Problem 44457. Triangle of numbers

Solution 1542346

Submitted on 28 May 2018 by Guy Marom

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Test	Status	Code Input and Output
1	Pass	filetext = fileread('triangle.m'); assert(isempty(strfind(filetext, 'regexp')),'regexp hacks are forbidden')
2	Pass	n = 0; mat_correct = []; assert(isequal(triangle(n),mat_correct))
3	Pass	n = 1; mat_correct = 1; assert(isequal(triangle(n),mat_correct))
4	Pass	n = 6; mat_correct = [1 0 0; 2 3 0; 4 5 6]; assert(isequal(triangle(n),mat_correct))
5	Pass	n = 12; mat_correct = [1 0 0 0; 2 3 0 0; 4 5 6 0; 7 8 9 10; 11 12 0 0]; assert(isequal(triangle(n),mat_correct))
6	Pass	n = 50; mat_correct = [1,zeros(1,8); 2:3,zeros(1,7); 4:6,zeros(1,6); 7:10,zeros(1,5); 11:15,zeros(1,4); 16:21,zeros(1,3); 22:28,0,0; ; 29:36,0; 37:45; 46:50,zeros(1,4)]; assert(isequal(triangle(n),mat_correct))

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