1 #include <stdio.h> 2 #include <string.h> 3 int main () 4 { 5     char ch[1050]; 6     int n,i,sum; 7     while (scanf("%d",&n)!=EOF) 8     { 9         gets(ch);10         while (n--)11         {12             sum=0;13             gets(ch);14             int l=strlen(ch);15             for (i=0; i<l; i++)16                 if (ch[i]<0)17                     sum++;18             printf ("%d\n",sum/2);19         }20     }21 }