Cod sursa(job #1448236)
Utilizator | Data | 6 iunie 2015 14:48:57 | |
---|---|---|---|
Problema | Litere | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.35 kb |
#include <fstream>
using namespace std;
ifstream fin("litere.in");
ofstream fout("litere.out");
int n,fr[305];
int main()
{
int i,j,sol=0;
char s;
fin>>n;
for(i=1;i<=n;i++)
{
fin>>s;
fr[s]++;
for(j=s+1;j<='z';j++) sol+=fr[j];
}
fout<<sol<<"\n";
fout.close();
return 0;
}