Cod sursa(job #2720026)

Utilizator Catalinu23Gavrila Catalin Catalinu23 Data 10 martie 2021 15:29:04
Problema Schi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.13 kb
#include <bits/stdc++.h>

using namespace std;

ifstream fin("schi.in");
ofstream fout("schi.out");

int n;
int aib[30005], a[30005], v[30005];

void Update(int poz, int x)
{
    while(poz <= n)
    {
        aib[poz]+=x;
        poz=poz+(poz & (-poz));
    }
}

int Suma(int poz)
{
    int s = 0;
    while(poz > 0)
    {
        s+=aib[poz];
        poz = poz-(poz&(-poz));
    }
    return s;
}

int Cautbin(int s)
{
    int st, dr, suma, sol;
    st = 1;
    dr = n;
    sol = -1;
    while(st <= dr)
    {
        int mij=(st+dr)/2;
        mij = (st + dr) / 2;
        suma = Suma(mij);
        if(suma == s)
            sol = mij, dr = mij - 1;
        else if(suma > s)
            dr = mij - 1;
        else
            st = mij + 1;
    }
    return sol;
}

int main()
{
    int i, p;
    fin >> n;
    for(i = 1; i <= n; i++)
        Update(i, 1);
    for(i = 1; i <= n; i++)
        fin >> v[i];
    for(i = n; i >= 1; i--)
    {
        p = Cautbin(v[i]);
        a[p] = i;
        Update(p, -1);
    }
    for(i = 1; i <= n; i++)
        fout << a[i] << "\n";
    return 0;
}