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Cod sursa(job #818842)
#include <string.h>
#include <fstream>
using namespace std;
int main()
{
char s[1000];
int i,c=1,d=0;
float x;
ifstream f("text.in");
ofstream g("text.out");
f.get(s,100);
for(i=0;i<strlen(s);i++)
if(s[i]==' ')
c++;
else
if(strchr("abcdefghiklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ",s[i])!=NULL)
d++;
g<<d/c;
return 0;
}