Cod sursa(job #2030482)

Utilizator MihneaGhiraMihnea MihneaGhira Data 1 octombrie 2017 17:50:53
Problema Litere Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.32 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
ifstream fin("litere.in");
ofstream fout("litere.out");
int n,i,nr,j;
int c[30];
char A;
int main(){
    fin>>n;
    for(i=1;i<=n;i++){
        fin>>A;
        c[A-'a']++;
        for(j=A-'a'+1;j<='z'-'a';j++)
            nr+=c[j];
    }
    fout<<nr;
    return 0;
}