Cody

Problem 21. Return the 3n+1 sequence for n

Solution 39310

Submitted on 13 Feb 2012 by Steffen
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Test Suite

Test Status Code Input and Output
1   Pass
%% n = 1; c_correct = 1; assert(isequal(collatz(n),c_correct))

2   Pass
%% n = 2; c_correct = [2 1]; assert(isequal(collatz(n),c_correct))

b = 2 c = 2 1

3   Pass
%% n = 5; c_correct = [5 16 8 4 2 1]; assert(isequal(collatz(n),c_correct))

b = 5 c = 5 16 b = 16 c = 5 16 8 b = 8 c = 5 16 8 4 b = 4 c = 5 16 8 4 2 b = 2 c = 5 16 8 4 2 1

4   Pass
%% n = 22; c_correct = [22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1]; assert(isequal(collatz(n),c_correct))

b = 22 c = 22 11 b = 11 c = 22 11 34 b = 34 c = 22 11 34 17 b = 17 c = 22 11 34 17 52 b = 52 c = 22 11 34 17 52 26 b = 26 c = 22 11 34 17 52 26 13 b = 13 c = 22 11 34 17 52 26 13 40 b = 40 c = 22 11 34 17 52 26 13 40 20 b = 20 c = 22 11 34 17 52 26 13 40 20 10 b = 10 c = Columns 1 through 10 22 11 34 17 52 26 13 40 20 10 Column 11 5 b = 5 c = Columns 1 through 10 22 11 34 17 52 26 13 40 20 10 Columns 11 through 12 5 16 b = 16 c = Columns 1 through 10 22 11 34 17 52 26 13 40 20 10 Columns 11 through 13 5 16 8 b = 8 c = Columns 1 through 10 22 11 34 17 52 26 13 40 20 10 Columns 11 through 14 5 16 8 4 b = 4 c = Columns 1 through 10 22 11 34 17 52 26 13 40 20 10 Columns 11 through 15 5 16 8 4 2 b = 2 c = Columns 1 through 10 22 11 34 17 52 26 13 40 20 10 Columns 11 through 16 5 16 8 4 2 1

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