Section 1Understand Problem
Section 01
Understand the problem
Restate the problem precisely. Interviewers reward candidates who pause, define the contract, and name the guarantees before coding.
Problem statement
Roman numerals are represented by seven different symbols: `I, V, X, L, C, D, M`, with values `1, 5, 10, 50, 100, 500, 1000` respectively. Given an integer, convert it to a roman numeral.
Example
num = 3 → "III"
Constraints
1 ≤ num ≤ 3999
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