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Cod sursa(job #163945)
#include<fstream>
using namespace std;
int main()
{char c;
long i,nrl;
int ok,okk;
ifstream fin("text.in");
ofstream fout("text.out");
i=0;nrl=0;
fin.get(c);
okk=0;
do{ok=0;
while(c>='a'&&c<='z' || c>='A'&&c<='Z'){nrl++;fin.get(c);ok=1;}
fin.get(c);
if(ok==1){i++;okk=1;}
}while((int)c!=-1);
if(okk==1)fout<<nrl/i;
fin.close();
fout.close();
return 0;
}