Cody

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

Solution 2148433

Submitted on 2 Mar 2020 by Asif Newaz
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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))

a = 3

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

a = 55

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

a = 100

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

a = 36170099

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

a = 80434

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))

a = 1 a = 1 a = 2 a = 4 a = 10 a = 26 a = 70 a = 200 a = 602 a = 1904

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

a = 31622776 a = 2

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