Cod sursa(job #668322)

Utilizator bia.liliPoenar Liana bia.lili Data 24 ianuarie 2012 18:21:12
Problema Restante Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.35 kb
Raporteaza aceasta sursa 
#include <fstream>
#include <algorithm>
using namespace std;
ifstream f("restante.in");
ofstream g("restante.out");
int n;
int main()
{
 int i,j;
char a[37001];
f>>n;
for(i=1;i<=n;i++){
f>>a[i];
}
sort(a+1,a+n+1);
int nr=0;
for(i=2;i<=n;i++)
if(a[i]!=a[i-1] && a[i]!=a[i+1])
nr++;
g<<nr<<"\n";   
f.close();
g.close();
return 0;
}