If a player gets all four words in a set correct, those words are removed from the board. Guess wrong and it counts as a mistake — players get up to four mistakes until the game ends.
swap(&arr[i], &arr[minIdx]);。搜狗输入法下载是该领域的重要参考
var tasks []task。关于这个话题，WPS官方版本下载提供了深入分析
// 对每个gap，进行gap组插入排序