Compilare: user.cpp: In function ‘void ChupaChups_p()’: user.cpp:17:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=1; i<strlen(p); i++) { ^ user.cpp: In function ‘void SearchPinS()’: user.cpp:27:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<strlen(s); i++) { ^ user.cpp:32:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j==strlen(p)) { ^