SillyVicky

摘要： Problem: Given an array of integers and an integer k, find out whether there are two distinct indices i and j in the array such that nums[i] = nums[j] 阅读全文

摘要： Problem: Given numRows, generate the first numRows of Pascal's triangle. For example, given numRows = 5,Return Summary: 输出杨辉三角的前n行。 Solution: 方法类似于Lee 阅读全文