Cod sursa(job #315478)

Utilizator funkydvdIancu David Traian funkydvd Data 15 mai 2009 20:54:24
Problema Litere Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.32 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
ifstream f1 ("litere.in");
ofstream f2 ("litere.out");
int fr[30];
int main()
{
int n,nr=0,i,j,k;
char c;
f1>>n;
for (i=1; i<=n; i++)
 {f1>>c;
  fr[int(c)-96]++;
  k=0;
  for (j=int(c)-95; j<=26; j++) k+=fr[j];
  nr+=k;
  }
f2<<nr;
f2.close();
f1.close();
return 0;
}