Cod sursa(job #770924)

Utilizator BarracudaFMI-Alex Dobrin Barracuda Data 24 iulie 2012 12:07:15
Problema Litere Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.3 kb
Raporteaza aceasta sursa 
#include<fstream>
#define dim 10005

using namespace std;


ifstream f("litere.in");
ofstream g("litere.out");
int s[30],i,n,j,nr;
char ch;
int main (){
	
	f>>n;
	
	for(i=1;i<=n;i++){
		f>>ch;
		
		s[ch-'a']++;
		
		for(j=ch-'a'+1;j<=27;++j)
			nr+=s[j];
	}
	g<<nr<<"\n";
	return 0;
}