Cod sursa(job #2914949)

Utilizator Deleanu_LucaDeleanu Luca Deleanu_Luca Data 21 iulie 2022 14:10:50
Problema Litere Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.35 kb
Raporteaza aceasta sursa 
#include <bits/stdc++.h>

using namespace std;

ifstream fin("litere.in");
ofstream fout("litere.out");

int n,i,nr,fr[32];
char v[10001];
bool ok;

int main()
{
    fin>>n>>v;
    for(int i=0; i<n; i++)
    {
        fr[v[i]-'a']++;
        for(int j=v[i]-'a'+1; j<='z'-'a'; j++)
            nr+=fr[j];
    }
    fout<<nr;
    return 0;
}