Cod sursa(job #1828239)

Utilizator usureluflorianUsurelu Florian-Robert usureluflorian Data 12 decembrie 2016 22:54:22
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 f ("litere.in");
ofstream g ("litere.out");
int n,v[10002],sol,i,j,x;
char s[10002];
int main()
{
    f>>n;
    f>>s;
    for(i=0;i<n;++i)
    {
        x=s[i]-'a';
        for(j=x+1;j<=26;++j) sol=sol+v[j];
        ++v[x];
    }
    g<<sol;
    return 0;
}