[摘要] problem：There areNchildren standing in a line. Each child is assigned a rating value.You are giving candies to these children subjected to the followi[全文]
[摘要] problem：Given an array of integers, every element appearstwiceexcept for one. Find that single one.Note:Your algorithm should have a linear runtime co[全文]
[摘要] problem：Given an array of integers, every element appearsthreetimes except for one. Find that single one.Note:Your algorithm should have a linear runt[全文]
