15:47: warning: suggest parentheses around '+' inside '<<' [-Wparentheses]
   15 | int n,m,a[25],b[25],dp[25][1<<20+2],cost[1<<20+2],p[25];
      |                                             ~~^~

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