UVA 414-Machined Surfaces

#include<stdio.h>
int main()
{
char c;
int t;
while(~scanf("%d",&t))
{
if(t==0)
break;
getchar();
int i,j;
int sum=0,min1=10000,min2;
for(i=0;i<t;i++)
{
min2=0;
while(1)
{
scanf("%c",&c);
if(c==' ')
{
sum++;
min2++;
}
else if(c=='\n')
break;
}
min1=min1>min2?min2:min1;
}
printf("%d\n",sum-min1*t);
}
return 0;
}