Submission #1273665

#	Time	Username	Problem	Language	Result	Execution time	Memory
1273665		askeww	Bank (IZhO14_bank)	C++20	0 / 100	1 ms	572 KiB

bank

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

template<typename T>
using V = vector<T>;

const int INF = 1000000007;

int n, m;
V<int> a, b, p, l;

int main() {
    cin >> n >> m;

    a = V<int>(n);
    for (int i = 0; i < n; i++) cin >> a[i];
    a.push_back(INF);
    b = V<int>(n);
    for (int i = 0; i < m; i++) cin >> b[i];

    p = l = V<int>(1 << m, -1);
    p[0] = 0;
    l[0] = 0;
    for (int S = 0; S < 1 << m; S++) {
        if (p[S] == -1) continue;
        for (int i = 0; i < m; i++) {
            if (S & (1 << i)) continue;

            int nS = S ^ (1 << i), nl = l[S] + b[i], np = p[S] + (nl == a[p[S]]);
            if (nl > a[p[S]]) continue;
            if (nl == a[p[S]]) {
                if (np > p[nS]) {
                    p[nS] = np;
                    l[nS] = 0;
                }
            } else {
                if (np > p[nS] || (np == p[nS] && nl > l[nS])) {
                    p[nS] = np;
                    l[nS] = nl;
                }
            }
        }
    }

    cout << (p[(1 << m) - 1] == n ? "YES" : "NO") << endl;
}

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