Grandyang

摘要： You are given two strings of the same length `s` and `t`. In one step you can choose **any character** of `t` and replace it with **another character* 閱讀全文

摘要： Given an array `arr` of integers, check if there exist two indices `i` and `j` such that : - `i != j` - `0 這道題給了一個(gè)整型數(shù)組，讓檢測是否有一個(gè)數(shù)字和其倍數(shù)同時(shí)存在的情況。一看到這道題博主就 閱讀全文