Cod sursa(job #1505496)

Utilizator LeVladzCiuperceanu Vlad LeVladz Data 19 octombrie 2015 11:45:25
Problema Litere Scor 100
Compilator cpp 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");
char v[10010], aux;
int n,i,j,s,f[26];
int main()
{
    fin>>n;
    for (i=1;i<=n;i++) {
        fin>>v[i];

        for (j= v[i]-'a'+1; j<=25;j++ )
            s+=f[j];

        f[v[i]-'a']++;
    }

    fout<<s<<"\n";
}