Problem 44342. Spot the First Occurrence of 5

Solution 1890101

Submitted on 2 Aug 2019 by jianrui fan

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Test	Status	Code Input and Output
1	Pass	assessFunctionAbsence({'regexp','regexpi','regexprep','str2num'},'FileName','locOf5.m')
2	Pass	x = 2:2:20; y_correct = 0; assert(isequal(locOf5(x),y_correct))
3	Pass	x = rot90(1:10); y_correct = 6; assert(isequal(locOf5(x),y_correct))
4	Pass	x = [1 2 5 5 9 1 5 6 5]; y_correct = [2 0 1]; assert(isequal(locOf5(x),y_correct))
5	Pass	x = magic(5); y_correct = [0 2 0 0 0]; assert(isequal(locOf5(x),y_correct))
6	Pass	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))