Compilare: user.cpp: In function ‘bool comp(int*)’: user.cpp:29:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(A[0]!=Number.size()) return A[0]<Number.size(); ^ user.cpp:29:53: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(A[0]!=Number.size()) return A[0]<Number.size(); ^ user.cpp: In function ‘int main()’: user.cpp:80:50: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(prod[0]+prod[0]-1>Number.size()) break; ^ user.cpp:84:51: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(prod[0]+x[0]-1>Number.size()) break; ^ user.cpp:87:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(prod[0]>Number.size()) break; ^ user.cpp:75:17: warning: unused variable ‘p’ [-Wunused-variable] int p=1,ind=11; ^