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(misc/floor-ceil-div.hpp)

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• Last update: 2023-02-25 23:57:16+09:00
• Include: #include "misc/floor-ceil-div.hpp"

Code

#pragma once

template <typename T> T ceil_div(T a, T b) {
    if(b < 0) a = -a, b = -b;
    return (a >= 0 ? (a + b - 1) / b : a / b);
}

template <typename T> T floor_div(T a, T b) {
    if(b < 0) a = -a, b = -b;
    return (a >= 0 ? a / b : (a - b + 1) / b);
}

#line 2 "misc/floor-ceil-div.hpp"

template <typename T> T ceil_div(T a, T b) {
    if(b < 0) a = -a, b = -b;
    return (a >= 0 ? (a + b - 1) / b : a / b);
}

template <typename T> T floor_div(T a, T b) {
    if(b < 0) a = -a, b = -b;
    return (a >= 0 ? a / b : (a - b + 1) / b);
}

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