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15 changes: 14 additions & 1 deletion roman_numerals.js
Original file line number Diff line number Diff line change
@@ -1,5 +1,18 @@
function to_roman (num) {
// your implementation code here
// menerima angka 1 - 3000, dan me return string angka romawi
var hasil = '';
var arabic = [1000, 900, 500, 400, 100,90, 50, 40, 10, 9, 5, 4, 1]
var romawi = ['M', 'CM', 'D', 'CD', 'C', 'XC', 'L', 'XL' ,'X', 'IX', 'V', 'IV', 'I']
// EX 13 >>> 10 + 1 + 1 + 1

for (var i = 0; i < arabic.length; i++){
// ketika num nya 3, romawinya ditambah 'I' +'I' +'I'
while (num >= arabic[i]){
hasil = hasil + romawi[i] // ini misalkan 4, '' + romawi[i], maka saat masuk ke bawah dia sudah selesai (4-4 = 0) 0 tdk masuk ke kondisi while
num = num - arabic[i] // Ex angkanya 3 => 3 -1 jadilah 'I', 2 - 1 jadilah 'I', 1 = i > '1'
}
}
return hasil
}

// Drive code
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