问一下这个程序的运行结果

#include<stdio.h>
int main()
char a[]="fprogram",b[]="fortran";
int i=0,j=0;
while(a[i]&&b[j])
{
if(a[i]==b[i])
printf("same:%c,",a[i]);
i++;
j++;
}
}

same:f;same:r;