Eroare de compilare: user.cpp: In function ‘int cauta_bin_un_indice_bun(int, int)’: user.cpp:25:42: error: invalid conversion from ‘unsigned int*’ to ‘int*’ [-fpermissive] int *p = upper_bound(A+1, A + m+1, nr); ^ user.cpp:26:14: error: invalid operands of types ‘int*’ and ‘unsigned int [100005]’ to binary ‘operator-’ return p-A-1; ^ user.cpp: In function ‘int main()’: user.cpp:30:13: warning: unused variable ‘z’ [-Wunused-variable] int i,t,z,ind,costc; ^ user.cpp:30:19: warning: unused variable ‘costc’ [-Wunused-variable] int i,t,z,ind,costc; ^ user.cpp: In function ‘int cauta_bin_un_indice_bun(int, int)’: user.cpp:27:1: warning: control reaches end of non-void function [-Wreturn-type] } ^