Compilare: user.cpp: In function ‘int main()’: user.cpp:26:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(strlen(v[i])==maxx && strcmp(v[i],v[pmax])<0) pmax=i; ^ user.cpp:28:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(strlen(v[i])>maxx) {maxx=strlen(v[i]);pmax=i;} ^ user.cpp:53:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(t=1;t<strlen(v[i]) && p!=NULL;t++) ^ user.cpp:57:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(t==strlen(v[i])) okk=0; ^