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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. struct sg_tree
  6. {
  7.     static const int MPOW=18;
  8.     static const int N=1<<MPOW-1;
  9.     int arr[N<<1];
  10.  
  11.     sg_tree(){fill(arr,arr+(N<<1),0);}
  12.  
  13.     void add(int x)
  14.     {
  15.         x+=N;
  16.         arr[x]=1;
  17.         while(x>>=1)
  18.             arr[x]=arr[x<<1]+arr[(x<<1)+1];
  19.     }
  20.  
  21.     int get(int c,int cl,int cr,int x,int left)
  22.     {
  23.         if(cl==cr)
  24.         {
  25.             arr[c]=0;
  26.             return c-N;
  27.         }
  28.         int cm=(cl+cr)>>1,ret;
  29.         if(arr[c<<1]+left<=x)
  30.             ret=get((c<<1)+1,cm+1,cr,x,left+arr[c<<1]);
  31.         else
  32.             ret=get(c<<1,cl,cm,x,left);
  33.         arr[c]=arr[c<<1]+arr[(c<<1)+1];
  34.         return ret;
  35.     }
  36.  
  37.     int get(int x)
  38.     {
  39.         return get(1,0,N-1,x,0);
  40.     }
  41. } soldiers;
  42. main()
  43.  {
  44.     ios::sync_with_stdio(0);
  45.     cin.tie(0);
  46.     int n,k;
  47.     cin>>n>>k;
  48.     for(int i=0;i<n;i++)
  49.         soldiers.add(i+1);
  50.     int cur=0;
  51.     while(n)
  52.     {
  53.         cur=(cur+k-1)%n;
  54.         cout<<soldiers.get(cur)<<endl;
  55.         --n;
  56.     }
  57. }
  58.  
Success #stdin #stdout 0s 4468KB
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https://ideone.com/pajZsf
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
secret

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