write a programm in C language and a short explain on how the codo works

Problem 1 - Download Percentage You are given the sizes of n items and their downloaded amounts. Find the one whose remaining download percentage is the smallest. Input specification: You will be first given an integer (n), then in the following n lines you will be given two integers. The size of the file and the downloaded amount. Output specification: Show one floating point number with two-digits precision: The remaining percentage of the file whose remaining download percentage is the smallest. Sample Output: 60.00 Sample Input 1: 5 50 30 70 60 80 40 90 70 30 10 Sample Output 1: Sample Input 2: 14.29 4 60 10 50 20 100 20 30 10