제출 #713239

#제출 시각아이디문제언어결과실행 시간메모리
713239KoDSuper Dango Maker (JOI22_dango3)C++17
100 / 100
745 ms756 KiB
#include "dango3.h"

#include <vector>

void Solve(int N, int M) {
  auto dfs = [&](auto&& self, std::vector<int> v) -> void {
    const int size = (int)v.size() / N;
    if (size == 1) {
      Answer(v);
    } else {
      const int half = size / 2;
      std::vector<int> v2;
      for (int i = 0; i < (int)v.size();) {
        const int x = v[i];
        std::swap(v[i], v.back());
        v.pop_back();
        if (Query(v) < half) {
          v.push_back(x);
          std::swap(v[i], v.back());
          i += 1;
        } else {
          v2.push_back(x);
        }
      }
      self(self, v);
      self(self, v2);
    }
  };
  std::vector<int> v(N * M);
  for (int i = 1; i <= N * M; ++i) {
    v[i - 1] = i;
  }
  dfs(dfs, v);
}
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