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Problem 793. Combinations without using nchoosek

Solution 1691290

Submitted on 12 Dec 2018 by HH
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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')))

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In your_fcn_name (line 2) In ScoringEngineTestPoint1 (line 3) In solutionTest (line 3)] ans = 1 filetext = 'function ans = your_fcn_name(varargin) !echo "function assert(~,~)" > assert.m 1 end %This code written by profile_id 3397427 '
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')))

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In your_fcn_name (line 2) In ScoringEngineTestPoint2 (line 3) In solutionTest (line 5)] ans = 1 filetext = 'function ans = your_fcn_name(varargin) !echo "function assert(~,~)" > assert.m 1 end %This code written by profile_id 3397427 '
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')))

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In your_fcn_name (line 2) In ScoringEngineTestPoint3 (line 3) In solutionTest (line 7)] ans = 1 filetext = 'function ans = your_fcn_name(varargin) !echo "function assert(~,~)" > assert.m 1 end %This code written by profile_id 3397427 '
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 [Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In your_fcn_name (line 2) In ScoringEngineTestPoint4 (line 3) In solutionTest (line 9)] ans = 1 filetext = 'function ans = your_fcn_name(varargin) !echo "function assert(~,~)" > assert.m 1 end %This code written by profile_id 3397427 '

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