Problem 44342. Spot the First Occurrence of 5

Solution 2173229

Submitted on 24 Mar 2020 by Ahmed Abdelbasit

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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)) row = 1 col = 10 y = 1×0 empty double row vector y = 0
3	Pass	x = rot90(1:10); y_correct = 6; assert(isequal(locOf5(x),y_correct)) row = 10 col = 1 y = 0 y = 6 i = 2
4	Pass	x = [1 2 5 5 9 1 5 6 5]; y_correct = [2 0 1]; assert(isequal(locOf5(x),y_correct)) row = 3 col = 3 y = 0 0 0 y = 2 0 0 i = 2 j = 1 y = 2 0 1 i = 4
5	Pass	x = magic(5); y_correct = [0 2 0 0 0]; assert(isequal(locOf5(x),y_correct)) row = 5 col = 5 y = 0 0 0 0 0 y = 0 2 0 0 0 i = 3 j = 1
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)) row = 5 col = 5 y = 0 0 0 0 0 y = 2 0 0 0 0 i = 2 j = 1 y = 2 4 0 0 0 i = 3 j = 1 y = 2 4 0 0 0 i = 3 j = 1 y = 2 4 3 0 0 i = 4 j = 1 y = 2 4 3 0 1 i = 6

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