Cod sursa(job #2956889)

Utilizator teodora25079Tita Georgiana Teodora teodora25079 Data 20 decembrie 2022 22:49:57
Problema Litere Scor 100
Compilator cpp-64 Status done
Runda cnsh_16_12 Marime 0.32 kb
Raporteaza aceasta sursa 
#include <fstream>

using namespace std;

ifstream cin ("litere.in");
ofstream cout ("litere.out");
int n, s, j, f[130];
char c;
int main ()
{
    cin>>n;
    for(int i=1; i<=n; ++i)
    {
        cin>>c;
        for (j=c+1; j<='z'; ++j)
            s+=f[j];
        f[c]++;
    }
    cout<<s;
    return 0;
}