Cod sursa(job #2956368)

Utilizator bitza1247Stanciu-Tivlea Valentin Gabriel bitza1247 Data 19 decembrie 2022 12:55:23
Problema Litere Scor 100
Compilator cpp-64 Status done
Runda cnsh_16_12 Marime 0.34 kb
Raporteaza aceasta sursa 
#include <bits/stdc++.h>

using namespace std;

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

int n,m,k,i,j,ap[2000];
char c;

int main()
{
    f>>n;
    for(i=1; i<=n; i++)
    {
        f>>c;
        for(j=c+1; j<='z'; j++)
        {
            k=k+ap[j];
        }
        ap[c]++;
    }
    g<<k;
    return 0;
}