Cody

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

Solution 1945193

Submitted on 21 Sep 2019 by Augusto Mazzei
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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))

ans = 3

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

ans = 47

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

ans = 100

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

ans = 36105377

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

ans = 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))

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

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

ans = 6 ans = 2