Cod sursa(job #2528889)

Utilizator RedXtreme45Catalin RedXtreme45 Data 22 ianuarie 2020 18:57:49
Problema Schi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.96 kb
#include <fstream>
#include <vector>
#define Nmax 30001
using namespace std;
ifstream fin("schi.in");
ofstream fout("schi.out");
int n,v[Nmax],sol[Nmax],aib[Nmax];
int suma(int poz1)
{
    int S=0;
    for (int i=poz1;i>0;i-=(i&(-i)))
    {
        S+=aib[i];
    }
    return S;
}
void update(int poz1)
{
    for (int i=poz1;i<=n;i+=(i&(-i))){
        aib[i]--;
    }
}
int cautare(int p,int u,int val)
{
    int min1=1000001;
    while (p<=u)
    {
        int m=(p+u)/2;
        int S=suma(m);
        if (val==S && m<min1)
            min1=m;
        if (val<=S)
            u=m-1;
        else
            p=m+1;
    }
    return min1;
}
int main()
{
    int i,a;
    fin>>n;
    for (i=1;i<=n;i++)
    {
        fin>>v[i];
        aib[i]=i&(-i);
    }
    for (i=n;i>=1;i--)
    {
       int q=cautare(1,n,v[i]);
       update(q);
       sol[q]=i;
    }
    for (i=1;i<=n;i++)
        fout<<sol[i]<<"\n";
    return 0;
}