摘要： 原题链接在这里：https://leetcode.com/problems/number-of-1-bits/ 题目： Write a function that takes an unsigned integer and return the number of '1' bits it has ( 阅读全文

摘要： 原题链接在这里：https://leetcode.com/problems/dungeon-game/ 题目： The demons had captured the princess (P) and imprisoned her in the bottom-right corner of a du 阅读全文