Cod sursa(job #2029334)

Utilizator maria15Maria Dinca maria15 Data 29 septembrie 2017 20:52:03
Problema Litere Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
#include <fstream>

using namespace std;

short n, i, f[130];
int sol;
char x, j;

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

int main(){
    fin>>n;
    for(i=1;i<=n;i++){
        fin>>x;
        f[x]++;
        for(j=x+1;j<='z';j++)
            sol+=f[j];
    }

    fout<<sol;
    return 0;
}