#include <algorithm> #include <iostream> using namespace std; int n, m, a, b, c, d, x, y, z; int main() { cin >> n >> m >> a >> b >> c >> d >> x >> y >> z; int max_ = INT_MIN; int left = n / c, right = m / d; for (int i = 0; i <= left; ++i) { for (int j = 0; j <= right; ++j) { int k = min((n - i * c) / a, (m - j * d) / b); max_ = max(max_, k * x + i * z + j * y); } } cout << max_ << endl; return 0; } 贴个简单的