Compilare: user.c: In function ‘flash_sort’: user.c:47:41: warning: unused variable ‘right_low’ [-Wunused-variable] int left, left_low, left_high, right, right_low, right_high; ^ user.c:47:23: warning: unused variable ‘left_high’ [-Wunused-variable] int left, left_low, left_high, right, right_low, right_high; ^ user.c:46:46: warning: unused variable ‘carry’ [-Wunused-variable] int pivot, pivot_position, sort_threshold, carry; ^ user.c: In function ‘read_input’: user.c:34:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(input, "%d\n", size); ^ user.c:39:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(input, "%d", *list + index); ^