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Problem Statement: You are given an element, you need to insert it at the end of the stach without using any data structure. Solution Solution…

Problem Statement: You are given an postfix expression, you need to evaluate that expression. Postfix expressions are in the form of a b op.…

Problem Statement: you are given an array, you need to get the next greater element for every element in the array. The next greater element…

Problem Statement: Given a string that has parenthesis. You need to check if it is balanced or not. Example Input: exp = “[()]{}{[()()]()}”…

Problem Statement: You are given a stack, you need to delete the middle element from it. You should delete the middle element without using…

Problem Statement: You need to create a data structure called two_stacks that represents 2 stacks. It should use only one array. Both stacks…

Problem Statement: You are given an m*n matrix, each cell has an integer. You need to return the path with maximum sum. You can start at any…

Problem Statement: You are given an integer array and an integer K, you need to return true if you are able to divide the Example Input:…

Problem Statement: You are given an n * n chessboard, you need to return the number of queens possible in the chess board. Example n = 4…

Problem Statement: You are given 2 values, low, high. You need to find the sequential digits, where one number is more than the previous…