LeetCode 60 problems ~2日目~ - Qiitaはじめに 今日ももくもくやっていきたいと思います。今回は、シンプルな問題が多かったです。 String to Integer (atoi) Implement atoi which converts a string to an integer. The function first discards as many whitespace characters as necessary until the first non-whitespace character is found. Then, starting from this character, takes an optional initial plus or minus sign followed by as many numerical digits as possible, and interprets them as
