Cod sursa(job #1856073)

Utilizator GeanaVladGeana Vlad GeanaVlad Data 24 ianuarie 2017 14:56:54
Problema Schi Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.92 kb
#include <iostream>
#include<fstream>
using namespace std;
ifstream f("schi.in");
ofstream g("schi.out");
int n,i,v[30001],ans[30001],poz,aib[30001];
int zeroes(int x)
{
    return ((x^(x-1))&x);
}
void add(int poz,int quantity)
{
    for(int i=poz;i<=n;i+=zeroes(i))
        aib[i]+=quantity;
}
int compute(int poz)
{
    int ret=0;
    for(int i=poz;i>=1;i-=zeroes(i))
        ret+=aib[i];
    return ret;
}
void caut_bin(int ls,int ld,int x)
{
    if(ls<=ld)
    {
        int m=(ls+ld)/2;
        if(compute(m)>=x)
        {
            poz=m;
            caut_bin(ls,m-1,x);
        }
        else
            caut_bin(m+1,ld,x);
    }
}
int main()
{
    f>>n;
    for(i=1;i<=n;i++)
    {
        f>>v[i];
        add(i,1);
    }
    for(i=n;i>=1;i--)
    {
        caut_bin(1,n,v[i]);
        ans[poz]=i;
        add(poz,-1);
    }
    for(i=1;i<=n;i++)
        g<<ans[i]<<'\n';
}