DuongNhi99

LEVELS

Dec 16th, 2020
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C++ 1.08 KB | None | 0 0
  1. #include <bits/stdc++.h>
  2. #define int64_t long long
  3. using namespace std;
  4.  
  5. const int N = 20;
  6.  
  7. int n, m;
  8. vector<pair<int, int> > a;
  9.  
  10. int main() {
  11. #ifdef DN
  12.     //freopen("in.txt", "r", stdin);
  13. #endif
  14.     freopen("LEVELS.inp", "r", stdin);
  15.     freopen("LEVELS.out", "w", stdout);
  16.     ios_base::sync_with_stdio(false);
  17.     cin.tie(NULL); cout.tie(NULL);
  18.  
  19.     cin >> n;
  20.     m = 1 << n;
  21.     for(int i = 0; i < m; ++i) {
  22.         int x; cin >> x;
  23.         a.push_back({x, i});
  24.     }
  25.     sort(a.begin(), a.end());
  26.  
  27.     vector<int> ans(m, n);
  28.  
  29.     int sizes = m - 1;
  30.     int level = 0;
  31.     int tmp = a[sizes].first;
  32.  
  33.     while(true) {
  34.         while(sizes >= 0 && a[sizes].first == tmp) {
  35.             ans[a[sizes--].second] = level;
  36.         }
  37.  
  38.         if(sizes <= 0) break;
  39.  
  40.         tmp = a[sizes].first;
  41.         int p = sizes + 1;
  42.  
  43.         for(int i = n - 1; i >= 0; --i) {
  44.             if(p >> i & 1) {
  45.                 level = n - i;
  46.                 break;
  47.             }
  48.         }
  49.     }
  50.  
  51.     for(int i = 0; i < m; ++i)
  52.         cout << ans[i] << ' ';
  53.  
  54.     return 0;
  55. }
  56.  
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