Cody

# Problem 793. Combinations without using nchoosek

Solution 1218497

Submitted on 23 Jun 2017
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### Test Suite

Test Status Code Input and Output
1   Fail
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')))

Index exceeds matrix dimensions. Error in your_fcn_name (line 3) unique(ans(diff(ans,2)>0,:),'rows'); Error in TestPoint1 (line 3) assert(isequal(your_fcn_name(n),y_correct))

2   Fail
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')))

Index exceeds matrix dimensions. Error in your_fcn_name (line 3) unique(ans(diff(ans,2)>0,:),'rows'); Error in TestPoint2 (line 3) assert(isequal(your_fcn_name(n),y_correct))

3   Fail
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')))

Index exceeds matrix dimensions. Error in your_fcn_name (line 3) unique(ans(diff(ans,2)>0,:),'rows'); Error in TestPoint3 (line 3) assert(isequal(your_fcn_name(n),y_correct))

4   Fail
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

Index exceeds matrix dimensions. Error in your_fcn_name (line 3) unique(ans(diff(ans,2)>0,:),'rows'); Error in TestPoint4 (line 3) assert(isequal(your_fcn_name(n),y_correct))