A.44,5,15 B.28,45,62 C.6,57,125 D.201,31,48
A.隊(duì)列B.二叉樹(shù)C.樹(shù)D.森林
A.(19,21,37,5,2) B.(19,21,5,2,37) C.(19,21,5,37,2) D.(19,21,2,5,37)