Compilare: user.cpp: In function ‘int main()’: user.cpp:10:16: warning: unused variable ‘pozz’ [-Wunused-variable] int n, i, pozz, j, m, nr, ct, max, x, elem, rr; ^ user.cpp:14:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &n); ^ user.cpp:16:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &v[i]); ^