Accepted
/in/foo.cc: In function 'void prim(int)':
/in/foo.cc:27:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
while(aa.size()>k)aa.pop();
~~~~~~~~~^~
/in/foo.cc: In function 'void prim(int)':
/in/foo.cc:27:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
while(aa.size()>k)aa.pop();
~~~~~~~~~^~
