Cod sursa(job #947884)

Utilizator ScDiscoMihai Trifan ScDisco Data 8 mai 2013 19:00:57
Problema Litere Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.32 kb
Raporteaza aceasta sursa 
#include <fstream>
#include <iostream>
using namespace std;
ifstream f("litere.in");
ofstream g("litere.out");
int n,ap[27],sol;
char a;
int main()
{
	f>>n;
    for(int i=0;i<n;++i)
    {
		f>>a;
		++ap[a-'a'];
        for(int j=a-'a'+1;j<='z'-'a';++j)
			sol+=ap[j];
    }
    g<<sol;
	g.close();
	return 0;
}