Cody

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

Solution 1882582

Submitted on 24 Jul 2019 by Thomas Werner
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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))

a = 1 c = 1

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

a = 2 c = 2 x = 0 a = 1 c = 2 1

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

a = 5 c = 5 x = 1 a = 16 c = 5 16 x = 0 a = 8 c = 5 16 8 x = 0 a = 4 c = 5 16 8 4 x = 0 a = 2 c = 5 16 8 4 2 x = 0 a = 1 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))

a = 22 c = 22 x = 0 a = 11 c = 22 11 x = 1 a = 34 c = 22 11 34 x = 0 a = 17 c = 22 11 34 17 x = 1 a = 52 c = 22 11 34 17 52 x = 0 a = 26 c = 22 11 34 17 52 26 x = 0 a = 13 c = 22 11 34 17 52 26 13 x = 1 a = 40 c = 22 11 34 17 52 26 13 40 x = 0 a = 20 c = 22 11 34 17 52 26 13 40 20 x = 0 a = 10 c = 22 11 34 17 52 26 13 40 20 10 x = 0 a = 5 c = 22 11 34 17 52 26 13 40 20 10 5 x = 1 a = 16 c = 22 11 34 17 52 26 13 40 20 10 5 16 x = 0 a = 8 c = 22 11 34 17 52 26 13 40 20 10 5 16 8 x = 0 a = 4 c = 22 11 34 17 52 26 13 40 20 10 5 16 8 4 x = 0 a = 2 c = 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 x = 0 a = 1 c = 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1