Cod sursa(job #365289)

Utilizator val3kovidenie valentin val3k Data 18 noiembrie 2009 12:35:22
Problema Litere Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.28 kb
Raporteaza aceasta sursa 
#include<fstream.h>
int x;
ifstream fin("litere.in");
ofstream fout("litere.out");

int main(){
int n,i,f[30]={0},j;
char s[10001];
fin>>n;fin.get();
fin.get(s,n+1);
for(i=1;i<n;i++)
	{
		f[(s[i]-'a')]++;
		for(j=s[i]-'a'+1;j<26;j++)
			x+=f[j];
}fout<<x;

return 0;
}