Cod sursa(job #1116670)

Utilizator robertstrecheStreche Robert robertstreche Data 22 februarie 2014 18:57:12
Problema Litere Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.34 kb
Raporteaza aceasta sursa 
#include <fstream>

using namespace std;

ifstream f("litere.in");
ofstream g("litere.out");

long long ap[150],nr,i,n,j;
char c;

int main()
{

   f>>n;

   for (i=1;i<=n;i++)
     {
         f>>c;
         ap[c]++;
         for (j=c+1;j<='z';j++)
          nr+=ap[j];
     }
    g<<nr;

   f.close();
   g.close();
}