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Cod sursa(job #163921)
#include<fstream>
using namespace std;
int main()
{char c,v[2000005];
int i,j,cuv,nrl,nrcuv,ok;
ifstream fin("text.in");
ofstream fout("text.out");
i=1;cuv=0;
fin.get(c);
do{v[i]=c;
fin.get(c);
i++;
}while(c!='\n');
nrl=0;
for(j=1;j<i;j++)
if(v[j]>='a'&&v[j]<='z' || v[j]>='A'&&v[j]<='Z')nrl++;
nrcuv=0;
for(j=1;j<=i;j++)
{ok=0;
while(v[j]!=' '&&v[j]>='a'&&v[j]<='z' || v[j]>='A'&&v[j]<='Z'){j++;ok=1;}
if(ok==1)nrcuv++;
}
fout<<nrl/nrcuv;
fin.close();
fout.close();
return 0;
}