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Cod sursa(job #612976)
#include <fstream>
using namespace std;
ifstream fin("text.in");
ofstream fout("text.out");
char *p, a[5000],sep[]=" .,!";
int main ()
{
fin.get(a,5000);
int i=0,lit=0,cuv=0;
while(a[++i])
{
if((a[i]>='a'&&a[i]<='z')||(a[i]>='A'&&a[i]<='Z'))
lit++;
}
p=strtok(a,sep);
do
{
cuv++;
p=strtok(NULL,sep);
}while (p);
fout<<lit/cuv;
return 0;
}