-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 eric lin wrote, On 8.9.2010 19:35: > dear cygwin/gcc users: > > I compile a simple code which i copied from a book, "The Complete Reference > of C++" Fourth Edition by Herbert Schildt in page 575, rand() > which is clearly not be included in > #include <iostream> > > I tried > #inlcude <cmath> > > it still not compile, i.e. same compile error > > please help(see which lib I should include) > /* I tried in ubuntu linux on my laptop, it also not compile by same reason */ You need to #include <cstdlib> and use std::rand().
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