Cod sursa(job #3290086)

Utilizator Tudor_11Tudor Ioan Calin Tudor_11 Data 29 martie 2025 12:49:16
Problema Schi Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.06 kb
#include <bits/stdc++.h>
using namespace std;
ifstream fin("schi.in");
ofstream fout("schi.out");
int aib[30001];
int v[30001];
int w[30001];
int n;
void update(int pos,int val)
{
    while(pos<=n)
    {
        aib[pos]+=val;
        pos+=(pos&(-pos));
    }
}
int get(int pos)
{
    int ans=0;
    while(pos>0)
    {
        ans+=aib[pos];
        pos-=(pos&(-pos));
    }
    return ans;
}
int main()
{
    fin>>n;
    for(int i=1;i<=n;i++)
    {
        fin>>v[i];
        update(i,1);
    }
    for(int i=n;i>=1;i--)
    {
        int st=1,dr=n+1,ans;
        while(st<dr)
        {
            int mid=(st+dr)/2;
            int x=get(mid);
            if(x>=v[i]) dr=mid;
            else if(x<v[i])
            {
                st=mid+1;
                ans=mid+1;
            }
            else
            {
                ans=mid;
                break;
            }
        }
        w[ans]=i;
        update(ans,-1);
    }
    for(int i=1;i<=n;i++)
    {
        fout<<w[i]<<'\n';
    }
    return 0;
}