Cody

Problem 42673. Longest Collatz Sequence

Solution 1618775

Submitted on 29 Aug 2018 by NZMarkW
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Test Suite

Test Status Code Input and Output
1   Pass
x = 10; assert(isequal(euler14(x),9))

y = 9

2   Pass
x = 100; assert(isequal(euler14(x),97))

y = 97

3   Pass
x = 96; assert(isequal(euler14(x),73))

y = 73

4   Pass
x = 1000; assert(isequal(euler14(x),871))

y = 871

5   Pass
x = 870; assert(isequal(euler14(x),703))

y = 703

6   Pass
assert(isequal(euler14(871),871))

y = 871

7   Pass
x = 77030; assert(isequal(euler14(x),52527))

y = 52527

8   Pass
x = 77031; assert(isequal(euler14(x),77031))

y = 77031

9   Pass
assert(isequal(euler14(500000),410011))

y = 410011

10   Pass
z = 900000; y_correct=837799; assert(isequal(euler14(z),y_correct))

y = 837799