Submission #951138

#	Time	Username	Problem	Language	Result	Execution time	Memory
951138		turbileg	Roses (BOI20_roses)	C++14	100 / 100	3 ms	600 KiB

Roses

#include <bits/stdc++.h>
#define ll long long

using namespace std;

int main() {
	ll n, s, p, k, m, t, q, x, y, ans, res;
	ll a, b, c, d;
	cin >> n >> a >> b >> c >> d;
	
	ll gc;
	gc = 1e5;

	ll mx1 = LONG_MAX;
	ll mx2 = LONG_MAX;
	for (int i = 0; i <= gc; i++) {
		ans = 0;
		s = n - i * a;
		ans += i * b;
		if (s > 0) {
			if (s % c != 0) ans += (s / c + 1) * d;
			else ans += s / c * d;
		}

		mx1 = min(mx1, ans);
	}

	gc = 1e5;

	for (int i = 0; i <= gc; i++) {
		ans = 0;
		s = n - i * c;
		ans += i * d;
		if (s > 0) {
			if (s % a != 0) ans += (s / a + 1) * b;
			else ans += s / a * b;
		}

		mx2 = min(mx2, ans);
	}

	ll mx = min(mx1, mx2);

	cout << mx << endl;

	return 0;
}

Compilation message (stderr)

Roses.cpp: In function 'int main()':
Roses.cpp:7:11: warning: unused variable 'p' [-Wunused-variable]
    7 |  ll n, s, p, k, m, t, q, x, y, ans, res;
      |           ^
Roses.cpp:7:14: warning: unused variable 'k' [-Wunused-variable]
    7 |  ll n, s, p, k, m, t, q, x, y, ans, res;
      |              ^
Roses.cpp:7:17: warning: unused variable 'm' [-Wunused-variable]
    7 |  ll n, s, p, k, m, t, q, x, y, ans, res;
      |                 ^
Roses.cpp:7:20: warning: unused variable 't' [-Wunused-variable]
    7 |  ll n, s, p, k, m, t, q, x, y, ans, res;
      |                    ^
Roses.cpp:7:23: warning: unused variable 'q' [-Wunused-variable]
    7 |  ll n, s, p, k, m, t, q, x, y, ans, res;
      |                       ^
Roses.cpp:7:26: warning: unused variable 'x' [-Wunused-variable]
    7 |  ll n, s, p, k, m, t, q, x, y, ans, res;
      |                          ^
Roses.cpp:7:29: warning: unused variable 'y' [-Wunused-variable]
    7 |  ll n, s, p, k, m, t, q, x, y, ans, res;
      |                             ^
Roses.cpp:7:37: warning: unused variable 'res' [-Wunused-variable]
    7 |  ll n, s, p, k, m, t, q, x, y, ans, res;
      |                                     ^~~

• Subtask 1: 20 / 20
• Subtask 2: 80 / 80