Cod sursa(job #117481)

Utilizator anaidaanaida anaida Data 21 decembrie 2007 15:58:22
Problema Litere Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.28 kb
Raporteaza aceasta sursa 
#include<fstream.h>

#include<string.h>
#include<stdio.h>
ifstream f("litere.in");
ofstream g("litere.out");

char c;
int s,a[100],n,i,j,k,l;
int  main()
{
f>>n;
s=0;

for(i=0;i<n;i++)
{
f>>c;l=int(c)-97;
a[l]++;
for(j=l+1;j<26;j++) s+=a[j];
}
g<<s;
return 0;
}