Cod sursa(job #2791448)

Utilizator answarIonascu Andrei answar Data 30 octombrie 2021 15:23:23
Problema Litere Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.31 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
int n,i,j,sol;
char x;
int v[123];
ifstream cin("litere.in");
ofstream cout("litere.out");
int main() {
    cin>>n;
    for (i=1;i<=n;i++){
        cin>>x;
        for (j=x+1;j<=122;j++) {
            sol+=v[j];
        }
        v[x]++;
    }
    cout<<sol;
}