Compilare: user.cpp: In function ‘int main()’: user.cpp:31:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(ind=1;ind<=len && prim[ind]<=B;++ind) ^ user.cpp:31:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(ind=1;ind<=len && prim[ind]<=B;++ind) ^ user.cpp:27:26: warning: unused variable ‘aux’ [-Wunused-variable] unsigned int A,B,sol,aux,ind,i,j,i2; ^ user.cpp:27:34: warning: unused variable ‘i’ [-Wunused-variable] unsigned int A,B,sol,aux,ind,i,j,i2; ^ user.cpp:42:24: warning: ‘sol’ is used uninitialized in this function [-Wuninitialized] printf("%u\n", sol); ^