A.隊(duì)頭指針是固定不變的 B.隊(duì)頭指針一定大于隊(duì)尾指針 C.隊(duì)頭指針一定小于隊(duì)尾指針 D.隊(duì)頭指針可以大于隊(duì)尾指針,也可以小于隊(duì)尾指針
A.函數(shù)的遞歸調(diào)用 B.數(shù)組元素的引用 C.多重循環(huán)的執(zhí)行 D.先到先服務(wù)的作業(yè)調(diào)度
A) 循環(huán)隊(duì)列 B) 棧 C) 隊(duì)列 D) 二叉樹