Cod sursa(job #1183473)

Utilizator gapdanPopescu George gapdan Data 9 mai 2014 11:55:34
Problema Schi Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.88 kb
#include<cstdio>
#define LSB(x) ((-x)&(x))
using namespace std;
int n,poz,sol[30001],a[30001],AIB[100001];
void update(int x,int val)
{
    int i;
    for (i=x;i<=n;i+=LSB(i))
        AIB[i]+=val;
}
int sum(int x)
{
    int s=0,i;
    for (i=x;i>0;i-=LSB(i))
        s+=AIB[i];
    return s;
}
int cautbin(int val)
{
    int st=1,dr=n,mij=0;
    while (st<=dr)
    {
        mij=(st+dr)/2;
        if (val<=sum(mij)) dr=mij-1;
            else st=mij+1;
    }
    return st;
}
int main()
{
    int i;
    freopen("schi.in","r",stdin);
    freopen("schi.out","w",stdout);
    scanf("%d",&n);
    for (i=1;i<=n;++i)
    {
        scanf("%d",&a[i]);
        update(i,1);
    }
    for (i=n;i>=1;--i)
    {
        int poz=cautbin(a[i]);
        sol[poz]=i;
        update(poz,-1);
    }
    for (i=1;i<=n;++i)
        printf("%d\n",sol[i]);
    return 0;
}