#1671Easy#49 in TCS's list· asked at 23 companies
Roman to Integer
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What we know
Example 1
Input: s = "III" Output: 3
Example 2
Input: s = "LVIII" Output: 58
L = 50, V = 5, III = 3.
Example 3
Input: s = "MCMXCIV" Output: 1994
M = 1000, CM = 900, XC = 90, IV = 4.
Constraints
- •
1 <= s.length <= 15 - •
scontains only the characters I, V, X, L, C, D, M. - •
sis a valid Roman numeral in the range[1, 3999].