Cod sursa(job #2564303)

Utilizator RedXtreme45Catalin RedXtreme45 Data 1 martie 2020 20:01:10
Problema Schi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1 kb
#include <fstream>
#include <vector>
#define Nmax 30003
using namespace std;
ifstream fin("schi.in");
ofstream fout("schi.out");
int n,aib[Nmax],sol[Nmax],v[Nmax];
int suma(int poz)
{
    int S=0;
    while (poz>0)
    {
        S+=aib[poz];
        poz-=(poz&(-poz));
    }
    return S;
}
void update(int poz)
{
    while (poz<=n)
    {
        aib[poz]-=1;
        poz+=(poz&(-poz));
    }
}
int cautare (int p,int u,int val)
{
    int min1=Nmax+3;
    while (p<=u)
    {
        int m=(p+u)/2;
        int S=suma(m);
        if (S==val && m<min1)
            min1=m;
        if (val<=S)
            u=m-1;
        else
            p=m+1;
    }
    return min1;
}
int main()
{
    int i;
    fin>>n;
    for (i=1;i<=n;i++)
    {
        fin>>v[i];
        aib[i]=(i&(-i));
    }
    for (i=n;i>=1;i--)
    {
        int val=cautare(1,n,v[i]);
        update(val);
        sol[val]=i;
    }
    for (i=1;i<=n;i++)
        fout<<sol[i]<<"\n";
    return 0;
}