JS7. 无重复数组
描述
请补全JavaScript代码，实现一个函数，要求如下：示例1
输入:
getUniqueNums(2,10,4)
输出:
[4,6,2,8]
HTML/CSS/JavaScript 解法, 执行用时: 1686ms, 内存消耗: 77852KB, 提交时间: 2022-02-10
{"css":"","js":"","html":"<!DOCTYPE html>\n<html lang=\"en\">\n <head>\n <meta charset=\"UTF-8\">\n </head>\n <body>\n\n <script>\n const _getUniqueNums = (start,end,n) => {\n // 补全代码\n let arr = [];\n while(arr.length<n){\n let v =Math.floor(Math.random()*(end-1)+start)\n if(arr.indexOf(v)===-1){\n arr.push(v)\n }\n }\n return arr\n }\n </script>\n </body>\n</html>","libs":[]}
HTML/CSS/JavaScript 解法, 执行用时: 1694ms, 内存消耗: 77876KB, 提交时间: 2022-02-09
{"css":"","js":"","html":"<!DOCTYPE html>\n<html lang=\"en\">\n <head>\n <meta charset=\"UTF-8\">\n </head>\n <body>\n\n <script>\n const _getUniqueNums = (start,end,n) => {\n // 补全代码\n let arr = []\n for(let i=0;i<n;i++){\n let num = parseInt(Math.random() * (end - start)) + start\n while (arr.indexOf(num)!== -1) {\n num = parseInt(Math.random() * (end - start)) + start\n }\n arr.push(num)\n }\n return arr\n }\n </script>\n </body>\n</html>","libs":[]}
HTML/CSS/JavaScript 解法, 执行用时: 1746ms, 内存消耗: 77772KB, 提交时间: 2021-12-03
{"css":"","js":"","html":"<!DOCTYPE html>\n<html lang=\"en\">\n <head>\n <meta charset=\"UTF-8\">\n </head>\n <body>\n\n <script>\n const _getUniqueNums = (start,end,n) => {\n // 补全代码\n if (n > end - start + 1) return [];\n let arr = [];\n for (let i = 0; i < n; i++){\n let num;\n do {\n num = Math.round(Math.random() * (end - start + 1)) + start;\n }while (arr.includes(num))\n arr.push(num);\n }\n return arr;\n }\n </script>\n </body>\n</html>","libs":[]}
HTML/CSS/JavaScript 解法, 执行用时: 1747ms, 内存消耗: 77928KB, 提交时间: 2021-12-05
{"css":"","js":"","html":"<!DOCTYPE html>\n<html lang=\"en\">\n <head>\n <meta charset=\"UTF-8\">\n </head>\n <body>\n\n <script>\n const _getUniqueNums = (start,end,n) => {\n // 补全代码\n let arr = [];\n while( arr.length<n){\n let v = Math.floor(Math.random()*(end -1 )+start);\n if(arr.indexOf(v) ===-1){\n arr.push(v);\n }\n }\n \n return arr;\n }\n </script>\n </body>\n</html>","libs":[]}
HTML/CSS/JavaScript 解法, 执行用时: 1748ms, 内存消耗: 77792KB, 提交时间: 2022-02-09
{"css":"","js":"","html":"<!DOCTYPE html>\n<html lang=\"en\">\n <head>\n <meta charset=\"UTF-8\">\n </head>\n <body>\n\n <script>\n const _getUniqueNums = (start, end, n) => {\n // 补全代码\n var arr = [];\n let i = 0;\n while (i < n) {\n let number = parseInt(Math.random() * (end - start) + start);\n if (arr.indexOf(number) === -1) {\n arr.push(number);\n i++;\n }\n }\n return arr;\n }\n </script>\n </body>\n</html>","libs":[]}