Allowed language: C language The output should be the same with example and please code correctly.please do not copy from other questions

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Allowed language: C language The output should be the same with example and please code correctly.please do not copy from other questions

 

Problem Statement
Write a C Program that will compute for npr (n taken r permutations).
Input
Input starts with a number N and is followed by N pairs of numbers in and r.
Output
Output n.Pr
Limits
1<N< 20
1 \le r \le n \le 1000000
Notes
Problems will have test cases that are not listed in their specification. Your solution must produce the right output for these hidden test cases.
Sample Input #1
41
43
93
22
9 10
Sample Output #1
4
24
584
2
not valid
Copy
Copy
Transcribed Image Text:Problem Statement Write a C Program that will compute for npr (n taken r permutations). Input Input starts with a number N and is followed by N pairs of numbers in and r. Output Output n.Pr Limits 1<N< 20 1 \le r \le n \le 1000000 Notes Problems will have test cases that are not listed in their specification. Your solution must produce the right output for these hidden test cases. Sample Input #1 41 43 93 22 9 10 Sample Output #1 4 24 584 2 not valid Copy Copy
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