Cod sursa(job #2112787)

Utilizator usureluflorianUsurelu Florian-Robert usureluflorian Data 23 ianuarie 2018 20:52:20
Problema Schi Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.94 kb
#include <fstream>
using namespace std;
ifstream f ("schi.in");
ofstream g ("schi.out");
const int nmax=3e4+3;
int n,v[nmax],sol[nmax],usu[nmax],x;
void update(int x,int val)
{
    while(x<=n)
    {
        usu[x]+=val;
        x+=(x&-x);
    }
}
int query(int x)
{
    int sol=0;
    while(x)
    {
        sol+=usu[x];
        x-=(x&-x);
    }
    return sol;
}
int cb(int val)
{
    int st=1,dr=n,m,x=-1,sol,aux;
    while(st<=dr)
    {
        m=(st+dr)/2;
        aux=query(m);
        if(aux==val)
        {
            sol=m;
            dr=m-1;
        }
        else if(aux<val) st=m+1;
        else dr=m-1;
    }
    return sol;
}
int main()
{
    f>>n;
    for(int i=1;i<=n;++i)
    {
          f>>v[i];
          update(i,1);
    }
    for(int i=n;i>=1;--i)
    {
        x=cb(v[i]);
        sol[x]=i;
        update(x,-1);
    }
    for(int i=1;i<=n;++i) g<<sol[i]<<'\n';
    return 0;
}