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Cod sursa(job #643580)
#include<fstream>
#define inf "order.in"
#define outf "order.out"
#define NMax 30010
#define Dim 65536
using namespace std;
fstream f(inf, ios::in), g(outf, ios::out);
int N, A[Dim];
int pos, val, m, answer;
void update(int n, int left, int right)
{
if( left==right ) {
A[n] += val;
return;
}
m = (left+right)>>1;
if( pos<=m ) update(n<<1, left, m);
else update((n<<1)+1, m+1, right);
A[n] = A[n<<1] + A[(n<<1)+1];
}
void query(int n, int left, int right, int p)
{
if( left==right ) {
answer = left;
return;
}
m = (left+right)>>1;
if( p<=A[n<<1] ) query(n<<1, left, m, p);
else query((n<<1)+1, m+1, right, p-A[n<<1]);
}
int main()
{
f>>N;
for(int i=1; i<=N; i++)
{
pos = i; val = 1;
update(1,1,N);
}
int j = 1;
for(int i=0; i<N; i++)
{
j = (j+i)%(N-i);
query(1, 1, N, j+1);
g<<answer<<" ";
pos = answer; val = -1;
update(1, 1, N);
}
f.close(); g.close();
return 0;
}