Cod sursa(job #653251)

Utilizator paunmatei7FMI Paun Matei paunmatei7 Data 27 decembrie 2011 18:02:02
Problema Litere Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.3 kb
Raporteaza aceasta sursa 
#include<stdio.h>
int poz[26],n,sol;
int main()
{
	int i,l,j;
	char ch;
	freopen("litere.in","r",stdin);
	freopen("litere.out","w",stdout);
	scanf("%d\n",&n);
	for(i=1;i<=n;i++) 
	{
		scanf("%c",&ch);
		l=ch-'a';
		poz[l]++;
		for(j=l+1;j<=25;j++) 
			sol+=poz[j];
	}
	printf("%d",sol);
	return 0;
}