Cod sursa(job #116373)

Utilizator razvi9Jurca Razvan razvi9 Data 18 decembrie 2007 15:28:33
Problema Litere Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.3 kb
Raporteaza aceasta sursa 
#include<stdio.h>
#define lg 10000
int n,nr[26],i,j,m;
char a[lg+1];
int main()
{freopen("litere.in","r",stdin);
 freopen("litere.out","w",stdout);
 scanf("%d %s",&n,a);
 for(i=0;i<n;i++){
  nr[a[i]-'a']++;
  for(j=a[i]-'a'+1;j<26;j++)
   m=m+nr[j];}
 printf("%d",m);
 fclose(stdout);
 return 0;}