Mai intai trebuie sa te autentifici.
Cod sursa(job #1425628)
Utilizator | Data | 27 aprilie 2015 20:14:15 | |
---|---|---|---|
Problema | Order | Scor | 100 |
Compilator | cpp | Status | done |
Runda | pregatire-lot-aib | Marime | 1.1 kb |
#include <cstdio>
#define ub(x) (x&(-x))
# define INF (1<<20)
using namespace std;
int aib[30010],n,i,j,pp,x,nrm,summ;
void update(int i)
{
for (int j=i;j<=n;j+=ub(j))
aib[j]--;
}
int s(int x)
{
int rez=0;
for (int i=x;i>0;i-=ub(i))
rez+=aib[i];
return rez;
}
int cb(int x)
{
int st=1,dr=n; int mi=INF;
while (st<=dr)
{
int mij=(st+dr)/2; int su=s(mij);
if (su==x && mij<mi) mi=mij;
else if (su==x) dr=mij-1;
else if (su>x) dr=mij-1;
else st=mij+1;
}
return mi;
}
int main()
{
freopen("order.in","r",stdin);
freopen("order.out","w",stdout);
scanf("%d", &n);
for (i=1;i<=n;++i) aib[i]=ub(i);
summ=1;
x=1; nrm=n; int uu=1;
for (i=1;i<n;++i)
{
uu=i;
uu%=nrm;
if (i>1) summ=s(pp);
x=uu+summ;
x%=nrm;
if (x==0) x=nrm;
pp=cb(x);
printf("%d ", pp);
update(pp);
nrm--;
}
pp=cb(1);
printf("%d", pp);
return 0;
}