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added p216

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src
- main/java/in/ashwanik/dcp/problems/p211_p240/p216
  - Solution.java
- test/java/in/ashwanik/dcp/problems/p211_p240/p216
  - SolutionTest.java

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Original file line number	Diff line number	Diff line change
`@@ -24,6 +24,9 @@ int convertRomanToDecimal(String roman) {`
`24`	`24`	`}`
`25`	`25`	`int result = 0;`
`26`	`26`	`int index = 0;`
	`27`	`+ if (roman.length() == 1) {`
	`28`	`+ return map.get(roman.charAt(0));`
	`29`	`+ }`
`27`	`30`	`while (index < roman.length()) {`
`28`	`31`	`int current = map.get(roman.charAt(index));`
`29`	`32`	`int next = map.get(roman.charAt(index + 1));`

Lines changed: 1 addition & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -8,6 +8,7 @@ public class SolutionTest {`
`8`	`8`	`@Test`
`9`	`9`	`void testRomanToDecimal() {`
`10`	`10`	`Solution solution = new Solution();`
	`11`	`+ assertEquals(5, solution.convertRomanToDecimal("V"));`
`11`	`12`	`assertEquals(4, solution.convertRomanToDecimal("IV"));`
`12`	`13`	`assertEquals(40, solution.convertRomanToDecimal("XL"));`
`13`	`14`	`assertEquals(14, solution.convertRomanToDecimal("XIV"));`

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