Cod sursa(job #1141042)

Utilizator Alexa2001Alexa Tudose Alexa2001 Data 12 martie 2014 15:31:41
Problema Schi Scor 5
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.9 kb
#include <cstdio>
#define ub(x) (x&(-x))

using namespace std;
int C[30009],aib[30009],n,i,a[30009];

int sm(int i)
{
    int s=0;
   for(;i>0;i-=ub(i))
   s+=aib[i];
   return s;
}

void uu(int x)
{
   for(int i=x;i<=n;i+=ub(i))
   aib[i]--;
}

int det(int x,int y)
{

  for(int i=x-1;i>=1;--i)
  if(sm(i)!=y) return i+1;
  return 1;
}

int cb(int x)
{
   int p=1,y,u=n,m;

   while(p<=u)
   {
     m=(p+u)/2;
     y=sm(m);
     if(y==x) { uu(m);return det(m,y);}
     else if(y<x) p=m+1;
     else u=m-1;
   }


}

void U(int i)
{
   for(;i<=n;i+=ub(i))
   aib[i]++;
}

int main()
{
    freopen("schi.in","r",stdin);
    freopen("schi.out","w",stdout);

    scanf("%d",&n);

    for(i=1;i<=n;++i)
    {
     scanf("%d",&a[i]);
     U(i);
    }

    for(i=n;i>=1;--i)
    C[cb(a[i])]=i;

    for(i=1;i<=n;++i)
    printf("%d\n",C[i]);


    return 0;
}