Compilare: user.cpp: In function ‘int verificare(char*, char*)’: user.cpp:23:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(k=0;k<strlen(s);k++) ^ user.cpp: In function ‘int main()’: user.cpp:35:30: warning: unused variable ‘k’ [-Wunused-variable] int p,n,ct=0,v[NMAX]={0},k=0,u,h,i,j; ^ user.cpp:35:34: warning: unused variable ‘u’ [-Wunused-variable] int p,n,ct=0,v[NMAX]={0},k=0,u,h,i,j; ^ user.cpp:35:36: warning: unused variable ‘h’ [-Wunused-variable] int p,n,ct=0,v[NMAX]={0},k=0,u,h,i,j; ^