Compilare: user.cpp: In function ‘int main()’: user.cpp:23:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(strlen(S[i])>Max) { Max=strlen(S[i]); retine=i; } ^ user.cpp:25:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(strlen(S[i])==Max&&strcmp(S[retine],S[i])>0) retine=i; ^ user.cpp:36:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(Lg<=strlen(S[j])&&i!=j) ^ user.cpp:42:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int p=0;p<strlen(S[j])&&stop==1;p++) ^ user.cpp:27:19: warning: ‘retine’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<S[retine]; ^