Cod sursa(job #122147)

Utilizator vlad2179Popescu Vlad Alexandru vlad2179 Data 10 ianuarie 2008 22:54:29
Problema Litere Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.29 kb
Raporteaza aceasta sursa 
#include <stdio.h>
FILE *f=fopen("litere.in","r"),*g=fopen("litere.out","w");
int ap[27],n,j;
long k;
char c;
int main(){
 fscanf(f,"%d\n",&n);
 for(int i=1;i<=n;i++){
  fscanf(f,"%c",&c);
  ap[c-96]++;
  for(j=c-96+1;j<=26;j++){ k+=ap[j]; }
 }
fprintf(g,"%ld",k);
return 0;
}