Two Python solutions compared for LeetCode Roman-to-integer problem

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A developer shared two Python approaches to solve LeetCode's Roman-to-integer conversion problem, a classic coding challenge. The first method uses a forward pointer technique, comparing adjacent numeral values to handle subtractive cases, and runs in 0ms with 12.3MB memory. The second approach maps all single and two-character Roman numeral combinations in a dictionary, checking for two-character keys first before falling back to single characters, running in 8ms with 12.4MB memory. Both solutions correctly handle subtractive notation rules, such as IV for 4 and CM for 900. The comparison highlights a trade-off between raw runtime performance and code readability.

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