Compilare: user.cpp: In function ‘int main()’: user.cpp:22:9: warning: variable ‘a’ set but not used [-Wunused-but-set-variable] int a[1000001], b[500001], N, i; ^ user.cpp:22:21: warning: unused variable ‘b’ [-Wunused-variable] int a[1000001], b[500001], N, i; ^ user.cpp: In function ‘int BazaDoi(int)’: user.cpp:14:16: warning: ‘c’ may be used uninitialized in this function [-Wmaybe-uninitialized] c++; ^ user.cpp:13:19: warning: ‘s’ may be used uninitialized in this function [-Wmaybe-uninitialized] s = s + pow(10, c); ^