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Cod sursa(job #969829)
#include <iostream>
#include<cstring>
#include<fstream>
using namespace std;
int main()
{
ifstream f("text.in");
ofstream g("text.out");
char s[256],*p;
int k=0,n,i,r=0;
f.get(s,256);
n=strlen(s);
for(i=0;i<n;i++)
if(s[i]=='-' && s[i-1]>='a' && s[i-1]<='z'&& s[i+1]>='a' && s[i+1]<='z')
k++;
r=0;
for(i=0;i<n;i++)
if((s[i]>='a' && s[i]<='z') )
r++;
p=strtok(s," ");
while(p!=NULL)
{
p=strtok(NULL, " ");
k++;
}
g<<r/k;
return 0;
}