Cod sursa(job #2899922)

Utilizator Robert_MitriRobert Mitri Robert_Mitri Data 9 mai 2022 18:30:59
Problema Litere Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
ifstream fin("litere.in");
ofstream fout("litere.out");
int n,m,ap,fr[155];
char x;

int main()
{
    fin>>n;
    for(int i=1;i<=n;i++)
    {
        fin>>x;
        fr[x]++;
        for(int j=x+1;j<='z';j++)
        {
            ap+=fr[j];
        }

    }
    fout<<ap;

}