771. Jewels and Stones-宝石与石头
You’re given strings jewels representing the type... » 阅读全文
766. Toeplitz Matrix-托普利茨矩阵
Given an m x n matrix, return true if the matrix is Toe... » 阅读全文
762. Prime Number of Set Bits in Binary Representation-二进制表示中质数个计算置位
Given two integers L and R, find the count of numbers i... » 阅读全文
747. Largest Number At Least Twice of Others-至少是其他数字两倍的最大数
In a given integer array nums, there is always exactly ... » 阅读全文
746. Min Cost Climbing Stairs-使用最小花费爬楼梯
On a staircase, the i-th step has some non-negative cos... » 阅读全文
744. Find Smallest Letter Greater Than Target-寻找比目标字母大的最小字母
Given a list of sorted characters letters containing on... » 阅读全文
733. Flood Fill-图像渲染
An image is represented by a 2-D array of integers, eac... » 阅读全文
728. Self Dividing Numbers-自除数
A self-dividing number is a number that is divisible by... » 阅读全文
709. To Lower Case-转换成小写字母
Implement function ToLowerCase() that has a string para... » 阅读全文
704. Binary Search-二分查找
Given a sorted (in ascending order) integer array nums ... » 阅读全文