#755Medium#7 in DoorDash's list· asked at 16 companies
Integer to Roman
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What we know
Example 1
Input: num = 3749 Output: "MMMDCCXLIX"
3000 = MMM, 700 = DCC, 40 = XL, 9 = IX.
Example 2
Input: num = 58 Output: "LVIII"
Example 3
Input: num = 1994 Output: "MCMXCIV"
Constraints
- •
1 <= num <= 3999 - •
The result uses only the symbols I, V, X, L, C, D and M.