Compilare: user.cpp: In function ‘int main()’: user.cpp:11:16: warning: unused variable ‘pozz’ [-Wunused-variable] int n, i, pozz, j, m, nr, ct, max, x, elem, rr; ^ user.cpp:11:44: warning: unused variable ‘elem’ [-Wunused-variable] int n, i, pozz, j, m, nr, ct, max, x, elem, rr; ^ user.cpp:11:50: warning: unused variable ‘rr’ [-Wunused-variable] int n, i, pozz, j, m, nr, ct, max, x, elem, rr; ^ user.cpp:15:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &n); ^ user.cpp:17:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%lf", &v[i]); ^