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  1. #include <bits/stdc++.h>
  2. #include "findposition.h"
  3. using namespace std;
  4.  
  5. const int MAXN = 8e4;
  6.  
  7. int n, k;
  8. int t[4 * MAXN];
  9.  
  10. void build(int v, int tl, int tr)
  11. {
  12.     if (tl == tr) {
  13.         t[v] = tl;
  14.     }
  15.     else {
  16.         int tm = (tl + tr) / 2;
  17.         build(v * 2, tl, tm);
  18.         build(v * 2 + 1, tm + 1, tr);
  19.         t[v] = (IsLess(t[v * 2] + 1, t[v * 2 + 1] + 1) ? t[v * 2] : t[v * 2 + 1]);
  20.     }
  21. }
  22.  
  23. void update(int v, int tl, int tr, int pos)
  24. {
  25.     if (tl == tr) {
  26.         t[v] = -1;
  27.     }
  28.     else {
  29.         int tm = (tl + tr) / 2;
  30.         if (pos <= tm)
  31.             update(v * 2, tl, tm, pos);
  32.         else
  33.             update(v * 2 + 1, tm + 1, tr, pos);
  34.         if (t[v * 2] == -1 && t[v * 2 + 1] == -1)
  35.             t[v] = -1;
  36.         else if (t[v * 2] == -1)
  37.             t[v] = t[v * 2 + 1];
  38.         else if (t[v * 2 + 1] == -1)
  39.             t[v] = t[v * 2];
  40.         else
  41.             t[v] = (IsLess(t[v * 2] + 1, t[v * 2 + 1] + 1) ? t[v * 2] : t[v * 2 + 1]);
  42.     }
  43. }
  44.  
  45. int main()
  46. {
  47.     Init(n, k);
  48.     build(1, 0, n - 1);
  49.     for (int i = 0; i < k - 1; i++) {
  50.         update(1, 0, n - 1, t[1]);
  51.     }
  52.     Finish(t[1] + 1);
  53.     return 0;
  54. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.cpp:2:26: fatal error: findposition.h: No such file or directory
 #include "findposition.h"
                          ^
compilation terminated.
stdout
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Standard output is empty
https://ideone.com/2Rz6Q9
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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