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Cod sursa(job #393308)
#include<stdio.h>
#include<string.h>
char *p, a[1000], sep[200];
long lung,k=0,i;
int main()
{
freopen("text.in","r",stdin);
freopen("text.out","w",stdout);
for(i=32;i<=126;i++)
if( (i<65 || i>90)&&(i<97 || i>122) )
{
sep[k]=i;
k++;
}
sep[k]='\0';
gets(a);
p=strtok(a, sep);
k=0;
while(p)
{
lung+=strlen(p);
k++;
p=strtok(NULL, sep);
}
printf("%ld", lung/k);
return 0;
}