C – Multiply integers without using multiply operation
Sometimes we need to write code that should be very fast. Normally multiply/divide instructions are not so fast in C as compared to plus/minus instruction. Today, we will learn to…
Why we have “Volatile” in C?
"Volatile" is a qualifier in C. It is intended to prevent the optimization of the object that can change in manners that cannot be determined by compiler. The best example…
Leet code | Problem 4: Median of Two Sorted Arrays
Given two sorted arrays nums1 and nums2 of size m and n respectively, return the median of the two sorted arrays. The overall run time complexity should be O(log (m+n)).
Leet code | Problem 3: Longest Substring Without Repeating Characters
Given a string s, find the length of the longest substring without repeating characters.
Leet code | Problem 2: Add Two Numbers
NOTE: This problem is generated by LeetCode. TakeTheNotes has given only solution for educational purpose. Problem Name: Add Two Numbers Description: You are given two non-empty linked lists representing two…
Leet code | Problem 1: Two-sum
NOTE: This problem is generated by LeetCode. TakeTheNotes has given only solution for educational purpose. Problem Name: Two Sum Description: Given an array of integers nums and an integer target, return indices of the…