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Cod sursa(job #532406)
#include<fstream.h>
#include<stdio.h>
#include<string.h>
ifstream f("text.in");
ofstream g("text.out");
int verif(char x){
int i,j;
for(i=65;i<=90;i++)
if(x==i)
return 1;
for(j=97;j<=122;j++)
if(x==j)
return 1;
return 0;
}
int main(){
char a[10000];int cuv=0,lit=0,n,i,cond;
while(f>>a){
n=strlen(a);
cond=0;
for(i=0;i<=n;i++)
if(verif(a[i])){
lit++;
cond=1;
}
if(cond) cuv++;
}
g<<(lit/cuv)<<"\n";
//g<<cuv<<" "<<lit;
f.close();
g.close();
return 0;
}