整数转换成罗马数字

时间 2019-12-06

标签整数转换罗马数字繁體版

原文原文链接

题目：javascript

给定一个整数，将其转换为罗马数字。html

输入保证在1到3999的范围内。java

答案：git

<!DOCTYPE html>
<html lang="en">
   <head>
       <meta charset="utf-8">
       <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no" />
       <title></title>
   </head>scala

   <body>
       <script type="text/javascript">
           function nums(num1,num2){
               if(num2 == 0 || num1 == Number.MIN_VALUE && num2 == -1){
                   return Number.MAX_VALUE;
               }
               var r = 0;
               var sign = (num1 > 0 && num2 > 0) || (num1 < 0 && num2 < 0) ? 1 : -1;
               if(num1 > 0){
                   num1 = ~num1 + 1;
               }
               if(num2 > 0){
                   num2 = ~num2 + 1;
               }
               var digit = 0;
               while(num1 - num2 <= num2){
                   num2 <<= 1;
                   digit++;
               }
               num2 >>= digit;
               for(var i = digit; i>=0; i--){
                   if(num1 <= num2 << i){
                       r += 1 << i;
                       num1 -= num2 << i;
                   }
               }
               return sign > 0 ? r : -r;
           }
           nums(10,3);
           console.log(nums(10,3));

       </script>
   </body>
</html>htm