C Programming

    Best Couple Event   "Shades" Television Channel organizes a fun-filled event named "Best Couple 2017", where in married couples would be invited and given many tasks and activities. Based on some criteria decided by the jury, a best couple will be chosen. N  couples registered for the event and each couple was given a registration number(it may repeat). One specific couple's registration Id got missed. The event coordinators wanted your help in finding the missing Id. Write a program which takes an array of registration numbers as input and outputs the missing registration Id. Input Format: First line of the input contains the number of couples N who registered for the event. Assume that the maximum value for N as 50. Second line of input contains N registration Id of each of the couple, separated by a space. Output Format: Output in a single line the missing registration Id. Refer sample input and output for formatting specifications. Sample Input 1: 3 1 2 ...