Submission #887534

#	Time	Username	Problem	Language	Result	Execution time	Memory
887534		rainboy	Cooking (innopolis2018_final_B)	C11	100 / 100	1 ms	420 KiB

B

#include <stdio.h>

int main() {
	long long k, d, t, q, r, ans2;

	scanf("%lld%lld%lld", &k, &d, &t), d *= (k + d - 1) / d, t *= 2;
	q = t / (k + d), r = t % (k + d);
	ans2 = q * d * 2 + (r <= k * 2 ? r : (r - k) * 2);
	printf("%lld.%d\n", ans2 / 2, ans2 % 2 == 0 ? 0 : 5);
	return 0;
}

Compilation message (stderr)

B.c: In function 'main':
B.c:6:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 |  scanf("%lld%lld%lld", &k, &d, &t), d *= (k + d - 1) / d, t *= 2;
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 24 / 24
• Subtask 2: 21 / 21
• Subtask 3: 27 / 27
• Subtask 4: 28 / 28