Missing Number
Problem
Given an input 'n', you'll get first n natural numbers( i.e, from 1 to n) with one missing number. You've to find the missing number. For example, if you get input as 10, you'll get the below as input and here the missing number is 5.
Input : 10
1 6 4 9 2 3 10 8 7
Output : 5
Time Limit: 5
Memory Limit: 256
Source Limit:
