graphs/cpp/closer_to/closer_to.cc


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//
// Created by martial.simon on 2/25/25.
//
#include "closer_to.hh"
CloserTo::CloserTo(int i)
    : i_{ i }
{}
bool CloserTo::operator()(int a, int b) const
{
    const int da = a - i_ >= 0 ? a - i_ : i_ - a;
    const int db = b - i_ >= 0 ? b - i_ : i_ - b;
    if (da == db)
        return a < b;
    return da < db;
}