Problem 42781. How many ways to write a number

Created by Pritom Kumar Mondal

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Given two positive numbers n and k, where n>=k. In how many ways can we write n as sum of k positive numbers. Same numbers but different orders are considered different.

Example

For n=5, k=2 the answer is 4.

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Last solution submitted on Mar 31, 2019

Last 200 Solutions

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2 Comments

Anupam Agarwal on 22 Mar 2016

please correct the reference solution to com(x,k) instead of com(x)

Jihye Sofia Seo on 12 Feb 2017

Please correct test cases, the function should have 2 arguments.

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easy math poor_test_suite

Problem 42781. How many ways to write a number

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Last 200 Solutions

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Problem Recent Solvers10

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Problem 42781. How many ways to write a number

Solution Stats

Last 200 Solutions

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Problem Recent Solvers10

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