Cody

# Problem 1891. High Precision Square Root (Inspired by Project Euler 80)

Solution 3936438

Submitted on 1 Dec 2020
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### Test Suite

Test Status Code Input and Output
1   Fail
assert(strcmp(string_sqrt(1000,10),'31.6227766016'))

Undefined function 'vpa' for input arguments of type 'double'. Error in string_sqrt (line 2) v=vpa(sqrt(n),k+1+length(num2str(fix(sqrt(n))))); Error in Test1 (line 1) assert(strcmp(string_sqrt(1000,10),'31.6227766016'))

2   Fail
assert(strcmp(string_sqrt(10,11),'3.16227766016'))

Undefined function 'vpa' for input arguments of type 'double'. Error in string_sqrt (line 2) v=vpa(sqrt(n),k+1+length(num2str(fix(sqrt(n))))); Error in Test2 (line 1) assert(strcmp(string_sqrt(10,11),'3.16227766016'))

3   Fail
assert(strcmp(string_sqrt(3,100),'1.7320508075688772935274463415058723669428052538103806280558069794519330169088000370811461867572485756'))

Undefined function 'vpa' for input arguments of type 'double'. Error in string_sqrt (line 2) v=vpa(sqrt(n),k+1+length(num2str(fix(sqrt(n))))); Error in Test3 (line 1) assert(strcmp(string_sqrt(3,100),'1.7320508075688772935274463415058723669428052538103806280558069794519330169088000370811461867572485756'))

4   Fail
assert(strcmp(string_sqrt(314159,314),'560.49888492306565872479934293941633491101288779142813321911971670725840486880541273457870660258696202335374555140881778649205224589390756076993240996126057385009263605818384161945745399159720436585888004381611637660905033452884843995010613320008027334007622507916692664539613518278405454926834945753785814159773889523'))

Undefined function 'vpa' for input arguments of type 'double'. Error in string_sqrt (line 2) v=vpa(sqrt(n),k+1+length(num2str(fix(sqrt(n))))); Error in Test4 (line 1) assert(strcmp(string_sqrt(314159,314),'560.49888492306565872479934293941633491101288779142813321911971670725840486880541273457870660258696202335374555140881778649205224589390756076993240996126057385009263605818384161945745399159720436585888004381611637660905033452884843995010613320008027334007622507916692664539613518278405454926834945753785814159773889523'))

5   Fail
a=2:50; a(sqrt(a)==floor(sqrt(a)))=[]; na=numel(a); b=zeros(na,100); for flag=1:na temp=string_sqrt(a(flag),101); t2=regexprep(temp,'\.','')-'0'; b(flag,:)=t2(1:100); end y_correct=sum(sum(b)) assert(isequal(19543,y_correct))

Undefined function 'vpa' for input arguments of type 'double'. Error in string_sqrt (line 2) v=vpa(sqrt(n),k+1+length(num2str(fix(sqrt(n))))); Error in Test5 (line 6) temp=string_sqrt(a(flag),101);

6   Fail
assert(strcmp(string_sqrt(12345,1),'111.1'))

Undefined function 'vpa' for input arguments of type 'double'. Error in string_sqrt (line 2) v=vpa(sqrt(n),k+1+length(num2str(fix(sqrt(n))))); Error in Test6 (line 1) assert(strcmp(string_sqrt(12345,1),'111.1'))

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