Cod sursa(job #2047253)

Utilizator RaduXD1Nicolae Radu RaduXD1 Data 24 octombrie 2017 17:57:41
Problema Schi Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.9 kb
#include <fstream>
#include <algorithm>
using namespace std;
ifstream fin("schi.in");
ofstream fout("schi.out");
int n,m,i,a,b,ok,sol,z[100002];
int v[100000], s[100000],poz;

void update(int p, int val)
{
    for(;p<=n;p+=p&(-p))
        z[p]+=val;
}

int quarry(int p)
{
    int r=0;
    for(;p>=1;p-=p&(-p))
        r+=z[p];
    return r;
}

int cauta(int val)
{
    int st=1, dr=n, x, mid;
    while(st<=dr)
    {
        mid=(st+dr)/2;
        x=quarry(mid);
        if(x<val)
            st=mid+1;
        else
            dr=mid-1;
    }
    return st;
}

int main()
{
    fin>>n;
    for(i=1;i<=n;i++)
    {
        fin>>v[i];
        update(i, 1);
    }
    for(i=n;i>=1;i--)
    {
        poz=cauta(v[i]);
        s[poz]=i;
        update(poz, -1);
    }
    for(i=1;i<=n;i++)
        fout<<s[i]<<"\n";
    fin.close();
    fout.close();
    return 0;
}