以下程序的运行结果是____。#includevoid main(){int a[]={1,1,0,1},b[]={1,0,0,1};int i;for(i=0;i<4;i++)a[i]=a[i]+b[i];for(i=3;i>0;i--){a[i-1]=a[i-1]+a[i]/2;a[i]=a[i]%2;}a[0]=a[0]%2;for(i=0;i<4;i++)printf("%d",a[i]);printf("\n");}