leetcode- Rotate Image

Leetcode: https://leetcode.com/problems/rotate-image/description/ Given input matrix = [1,2,3], [4,5,6], [7,8,9] rotate the input matrix in-place such that it becomes: [7,4,1], [8,5,2], [9,6,3] (x, y), the affected point is (y, n – x – 1), (n – x – 1, n – y – 1), (n – y – 1, x),  “n” is the size of the matrix. … Continue reading leetcode- Rotate Image

LeetCode – Plus One

Given a non-negative integer represented as a non-empty array of digits, plus one to the integer. You may assume the integer do not contain any leading zero, except the number 0 itself. The digits are stored such that the most significant digit is at the head of the list. For example: Q1. int[] nums = {1,2,3,4}; int[] … Continue reading LeetCode – Plus One