Submission #940799

#	Time	Username	Problem	Language	Result	Execution time	Memory
940799		rainboy	Cookie Clicker Alpha (GCJ14_cookie)	C11	19 / 19	1 ms	348 KiB

cookie

#include <math.h>
#include <stdio.h>

int main() {
	int t, _;

	scanf("%d", &t);
	for (_ = 1; _ <= t; _++) {
		double c, f, x, p, q, ans;
		int k, h;

		scanf("%lf%lf%lf", &c, &f, &x);
		p = (x - c) * f - c * 2, q = c * f;
		k = p < 0 ? 0 : ceil(p / q);
		ans = 0;
		for (h = 0; h < k; h++)
			ans += c / (f * h + 2);
		ans += x / (f * k + 2);
		printf("Case #%d: %.12f\n", _, ans);
	}
	return 0;
}

Compilation message (stderr)

cookie.c: In function 'main':
cookie.c:7:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |  scanf("%d", &t);
      |  ^~~~~~~~~~~~~~~
cookie.c:12:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |   scanf("%lf%lf%lf", &c, &f, &x);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 11 / 11