Compilare: user.cpp: In function ‘int main()’: user.cpp:25:28: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 3 has type ‘long int’ [-Wformat=] fscanf(input, "%ld", a[i]); ^ user.cpp:28:28: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 3 has type ‘long int’ [-Wformat=] fscanf(input, "%ld", b[i]); ^ user.cpp:18:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(input, "%ld %ld", &n, &m); ^ user.cpp:25:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(input, "%ld", a[i]); ^ user.cpp:28:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(input, "%ld", b[i]); ^ user.cpp:31:20: warning: ‘base_b’ may be used uninitialized in this function [-Wmaybe-uninitialized] while (base_a < n && base_b < m) ^ user.cpp:31:2: warning: ‘base_a’ may be used uninitialized in this function [-Wmaybe-uninitialized] while (base_a < n && base_b < m) ^