Submission #887534

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
887534	2023-12-14 17:30:05	rainboy	Cooking (innopolis2018_final_B)	C11	100 / 100	1 ms	420 KiB

B

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#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;
}
 
 
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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