Cod sursa(job #1264789)
Utilizator | Data | 16 noiembrie 2014 11:30:38 | |
---|---|---|---|
Problema | Litere | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.37 kb |
#include <fstream>
using namespace std;
ifstream fin("litere.in");
ofstream fout("litere.out");
int n,i,nr,v[255];
char x,j;
int main(){
fin>>n;
for(i=1;i<=n;i++){
fin>>x;
v[x]++;
for(j=x+1;j<='z';j++){
if(v[j]!=0){
nr+=v[j];
}
}
}
fout<<nr<<"\n";
return 0;
}