Cod sursa(job #1394560)

Utilizator KOzarmOvidiu Badea KOzarm Data 20 martie 2015 13:43:34
Problema Litere Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.35 kb
Raporteaza aceasta sursa 
#include <fstream>

using namespace std;
ifstream fin("litere.in");
ofstream fout("litere.out");
int a[30],b,i,j,t,n;
char x;
int main()
{
    fin>>n;
    fin.get();
    for(i=1;i<=n;i++)
    {
        fin.get(x);
        b=x-'a';
        for(j=b+1;j<=25;j++)
            t=t+a[j];
        a[b]++;
    }
    fout<<t;
    return 0;
}