Compilare: user.c: In function ‘main’: user.c:23:7: warning: unused variable ‘nr_par’ [-Wunused-variable] int nr_par = 0; ^ user.c:19:18: warning: unused variable ‘k’ [-Wunused-variable] int t, n, i, j, k; ^ user.c:20:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &t); ^ user.c:24:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &n); ^ user.c:28:10: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &v[j]); ^