Allowed languagesсProblem StatementWrite a C Program that will compute for npr (n taken rpermutations).InputInput starts with a number N and is followed by N pairs ofnumbers n and r.OutputOutput n.PrLimits1 < N < 201 \le r \le n \le 1000000NotesProblems will have test cases that are not listed in theirspecification. Your solution must produce the right output forthese hidden test cases.Sample Input #154 1439 3229 10Sample Output #14245042not validCopyCopy

here in this question we have asked to write a program in c which take n and r as input calculate…

Answered: 4 24 504 2 not valid

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4 24 504 2 not valid

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Allowed languages
с
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 n 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
5
4 1
43
9 3
22
9 10
Sample Output #1
4
24
504
2
not valid
Copy
Copy

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