Solution 292535

Submitted on 30 Jul 2013 by Claudio Gelmi
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Test Suite

Test Status Code Input and Output
1   Pass
feval(@assignin,'caller','score',30); %
2   Pass
%% tic assert(isequal(primes_faster(1),primes(1))) assert(isequal(primes_faster(2),primes(2))) for i=1:100 n=randi(2000,1); assert(isequal(primes_faster(n),primes(n))) end toc
Elapsed time is 0.036376 seconds.
3   Pass
%% tic ta=clock; p = primes_faster(2^28); t1=etime(clock,ta); % time in sec fprintf('P 2^28 %12i %10.3f\n',length(p),t1) assert(isequal(size(unique(p),2),14630843)) ptr=randi(7603553,1,10); % small to avoid timeout pchk=p(ptr); assert(all(isprime(pchk))) feval( @assignin,'caller','score',floor(min(30,t1)) ); toc
P 2^28 14630843 20.553 Elapsed time is 23.913231 seconds.