Cod sursa(job #1684201)

Utilizator andrew_assassin789Andrei Manea andrew_assassin789 Data 10 aprilie 2016 21:20:15
Problema Xor Max Scor 20
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.67 kb
#include <fstream>
#define nmax 100005
using namespace std;
long long m[nmax];
long long v[nmax];
long long prec[nmax];
int main()
{
    ifstream f("xormax.in");
    ofstream g("xormax.out");
    long long n,i,x,valm=-1,pozm;
    f>>n;
    for (i=1;i<=n;i++)
        f>>v[i];
    for (i=1;i<=n;i++)
    {
        x=m[i-1] ^ v[i];
        if ( x > v[i] )
        {
            prec[i]=prec[i-1];
            m[i]=x;
        }
        else
        {
            prec[i]=i;
            m[i]=v[i];
        }
        if (valm<m[i])
            valm=m[i],pozm=i;
    }
    g<<valm<<' '<<prec[pozm]<<' '<<pozm<<'\n';
    f.close();
    g.close();
    return 0;
}