Cod sursa(job #3358986)

Utilizator sandu_stefanicaSandu David Stefan sandu_stefanica Data 22 iunie 2026 19:08:13
Problema Litere Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.32 kb
Raporteaza aceasta sursa 
#include <fstream>

using namespace std;
ifstream cin("litere.in");
ofstream cout("litere.out");
char c, t;
int n, p, nr, ok, i, f[130];
int main()
{
    cin>>n;
    for(i=1;i<=n;i++)
    {
        cin>>c;
        f[c]++;
        for(t=c+1;t<='z';t++)
            nr=nr+f[t];
    }
    cout<<nr;
    return 0;
}