京东笔试题

1.N（1<=N<=9）个小熊分一堆苹果，第一只小熊将苹果分成N份，多了一个，扔掉，然后拿走自己的那一份。第二只熊将剩余的苹果分成N份，又多了一个，扔掉，然后拿走自己的那一份，第三只…..，直到第N只熊；问最初的苹果有多少个？2.6*6的矩阵，从左上方开始，只经过向下或向右的步骤，到达右下方，找出经过的位置的最大价值；200,120,400,150,180,300150,250,360,120,200,130350,300,250,100,500,260100,150,260,320,100,150500,130,260,100,200,170160,100,250,200,600,200 <无> .CodeEntity .code_pieces ul.piece_anchor{width:25px;position:absolute;top:25px;left:-30px;z-index:1000;}.CodeEntity .code_pieces ul.piece_anchor li{width:25px;background: #efe;margin-bottom:2px;}.CodeEntity .code_pieces ul.piece_anchor li{border-left:3px #40AA63 solid;border-right:3px #efe solid;}.CodeEntity .code_pieces ul.piece_anchor li:hover{border-right:3px #40AA63 solid;border-left:3px #efe solid;}.CodeEntity .code_pieces ul.piece_anchor li a{color: #333;padding: 3px 10px;}.CodeEntity .code_pieces .jump_to_code{visibility:hidden;position:relative;}.CodeEntity .code_pieces .code_piece:hover .jump_to_code{visibility:visible;}.CodeEntity .code_pieces .code_piece:hover .jump_to_code a{text-decoration:none;}.CodeEntity .code_pieces h2 i{float:right;font-style:normal;font-weight:normal;}.CodeEntity .code_pieces h2 i a{font-size:9pt;background: #FFFFFF;color:#00A;padding: 2px 5px;text-decoration:none;}