Cod sursa(job #1122257)
Utilizator | Data | 25 februarie 2014 17:13:12 | |
---|---|---|---|
Problema | Litere | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.28 kb |
#include<fstream>
using namespace std;
int n,i,fr[256],nr;
char ch;
ifstream f("litere.in");
ofstream g("litere.out");
int main(){
f>>n;
for(i=1;i<=n;i++){
f>>ch;
fr[ch]++;
for(char j=ch+1;j<='z';j++){
nr=nr+fr[j];
}
}
g<<nr;
return 0;
}