A C++ solution to Leetcode 13. Roman to Integer using Hash table. — Problem statement Roman numerals utilize seven symbols: I, V, X, L, C, D, and M to represent numbers. Symbol Value
I 1
V 5
X 10
L 50
C 100
D 500
M 1000 For example, 2 is denoted as II, which is essentially two ones added together. Similarly, 12 is represented…