Company: Texas
Difficulty: medium
Meeting People Frequently Problem Description "Meeting people frequently is the surest way to get re-elected", advised the party President, Margaret, one of the party's elected representatives, decided to take the advice seriously and embark on a tour of her constituency. On any given day, she can visit a particular street, where there were N houses. Instead of visiting them all, which would take a lot of time, she decided to randomly visit at least V and at most C consecutive houses on that street. Before starting off, she is wondering if there are multiple ways to select the houses for this "meet & greet". Write a program to help Margaret know how many different ways she can visit the houses. Read the input from STDIN and print the output to STDOUT. Do not write arbitrary strings anywhere in the program, as these contribute to the standard output and test cases will fail. Input Format A single line of input contains three space-separated integers N, C and V. Output Format Output shou