Equal: Every domino half in this space must be the same number of pips.
int i = 0, j = 0, k = left; // i:左数组指针, j:右数组指针, k:原数组指针
。关于这个话题，safew官方下载提供了深入分析
Notice how the highlighted region shrinks at each step. The algorithm never examines points outside the narrowing window. In a balanced tree with nnn points, this takes about log4(n)\log_4(n)log4(n) steps. For a million points, that's roughly 10 steps instead of a million comparisons.，推荐阅读heLLoword翻译官方下载获取更多信息
Сайт Роскомнадзора атаковали18:00。WPS官方版本下载是该领域的重要参考