Cody

Problem 793. Combinations without using nchoosek

Solution 2763670

Submitted on 31 Jul 2020 by Raghunadh N
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

Test Suite

Test Status Code Input and Output
1   Pass
n = 3; y_correct = nchoosek(1:n,2); assert(isequal(your_fcn_name(n),y_correct)) % Prevents cheating filetext = fileread('your_fcn_name.m') assert(isempty(strfind(filetext, 'nchoosek')))

filetext = 'function ans = your_fcn_name(n) []; for k=1:n-1 [ans; ones(n-k,1)*k (1+k:n)']; end end %This code written by profile_id 11005821 '

2   Pass
n = 25; y_correct = nchoosek(1:n,2); assert(isequal(your_fcn_name(n),y_correct)) filetext = fileread('your_fcn_name.m') assert(isempty(strfind(filetext, 'nchoosek')))

filetext = 'function ans = your_fcn_name(n) []; for k=1:n-1 [ans; ones(n-k,1)*k (1+k:n)']; end end %This code written by profile_id 11005821 '

3   Pass
n = 112; y_correct = nchoosek(1:n,2); assert(isequal(your_fcn_name(n),y_correct)) filetext = fileread('your_fcn_name.m') assert(isempty(strfind(filetext, 'nchoosek')))

filetext = 'function ans = your_fcn_name(n) []; for k=1:n-1 [ans; ones(n-k,1)*k (1+k:n)']; end end %This code written by profile_id 11005821 '

4   Pass
n = 2 y_correct = nchoosek(1:n,2); assert(isequal(your_fcn_name(n),y_correct)) filetext = fileread('your_fcn_name.m') assert(isempty(strfind(filetext, 'nchoosek')))

n = 2 filetext = 'function ans = your_fcn_name(n) []; for k=1:n-1 [ans; ones(n-k,1)*k (1+k:n)']; end end %This code written by profile_id 11005821 '


Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!