## First missing integer in an unsorted array

Posted onProblem statement – Given an unsorted integer array, find the first missing positive integer. Example, If A = [-1, 4, 2, 3, 5], missing integer = 1. If A = [1, 5, 2, 3, 4, 7], missing integer = 6. If A = [-1, -2, -3, -4], missing integer = 1. Clues – Your solution […]