Submission #1010910

#	Time	Username	Problem	Language	Result	Execution time	Memory
1010910		lsdwpqer	Bank (IZhO14_bank)	C++14	100 / 100	108 ms	16984 KiB

bank

#include<bits/stdc++.h>
using namespace std;
#define ll long long

int main(){
ll n,m;
cin >> n >> m;
ll a[n],b[m];
for(int i = 0;i< n;i++)cin >> a[i];
for(int i = 0;i< m;i++)cin >> b[i];
ll dp[1<<m][2];
for(int i = 0;i< (1<<m);i++){
    ll p = i;
    ll k = 0;
    dp[i][0] = 0;
    dp[i][1] = 0;
    while(p > 0){
        if(p%2 == 1){
            ll x = dp[i][0];
            ll y = dp[i-(1<<k)][0];
            ll u = dp[i][1];
            ll v = dp[i-(1<<k)][1];
            if(x < y+1 && v+b[k] == a[y]){
                dp[i][0] = y+1;
                dp[i][1] = 0;
            }
            if(x < y && v+b[k] < a[y]){
                dp[i][0] = y;
                dp[i][1] = v+b[k];
            }
            if(x == y && v+b[k] < a[y]){
                dp[i][1] = max(v+b[k],u);
            }

        }
    p/=2;
    k++;
    }


}
ll res = 0;
for(int i = 0;i <(1<<m);i++){
    res = max(res,dp[i][0]);
}
if(res == n)cout << "YES" << endl;
else cout << "NO" << endl;















}

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