Uva 414 Machined Surfaces

#include<stdio.h> #include<string.h> int main() { int n,i,j,min,sum; int count[20]; while(scanf("%d",&n),n) { char ch; sum = 0; memset(count,0,sizeof(count)); for(i=0; i<n; i++) { for(j=0; j<26; j++) if((ch=getchar())==' ') count[i]++; sum += count[i]; if(i==0) min = count[i]; else if(count[i]<min) min = count[i]; } printf("%d\n",sum-min*n); } return 0; } /* 4 XXXX XXXXX XXX XXXXXXX XXXXX XXXX XX XXXXXX 2 XXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXX 1 XXXXXXXXX XX 0 */