Cod sursa(job #416950)

Utilizator AndreiRSStatescu Andrei Rares AndreiRS Data 13 martie 2010 19:02:41
Problema Litere Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include <fstream.h>
#define DIM 501

int fr[26];

int n,c;
int i,j;
char x;

int main(){
	
	ifstream f1("litere.in");
	f1 >> n;
	for(i=1; i<=n; i++){
		f1 >> x;
		x -= 'a'; 
		fr[x]++;
		
		for(j=x+1; j<=25; j++)
			c += fr[j];
	}
	f1.close();
	
	ofstream f2("litere.out");
	f2 << c;
	f2.close();
	
	return 0;
}