src/search/binary_search.hpp

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• Last update: 2022-12-24 14:04:00+09:00
• Include: #include "src/search/binary_search.hpp"

Verified with

• test/aoj/alds1_4_b.test.cpp

Code

#pragma once

#include <bits/stdc++.h>
using namespace std;

template <typename T> T bin_search(T ng, T ok, function<bool(T)> is_ok) {
  while (abs(ok - ng) > 1) {
    T mid = (ok + ng) / 2;

    if (is_ok(mid)) {
      ok = mid;
    } else {
      ng = mid;
    }
  }
  return ok;
}

#line 2 "src/search/binary_search.hpp"

#include <bits/stdc++.h>
using namespace std;

template <typename T> T bin_search(T ng, T ok, function<bool(T)> is_ok) {
  while (abs(ok - ng) > 1) {
    T mid = (ok + ng) / 2;

    if (is_ok(mid)) {
      ok = mid;
    } else {
      ng = mid;
    }
  }
  return ok;
}

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