Cody

# Problem 793. Combinations without using nchoosek

Solution 1662268

Submitted on 30 Oct 2018 by maeffchen
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 output = your_fcn_name(n) output = []; for k = 1:n output = [output; k*ones(n-k,1), ((k+1):n)']; end end %This code written by profile_id 12762202 '

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 output = your_fcn_name(n) output = []; for k = 1:n output = [output; k*ones(n-k,1), ((k+1):n)']; end end %This code written by profile_id 12762202 '

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 output = your_fcn_name(n) output = []; for k = 1:n output = [output; k*ones(n-k,1), ((k+1):n)']; end end %This code written by profile_id 12762202 '

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 output = your_fcn_name(n) output = []; for k = 1:n output = [output; k*ones(n-k,1), ((k+1):n)']; end end %This code written by profile_id 12762202 '