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java编程题 - SegmentFault 思否

 3 years ago
source link: https://segmentfault.com/a/1190000040151464
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java编程题

  • 前言
    写一些Java编程题有助于稳定基础，希望大家一起进步
    注：本片文章有 借鉴编程前辈。

1.水仙花数


int num1,num2,num3;
        for (int i = 100; i < 1000; i++) {

            // 百
            num1 = i / 100;
            // 十
            num3 = i % 100 / 10 ;
            // 个
            num2 = i % 10 ;

            if ((num1 * num1 * num1 + num2 * num2 * num2 + num3 * num3 * num3) == i){
                System.out.println(i);
            }
        }

解析：
注意int 类型不保留小数 所以 1.53 = 1
百
153 / 100 = 1.53
十
153 % 100 = 53; (53 / 10 = 5.3 )
个
153 % 10 = 3


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