Cod sursa(job #2671333)

Utilizator valentina_veleatVeleat Valentina-Georgiana valentina_veleat Data 11 noiembrie 2020 22:19:48
Problema Schi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.84 kb
#include <bits/stdc++.h>
#define ub(x) (x&(-x))
#define nmax 30005
using namespace std;
ifstream f("schi.in");ofstream g("schi.out");
int aib[nmax],n,x,v[nmax],sol[nmax];
void dec(int x)
{
    for(int i=x;i<=n;i+=ub(i))aib[i]--;
}
int sum(int x)
{
    int s=0;
    for(int i=x;i>0;i-=ub(i))s+=aib[i];
    return s;
}
int cautbin(int x)
{
    int st=1,dr=n,minim=2147483647;
    while(st<=dr)
    {
        int mij=(st+dr)/2;
        int s=sum(mij);
        if(s==x && mij<minim)minim=mij;
        else if(s>=x)dr=mij-1;
        else st=mij+1;
    }
    return minim;
}
int main()
{
    f>>n;
    for(int i=1;i<=n;i++)f>>v[i];
    for(int i=1;i<=n;i++)aib[i]=ub(i);
    for(int i=n;i>=1;i--)
    {
        x=cautbin(v[i]);
        sol[x]=i;
        dec(x);
    }
    for(int i=1;i<=n;i++)g<<sol[i]<<'\n';
    return 0;
}