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Cod sursa(job #494577)
#include <iostream>
#include <fstream>
using namespace std;
typedef unsigned long int luint;
int main()
{
ifstream fin("text.in");
ofstream fout("text.out");
char c;
bool cn=true;
luint ln=0;
luint nrcuv=0;
do
{
fin.get(c);
if((c>='A' && c<='z') || (c>='a' && c<='z'))
{
ln++;
if(cn==true){
++nrcuv;
cn=false;}
}
else
{
cn=true;
}
}while(!fin.eof());
if(nrcuv>0)fout<<ln/nrcuv;
else fout<<0;
fin.close();
fout.close();
return 0;
}