Enumerate subsets (Ascending order)
(Mylib/Bit/enumerate_subsets_asc.cpp)

• View this file on GitHub
• Last update: 2021-04-23 23:44:44+09:00
• Link: View error logs on GitHub Actions

Operations

Requirements

Notes

Problems

References

Verified with

• test/aoj/3034/main.test.cpp
• test/aoj/ITP2_11_C/main.asc.test.cpp

Code

#pragma once

namespace haar_lib {
  template <typename Func>
  void enumerate_subsets_asc(int a, const Func &f) {
    for (int t = 0;; t = (t - a) & a) {
      if (not f(t)) break;
      if (t == a) break;
    }
  }
}  // namespace haar_lib

#line 2 "Mylib/Bit/enumerate_subsets_asc.cpp"

namespace haar_lib {
  template <typename Func>
  void enumerate_subsets_asc(int a, const Func &f) {
    for (int t = 0;; t = (t - a) & a) {
      if (not f(t)) break;
      if (t == a) break;
    }
  }
}  // namespace haar_lib

Back to top page