Submission #392308

#	Time	Username	Problem	Language	Result	Execution time	Memory
392308		rainboy	Friend (IOI14_friend)	C11	53 / 100	34 ms	4172 KiB

friend

Compilation message (stderr)

friend.c: In function 'append':
friend.c:16:23: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
   16 |  if (o >= 2 && (o & o - 1) == 0)
      |                     ~~^~~

• Subtask 1: 11 / 11
• Subtask 2: 0 / 8
• Subtask 3: 0 / 8
• Subtask 4: 19 / 19
• Subtask 5: 23 / 23
• Subtask 6: 0 / 31