蓝桥杯练习系统参考代码java版

蓝桥杯练习系统java参考答案

只有入门训练、基础练习和历届试题

算法训练和算法提高后续补充

目 录

入门训练........................................................................................................................................................................................................1

BEGIN-1 A+B问题................................................................................................................................................................................1

BEGIN-2 序列求和............................................................................................................................................................................... 1

BEGIN-3 圆的面积............................................................................................................................................................................... 1

BASIC-5 查找整数................................................................................................................................................................................5

BASIC-6 杨辉三角形............................................................................................................................................................................6

BASIC-7 特殊的数字............................................................................................................................................................................6

BASIC-8 回文数....................................................................................................................................................................................7

BASIC-9 特殊回文数............................................................................................................................................................................7

BASIC-10 十进制转十六进制..............................................................................................................................................................8

BASIC-11 十六进制转十进制............................................................................................................................................................10

BASIC-12 十六进制转八进制............................................................................................................................................................10

BASIC-13 数列排序............................................................................................................................................................................13

BASIC-14 时间转换............................................................................................................................................................................14

BASIC-21 Sine之舞.............................................................................................................................................................................21

BASIC-22 FJ的字符串........................................................................................................................................................................22

BASIC-23 芯片测试............................................................................................................................................................................23

BASIC-24 龟兔赛跑预测....................................................................................................................................................................23

BASIC-25 回形取数............................................................................................................................................................................24

BASIC-26 报时助手............................................................................................................................................................................26

BASIC-27 2n皇后问题........................................................................................................................................................................31

BASIC-28 Huffuman树....................................................................................................................................................................... 32

BASIC-29 高精度加法........................................................................................................................................................................33

BASIC-30 阶乘计算............................................................................................................................................................................34

ALGO-6 安慰奶牛..............................................................................................................................................................................35

ALGO-7 逆序对..................................................................................................................................................................................35

ALGO-8 操作格子..............................................................................................................................................................................35

I

ALGO-9 摆动序列..............................................................................................................................................................................35

ALGO-10 集合运算............................................................................................................................................................................35

ALGO-11 瓷砖铺放.............................................................................................................................................................................35

ALGO-12 幂方分解............................................................................................................................................................................35

ALGO-13 拦截导弹............................................................................................................................................................................35

ALGO-14 回文数................................................................................................................................................................................35

ALGO-21 装箱问题............................................................................................................................................................................36

ALGO-22 数的划分............................................................................................................................................................................36

ALGO-23 一元三次方程求解.............................................................................................................................................................36

ALGO-24 统计单词个数....................................................................................................................................................................36

ALGO-25 Car的旅行路线...................................................................................................................................................................36

ALGO-26 麦森数................................................................................................................................................................................36

ALGO-27 FBI树..................................................................................................................................................................................36

ALGO-28 星际交流............................................................................................................................................................................36

ALGO-29 校门外的树........................................................................................................................................................................36

ALGO-30 入学考试............................................................................................................................................................................36

ALGO-37 Hankson的趣味题..............................................................................................................................................................36

ALGO-38 接水问题............................................................................................................................................................................36

ALGO-39 数组排序去重....................................................................................................................................................................36

ALGO-40 会议中心............................................................................................................................................................................36

ALGO-42 送分啦................................................................................................................................................................................36

ALGO-43 A+BProblem.......................................................................................................................................................................36

ALGO-44 采油区域............................................................................................................................................................................36

ALGO-45 调和数列问题....................................................................................................................................................................37

ALGO-46 Hanoi问题...........................................................................................................................................................................37

ALGO-47 蜜蜂飞舞............................................................................................................................................................................37

ALGO-54 简单加法(基本型)..............................................................................................................................................................37

ALGO-55 矩阵加法............................................................................................................................................................................37

ALGO-56 邮票....................................................................................................................................................................................37

II

ALGO-57 删除多余括号....................................................................................................................................................................37

ALGO-58 字串逆序............................................................................................................................................................................37

ALGO-59 快速排序............................................................................................................................................................................37

ALGO-60 矩阵乘方............................................................................................................................................................................37

ALGO-61 奇偶判断............................................................................................................................................................................37

ALGO-62 平方计算............................................................................................................................................................................37

ALGO-69 字符串逆序........................................................................................................................................................................38

ALGO-70 最长字符串........................................................................................................................................................................38

ALGO-71 比较字符串........................................................................................................................................................................38

ALGO-72 成绩的等级输出.................................................................................................................................................................38

ALGO-73 统计字符次数....................................................................................................................................................................38

ALGO-74 连接字符串........................................................................................................................................................................38

ALGO-75 筛选号码............................................................................................................................................................................38

ALGO-76 十进制数转八进制数.........................................................................................................................................................38

ALGO-77 斜率计算............................................................................................................................................................................38

ALGO-78 确定元音字母位置.............................................................................................................................................................38

ALGO-85 进制转换............................................................................................................................................................................38

ALGO-86 矩阵乘法............................................................................................................................................................................38

ALGO-87 字串统计............................................................................................................................................................................38

ALGO-88 字串统计............................................................................................................................................................................38

ALGO-89 字符删除............................................................................................................................................................................38

ALGO-90 出现次数最多的整数.........................................................................................................................................................38

ALGO-91 Anagrams问题....................................................................................................................................................................39

ALGO-92 前缀表达式........................................................................................................................................................................39

ALGO-93 反置数................................................................................................................................................................................39

ALGO-94 新生舞会............................................................................................................................................................................39

ALGO-101 图形显示..........................................................................................................................................................................39

ALGO-102 数对..................................................................................................................................................................................39

ALGO-103 完数..................................................................................................................................................................................39

III

ALGO-104 阿尔法乘积......................................................................................................................................................................39

ALGO-105 黑色星期五......................................................................................................................................................................39

ALGO-106 6-3判定字符位置.............................................................................................................................................................39

ALGO-107 9-7链表数据求和操作.....................................................................................................................................................39

ALGO-108 最大体积..........................................................................................................................................................................39

ALGO-109 貌似化学..........................................................................................................................................................................39

ALGO-116 最大的算式.......................................................................................................................................................................40

ALGO-117 友好数...............................................................................................................................................................................40

ALGO-118 连续正整数的和...............................................................................................................................................................40

ALGO-119 寂寞的数...........................................................................................................................................................................40

ALGO-120 学做菜..............................................................................................................................................................................40

ALGO-121 猴子分苹果......................................................................................................................................................................40

ALGO-122 未名湖边的烦恼...............................................................................................................................................................40

ALGO-123 A+Bproblem......................................................................................................................................................................40

ALGO-124 数字三角形......................................................................................................................................................................40

ALGO-125 王、后传说......................................................................................................................................................................40

ALGO-132 Maze................................................................................................................................................................................. 40

ALGO-133 TrickyandCleverPassword................................................................................................................................................40

ALGO-134 Don'tfear,DravDeiskind....................................................................................................................................................40

ALGO-135 Multithreading...................................................................................................................................................................40

ALGO-136 BuyingSets........................................................................................................................................................................40

ALGO-137 LiftandThrow....................................................................................................................................................................41

ALGO-138 RepresentativeSampling(30_points).................................................................................................................................41

ALGO-139 s01串.................................................................................................................................................................................41

ALGO-140 P1101................................................................................................................................................................................41

ALGO-141 P1102................................................................................................................................................................................41

ALGO-148 5-1最小公倍数.................................................................................................................................................................41

ALGO-149 5-2求指数.........................................................................................................................................................................41

ALGO-150 6-1递归求二项式系数值.................................................................................................................................................41

IV