Submission #727933

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
727933	2023-04-21 15:41:20	rainboy	CATS (NOI14_cats)	C11	25 / 25	73 ms	2200 KiB

cats

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#include <stdio.h>
int count(long long b) {
  return b == 0 ? 0 : count(b & b - 1) + 1;
}
int main() {
  int t;
  scanf("%d", &t);
  while (t--) {
    long long k, l, n, d;
    scanf("%lld%lld%lld", &k, &l, &n), k--, d = (l + n * 2) / (n * 2);
    printf("%lld\n", d * n * 2 + count(d >= 60 ? k : k % (1LL << d + 1)) % 2);
  }
  return 0;
}
 
 
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Compilation message (stderr)

cats.c: In function 'count':
cats.c:4:34: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
    4 |  return b == 0 ? 0 : count(b & b - 1) + 1;
      |                                ~~^~~
cats.c: In function 'main':
cats.c:15:66: warning: suggest parentheses around '+' inside '<<' [-Wparentheses]
   15 |   printf("%lld\n", d * n * 2 + count(d >= 60 ? k : k % (1LL << d + 1)) % 2);
      |                                                                ~~^~~
cats.c:10:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |  scanf("%d", &t);
      |  ^~~~~~~~~~~~~~~
cats.c:14:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |   scanf("%lld%lld%lld", &k, &l, &n), k--, d = (l + n * 2) / (n * 2);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 4 / 4
• Subtask 3: 4 / 4
• Subtask 4: 4 / 4
• Subtask 5: 4 / 4
• Subtask 6: 5 / 5