James Pan

原题网址：https://leetcode.com/problems/strobogrammatic-number-ii/ A strobogrammatic number is a number that looks the same when rotated 180 degrees (looked at upside down). Find all strobogrammati

原题网址：https://leetcode.com/problems/rotate-list/ Given a list, rotate the list to the right by k places, where k is non-negative. For example: Given 1->2->3->4->5->NULL and k = 2, return 4-

原题网址：https://leetcode.com/problems/spiral-matrix/ Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. For example, Given the following mat

原题网址：https://leetcode.com/problems/rotate-image/ You are given an n x n 2D matrix representing an image. Rotate the image by 90 degrees (clockwise). Follow up: Could you do this in-place?

原题网址：https://leetcode.com/problems/search-in-rotated-sorted-array/ Suppose a sorted array is rotated at some pivot unknown to you beforehand. (i.e., 0 1 2 4 5 6 7 might become 4 5 6 7 0 1 2)

原题网址：https://leetcode.com/problems/strobogrammatic-number/ A strobogrammatic number is a number that looks the same when rotated 180 degrees (looked at upside down). Write a function to determ

原题网址：https://leetcode.com/problems/rotate-array/ Rotate an array of n elements to the right by k steps. For example, with n = 7 and k = 3, the array [1,2,3,4,5,6,7] is rotated to [5,6,7,1,2,

原题网址：https://leetcode.com/problems/find-minimum-in-rotated-sorted-array/ Suppose a sorted array is rotated at some pivot unknown to you beforehand. (i.e., 0 1 2 4 5 6 7 might become 4 5 6 7

原题网址：https://leetcode.com/problems/find-minimum-in-rotated-sorted-array-ii/ Follow up for "Find Minimum in Rotated Sorted Array": What if duplicates are allowed? Would this affect the run-time

原题网址：https://www.hackerrank.com/challenges/matrix-rotation-algo You are given a 2D matrix, a, of dimension MxN and a positive integer R. You have to rotate the matrix R times and print th