add spoj PRIME1 implementation
add my solution to spoj 'prime1'
add reference to prime1
use exception to exit program normally
add cross ref
minor fix
more precise example source code
minor fix.
add some libiraies descriptions.
add manpage
minor fix
 added articles/阶级分层视野下的美国高中教育.page
 added Articles.page

--HG--
rename : articles/阶级分层视野下的美国高中教育.page => articles/55471773130cd9f2cf3839b0f3bad8f6.page
change title
fix table
fix table
fix table
fix table
fix table
fix table