Cody

Problem 42913. Pseudo Square Root (Inspired by Project Euler 266)

Solution 977527

Submitted on 20 Sep 2016 by goc3
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Test Suite

Test Status Code Input and Output
1   Pass
x = 12;y_correct = 3; assert(isequal(PSR(x),y_correct))

y = 3

2   Pass
x = 3102;y_correct = 47; assert(isequal(PSR(x),y_correct))

y = 47

3   Pass
x=10000;y_correct = 100; assert(isequal(PSR(x),y_correct))

y = 100

4   Pass
x=1308276133167003;y_correct = 36105377; assert(isequal(PSR(x),y_correct))

y = 36105377

5   Pass
x=6469693230;y_correct = 79534; assert(isequal(PSR(x),y_correct))

y = 79534

6   Pass
p=cumprod(1:10); y=arrayfun(@(p) PSR(p),p); y_correct=[1 1 2 4 10 24 70 192 576 1890]; assert(isequal(y,y_correct))

y = 1 y = 1 y = 2 y = 4 y = 10 y = 24 y = 70 y = 192 y = 576 y = 1890

7   Pass
x=1000000000000002; assert(isequal(PSR(PSR(x)),2))

y = 6 y = 2

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