Problem 793. Combinations without using nchoosek

Solution 2441107

Submitted on 31 May 2020 by Stephen

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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 y = your_fcn_name(n) y = []; for n1 = 1:n-1 for n2 = n1+1:n y = [y; n1, n2]; end end end %This code written by profile_id 3812454 '
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 y = your_fcn_name(n) y = []; for n1 = 1:n-1 for n2 = n1+1:n y = [y; n1, n2]; end end end %This code written by profile_id 3812454 '
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 y = your_fcn_name(n) y = []; for n1 = 1:n-1 for n2 = n1+1:n y = [y; n1, n2]; end end end %This code written by profile_id 3812454 '
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 y = your_fcn_name(n) y = []; for n1 = 1:n-1 for n2 = n1+1:n y = [y; n1, n2]; end end end %This code written by profile_id 3812454 '

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