math/ceil-div.hpp

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• Last update: 2023-07-08 14:12:19+09:00
• Include: #include "math/ceil-div.hpp"

Depends on

• math/base.hpp

Verified with

• test/atcoder/other/yahoo2019/A.test.cpp

Code

#pragma once

#include "./base.hpp"

#include <cassert>

namespace matumoto {
  constexpr ll ceil_div(ll n, ll d) {
    assert(d != 0);
    return n / d + (((n ^ d) >= 0) and (n % d));
  }
} // namespace matumoto

#line 2 "math/ceil-div.hpp"

#line 2 "math/base.hpp"

namespace matumoto {
  using namespace std;
  using ll = long long;
} // namespace matumoto
#line 4 "math/ceil-div.hpp"

#include <cassert>

namespace matumoto {
  constexpr ll ceil_div(ll n, ll d) {
    assert(d != 0);
    return n / d + (((n ^ d) >= 0) and (n % d));
  }
} // namespace matumoto

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