Submission #677326

#	Time	Username	Problem	Language	Result	Execution time	Memory
677326		sofija6	Bank (IZhO14_bank)	C++14	100 / 100	100 ms	16832 KiB

bank

#include <bits/stdc++.h>
#define ll long long
#define MAXN (1<<20)+2
using namespace std;
ll a[30],b[30];
pair<ll,ll> dp[MAXN];
int main()
{
    ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    ll n,m;
    cin >> n >> m;
    for (ll i=1;i<=n;i++)
        cin >> a[i];
    for (ll i=0;i<m;i++)
        cin >> b[i];
    for (ll i=0;i<(1<<m);i++)
    {
        if (dp[i].first==n)
        {
            cout << "YES\n";
            return 0;
        }
        for (ll j=0;j<m;j++)
        {
            if (((1<<j)&i)!=0)
                continue;
            if (dp[i].second+b[j]==a[dp[i].first+1])
            {
                if (dp[i].first+1>=dp[i|(1<<j)].first)
                    dp[i|(1<<j)]={dp[i].first+1,0};
                continue;
            }
            else if (dp[i].first>=dp[i|(1<<j)].first)
                dp[i|(1<<j)]={dp[i].first,dp[i].second+b[j]};
        }
    }
    cout << "NO\n";
    return 0;
}

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