[LeetCode] Roman to Integer
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Total Accepted: 56002 Total Submissions: 159037 Difficulty: Easy
Given a roman numeral, convert it to an integer.
Input is guaranteed to be within the range from 1 to 3999.
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public class Solution { public int romanToInt(String s) {String roman = "MDCLXVI";int[]Int={1000,500,100,50,10,5,1};int result = 0;for(int i=0;i<s.length()-1;i++){if(roman.indexOf(s.charAt(i))>roman.indexOf(s.charAt(i+1))){result-=Int[roman.indexOf(s.charAt(i))];}else{result+=Int[roman.indexOf(s.charAt(i))];}}result+=Int[roman.indexOf(s.charAt(s.length()-1))];return result; }}
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