How many ways to write a number - MATLAB Cody - MATLAB Central

Problem 42781. How many ways to write a number

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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.
5 = 1 + 4
5 = 2 + 3
5 = 3 + 2
5 = 4 + 1
Solve

Solution Stats

34.72% Correct | 65.28% Incorrect
Last Solution submitted on Jul 31, 2024

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easy math poor_test_suite

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