Compilare: user.c: In function ‘main’: user.c:63:17: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] printf("%d ",a_final[i][j]); ^ user.c:16:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %d",&n,&m,&k); ^ user.c:23:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %d %d %d",&b[nr_x + 1],&c[nr_y + 1],&b[nr_x + 2],&c[nr_y + 2],&d[i]); ^