Accepted
/in/foo.cc: In function 'int main()':
/in/foo.cc:24:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<n;i++)
~^~
/in/foo.cc: In function 'int main()':
/in/foo.cc:24:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<n;i++)
~^~
