2019年5月14日
645. Set Mismatch
摘要： The set S originally contains numbers from 1 to n. But unfortunately, due to the data error, one of the numbers in the set got duplicated to another n 阅读全文
posted @ 2019-05-14 22:30 Veritas_des_Liberty 阅读(226) 评论(0) 推荐(0)
633. Sum of Square Numbers
摘要： Given a non-negative integer c, your task is to decide whether there're two integers a and b such that a2 + b2 = c. Example 1: Example 2: Approach #1: 阅读全文
posted @ 2019-05-14 21:23 Veritas_des_Liberty 阅读(203) 评论(0) 推荐(0)
592. Fraction Addition and Subtraction
摘要： Given a string representing an expression of fraction addition and subtraction, you need to return the calculation result in string format. The final 阅读全文
posted @ 2019-05-14 20:42 Veritas_des_Liberty 阅读(232) 评论(0) 推荐(0)
593. Valid Square
摘要： Given the coordinates of four points in 2D space, return whether the four points could construct a square. The coordinate (x,y) of a point is represen 阅读全文
posted @ 2019-05-14 20:05 Veritas_des_Liberty 阅读(174) 评论(0) 推荐(0)