Compilare: user.cpp: In function ‘int main()’: user.cpp:18:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1,j=1;i<=s.size(),j<=p.size();i++,j++) ^ user.cpp:18:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1,j=1;i<=s.size(),j<=p.size();i++,j++) ^ user.cpp:18:18: warning: value computed is not used [-Wunused-value] for(i=1,j=1;i<=s.size(),j<=p.size();i++,j++) ^