Loading

Number of permutations

Kira Polyakova

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#

2 Replies

Know the answer? Post it — somebody with the same question will find it here.

Kira Polyakova13y ago
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!
Vulpes13y ago
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.