Compilare: user.c: In function ‘main’: user.c:13:23: warning: format ‘%d’ expects argument of type ‘int *’, but argument 3 has type ‘unsigned char *’ [-Wformat=] fscanf(input, "%d", &a[i]); ^ user.c:16:23: warning: format ‘%d’ expects argument of type ‘int *’, but argument 3 has type ‘unsigned char *’ [-Wformat=] fscanf(input, "%d", &b[i]); ^ user.c:11:5: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(input, "%d %d", &M, &N); ^ user.c:13:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(input, "%d", &a[i]); ^ user.c:16:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(input, "%d", &b[i]); ^