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罗马数字转换器

function convertToRoman(num) {
    var decimal=[1000,900,500,400,100,90,50,40,10,9,5,4,1];
    var romanNumeral=["M","CM","D","CD","C","XC","L","XL","X","IX","V","IV","I"];  //与上面一一对应
    var result="";
    // 循环
    for(let i=0;i<decimal.length;i++){
        // 这里使用if的话就缺失了循环的性质  所以用while
        while(decimal[i]<=num){
            result+=romanNumeral[i];
            num-=decimal[i];
        }
    }
 return result;
}
convertToRoman(36);

本文标签: 罗马数字转换器