### Longest substring without repeat (C++)

Question : You are given a string str , you have to find the length of the longest substring which […]

Question : You are given a sorted array . In the array all elements appeared twice , and there is […]

Question : You are given an integer array .The given array is sorted but it is rotated . For example […]

Question : You are given an array which is sorted , Your task is to remove the duplicate elements and […]

Question : You are given a 2D matrix of mxn ; your task is to find if the given number […]

Question : You are given an array , You need to find out if there is an element which has […]

Question : You are given two integers , write a function to calculate x^n . Example : x=2 , n=`10 […]

Question : You are given an array . The array contains integer from 1 to n .The array contains n+1 […]

Question : You are given an array of integers.Your task is to find the contiguos subarry which has the largest […]

Question : A n*n matrix is given to you .You need to rotate the matrix in clockwise direction by 90 […]

Question : You are given an array of integers and an integer SUM.Your task is to deteremine whether or not […]

Question : You are give an array with integers , your task is to find the longest subarray within that […]

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