题解 | #[NOIP2008]ISBN号码#

[NOIP2008]ISBN号码

https://www.nowcoder.com/practice/95712f695f27434b9703394c98b78ee5

#include <stdio.h>
#include <string.h>
#define N 15

int main() {
    char str[N] = { 0 };

    while (~scanf("%s", str)) {
        // 记录识别码
        int sum = 0;
        // 相乘的数字
        int count = 1;

        // 获取识别码
        for (int i = 0; i <= strlen(str) - 2; i++) {
            if (((str[i] - 48) >= 0) && ((str[i] - 48) <= 9)) {
                sum += ((str[i] - 48) * count);
                count++;
            }
        }
        //比较通过计算的识别码与输入的识别码
        // 正确的识别码下输入Right
        if (sum % 11 == 10 && 'X' == str[strlen(str) - 1]) {
            printf("Right\n");
        } else if ((sum % 11) == str[strlen(str) - 1] - 48) {
            printf("Right\n");
        } else {
            // 错误识别码下的输入
            if (sum % 11 != 10 && 'X' == str[strlen(str) - 1]) {
                str[strlen(str) - 1] = (sum % 11) + '0';
                printf("%s\n", str);
            } else if (sum % 11 == 10 && 'X' != str[strlen(str) - 1]) {
                str[strlen(str) - 1] = 'X';
                printf("%s\n",str);
            }
             else
            {
                str[strlen(str) - 1] = sum % 11 + '0';
                printf("%s\n",str);
            }
        }
    }

    return 0;
}

全部评论

相关推荐

1.自我介绍2.介绍一下mcp,&nbsp;skills3.了解react哪些状态管理库4.对话是sse还是什么?是用fetch还是EventSource?5.ts中的any&nbsp;和&nbsp;unknown讲一讲6.是直接用组件库的组件还是自己封装了一些别的7.代码输出题1function&nbsp;main()&nbsp;{{var&nbsp;a&nbsp;=&nbsp;1let&nbsp;b&nbsp;=&nbsp;2}console.log(a);console.log(b);}main()console.log(a);8.什么是块级作用域&nbsp;全局作用域&nbsp;函数作用域9.代码输出题2for&nbsp;(var&nbsp;i&nbsp;=&nbsp;0;i&nbsp;&amp;lt;&nbsp;5;i++)&nbsp;{setTimeout(()&nbsp;=&amp;gt;&nbsp;{console.log(i);},&nbsp;100);}10.代码输出题3for&nbsp;(var&nbsp;i&nbsp;=&nbsp;0;&nbsp;i&nbsp;&amp;lt;&nbsp;5;&nbsp;i++){function&nbsp;printText(temp)&nbsp;{setTimeout(()&nbsp;=&amp;gt;&nbsp;{console.log(temp);},&nbsp;100);}printText(i)}11.代码输出题4for(var&nbsp;i&nbsp;=&nbsp;0;i&nbsp;&amp;lt;&nbsp;5;i++){function&nbsp;printText(temp)&nbsp;{var&nbsp;temp&nbsp;=&nbsp;isetTimeout(()&nbsp;=&amp;gt;&nbsp;{console.log(temp);},&nbsp;100);}printText(i)}12.代码输出题5for(var&nbsp;i&nbsp;=&nbsp;0;i&nbsp;&amp;lt;&nbsp;5;i++){function&nbsp;printText(temp)&nbsp;{setTimeout(()&nbsp;=&amp;gt;&nbsp;{var&nbsp;temp&nbsp;=&nbsp;iconsole.log(temp);},&nbsp;100);}printText(i)}13.点击控制台输出题export&nbsp;default&nbsp;function&nbsp;App()&nbsp;{const&nbsp;[count,&nbsp;setCount]&nbsp;=&nbsp;useState(0)console.log('render',count)return&nbsp;(&lt;div&gt;&lt;h1&gt;{count}&lt;/h1&gt;{setCount(count&nbsp;+&nbsp;1)setTimeout(()&nbsp;=&amp;gt;&nbsp;console.log('setTimeout',&nbsp;count),&nbsp;1000)}}&amp;gt;+1&lt;/div&gt;)}//这个组件点击按钮后,控制台的输出顺序和值如下://&nbsp;1.&nbsp;render&nbsp;1&nbsp;(组件重新渲染,&nbsp;count&nbsp;更新为&nbsp;1)//&nbsp;2.&nbsp;setTimeout&nbsp;0&nbsp;(1秒后输出,注意这里是&nbsp;0&nbsp;而不是&nbsp;1)14.算法:给有序数组arr&nbsp;=&nbsp;[-4,&nbsp;-1,&nbsp;0,&nbsp;3,&nbsp;5],返回平方后的排序//&nbsp;有序数组平方后排序const&nbsp;arr&nbsp;=&nbsp;[-4,&nbsp;-1,&nbsp;0,&nbsp;3,&nbsp;5]function&nbsp;solution(arr)&nbsp;{const&nbsp;len&nbsp;=&nbsp;arr.lengthconst&nbsp;result&nbsp;=&nbsp;new&nbsp;Array(len)let&nbsp;left&nbsp;=&nbsp;0let&nbsp;right&nbsp;=&nbsp;len&nbsp;-&nbsp;1let&nbsp;index&nbsp;=&nbsp;len&nbsp;-&nbsp;1while&nbsp;(left&nbsp;&amp;lt;=&nbsp;right)&nbsp;{if&nbsp;(arr[left]&nbsp;*&nbsp;arr[left]&nbsp;&amp;gt;&nbsp;arr[right]&nbsp;*&nbsp;arr[right])&nbsp;{result[index]&nbsp;=&nbsp;arr[left]&nbsp;*&nbsp;arr[left]left++}&nbsp;else&nbsp;{result[index]&nbsp;=&nbsp;arr[right]&nbsp;*&nbsp;arr[right]right--}index--}return&nbsp;result}console.log(solution(arr));15.反问
查看14道真题和解析
点赞 评论 收藏
分享
评论
点赞
收藏
分享

创作者周榜

更多
牛客网
牛客网在线编程
牛客网题解
牛客企业服务