Number of permutations

Question

Hello! Can you help me to create a programm,wich counts the number of permutations.
I want to use function "next_permutation".
Numbers must be entered from the keyboard(two number).
I will be grateful!!!!

C++ or C#

Kira Polyakova · Answer

Oh..i know that permutation of only two number is illogically =)) but my teacher gave this assignment and i have to do it =)) Thank you!

Vulpes · Answer

There's a simple example of using the next_permutation() function here: http://www.cplusplus.com/reference/algorithm/next_permutation/ But if only two numbers are to be input then there are only two possible permutations so you don't really need to use this function. This of course is C++ code. To my knowledge there is no equivalent of next_permutation in the .NET Framework used by C# though it would be possible to write one.