Cod sursa(job #133345)

Utilizator MirageRobert Sandu Mirage Data 8 februarie 2008 12:35:33
Problema Litere Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include<stdio.h>
int v[30];
int main () {
	freopen("litere.in","r",stdin);
	freopen("litere.out","w",stdout);
	int n,i,nr=0,j;
	char a;
	scanf("%d",&n);
	for(i=0;i<=n;i++){
		scanf("%c",&a);
		if(a>='a'){
			v[a-'a']++;
			for(j=(int)a-'a'+1;j<=(int)'z'-'a';j++)
				nr+=v[j];
		}
	}
	printf("%d\n",nr);
	return 0;
}