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Cod sursa(job #784555)
using namespace std;
#include<fstream>
#include<string>
#define dmax 1000000
int main ()
{
int nr=0,lg=0,i;
char c[dmax];
ifstream f("text.in");
ofstream g("text.out");
while(f>>c)
{
int lgw,clgw;
for(i=0;c[i]!=NULL;i++);
clgw=i;
lgw=0;
bool ok=true;
for(i=0;i<clgw && ok;i++)
if(c[i]>'A' && c[i]<'z')
lgw++;
else
ok=false;
if(lgw)
nr++;
lg+=lgw;
for(i=0;i<clgw;i++)
c[i]=0;
}
f.close();
if(lg==0 || nr==0)
g<<0;
else
g<<(lg/nr);
g.close();
return 0;
}