Cody

Problem 44342. Spot the First Occurrence of 5

Solution 3923123

Submitted on 30 Nov 2020
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Test Suite

Test Status Code Input and Output
1   Pass
assessFunctionAbsence({'regexp','regexpi','regexprep','str2num'},'FileName','locOf5.m')

2   Fail
x = 2:2:20; y_correct = 0; assert(isequal(locOf5(x),y_correct))

z = 1×0 empty double row vector

Index exceeds the number of array elements (0). Error in locOf5 (line 4) (1-isempty(z))*z(1); Error in Test2 (line 3) assert(isequal(locOf5(x),y_correct))

3   Pass
x = rot90(1:10); y_correct = 6; assert(isequal(locOf5(x),y_correct))

z = 6

4   Fail
x = [1 2 5 5 9 1 5 6 5]; y_correct = [2 0 1]; assert(isequal(locOf5(x),y_correct))

y = 2 3 y = 0×1 empty double column vector

Index exceeds the number of array elements (0). Error in locOf5 (line 9) [ans y(1)]; Error in Test4 (line 5) assert(isequal(locOf5(x),y_correct))

5   Fail
x = magic(5); y_correct = [0 2 0 0 0]; assert(isequal(locOf5(x),y_correct))

y = 0×1 empty double column vector

Index exceeds the number of array elements (0). Error in locOf5 (line 9) [ans y(1)]; Error in Test5 (line 3) assert(isequal(locOf5(x),y_correct))

6   Fail
x = [1 2 3 4 5; 5 4 3 2 1 2 3 5 2 1 1 5 2 6 8 3 5 2 2 5]; y_correct = [2 4 3 0 1]; assert(isequal(locOf5(x),y_correct)) % %% % x = randi([-10,10],20,1e6); % x(x==5) = 0; % p = sort(randi([0 size(x,1)],5,size(x,2))); % y_correct = p(1,:); % p(2:end,~y_correct) = 0; % [~,col,v] = find(p); % x((col-1)*size(x,1)+v) = 5; % assert(isequal(locOf5(x),y_correct))

y = 2 y = 4 5 y = 3 y = 0×1 empty double column vector

Index exceeds the number of array elements (0). Error in locOf5 (line 9) [ans y(1)]; Error in Test6 (line 7) assert(isequal(locOf5(x),y_correct))

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