Submission #916604

#	Time	Username	Problem	Language	Result	Execution time	Memory
916604		atom	Bank (IZhO14_bank)	C++17	19 / 100	1 ms	348 KiB

bank

#include "bits/stdc++.h"
// @JASPER'S BOILERPLATE
using namespace std;
using ll = long long;

#ifdef JASPER
#include "debug.h"
#else
#define debug(...) 166
#endif

const int N = 22;
int n, m;
int a[N], b[N];

bool dp[N][1 << N];
// dp(i, x): (1..i person with mask x of bank notes);
signed main() {
    cin.tie(0) -> sync_with_stdio(0);
    
    cin >> n >> m;
    for (int i = 1; i <= n; ++i) cin >> a[i];
    for (int j = 1; j <= m; ++j) cin >> b[j];
    
    if (n == 1) {
        int sum = a[1];
        vector <int> f(sum + 5, 0);
        f[0] = 1;
        for (int j = 1; j <= m; ++j) {
            for (int x = sum; x >= 0; --x)
                if (x >= b[j])
                    f[x] |= f[x - b[j]];
        }
        cout << (f[sum]? "YES\n" : "NO\n");
    }
    else cout << "NO\n";
}

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