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Cod sursa(job #855681)
#include<fstream>
using namespace std;
char x='\0',y='\0',z='\0';
int nr_cuv,l;
int main(){
ifstream f("text.in");
while(f.good()){
x=f.get();
if(y=='\0'&&z=='\0')
y=x;
else{
z=y;
y=x;
}
if((y>='a'&&y<='z')||(y>='A'&&y<='Z'))
l++;
else if(!((y>='a'&&y<='z')||(y>='A'&&y<='Z'))&&((z>='a'&&z<='z')||(z>='A'&&z<='Z')))
nr_cuv++;
}
f.close();
ofstream g("text.out");
g<<l/nr_cuv;
g.close();
return 0;
}