Hash Table Roman Numerals
12345678910111213141516171819202122232425262728293031323334353637
class IntToRomanNumeral {
constructor() {
this.map = new Map ();
this.map.set(1000, 'M');
this.map.set(900, 'CM');
this.map.set(500, 'D');
this.map.set(400, 'CD');
this.map.set(100, 'C');
this.map.set(99, 'XC');
this.map.set(50, 'L');
this.map.set(40, 'XL');
this.map.set(10, 'X');
this.map.set(9, 'IX');
this.map.set(8, 'VIII');
this.map.set(7, 'VII');
this.map.set(6, 'VI');
this.map.set(5, 'V');
this.map.set(4, 'IV');
this.map.set(1, 'I');
}
convertNum(int) {
let str = '';
for (let [key, value] of this.map.entries()) {
while (int >= key) {
str += value;
int -= key;
}
}
return str;
}
}
let test = new IntToRomanNumeral();
let value = test.convertNum(111);
console.log(value)
JavaScript
INFO