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Cod sursa(job #681672)
#include <iostream>
#include <fstream>
#include <string.h>
using namespace std;
ifstream fi("text.in");
ofstream fo("text.out");
long n,i,a,b,ok;
char c,Z[1000000];
int litera(char c)
{
if (c>='a' && c<='z')
return 1;
if (c>='A' && c<='Z')
return 1;
return 0;
}
int main()
{
fi.getline(Z,1000000);
n=strlen(Z);
ok=0;
a=b=0;
for (i=0;i<n;i++)
{
if ((Z[i]>='a' && Z[i]<='z') || (Z[i]>='A' && Z[i]<='Z'))
{
a++;
ok=1;
if (i==n)
b++;
}
else if (ok==1)
{
ok=0;
b++;
}
}/*
if (b==0)
fo<<a<<endl;
else*/
fo<<a/b<<endl;
return 0;
}