Update src/main/java/com/thealgorithms/dynamicprogramming/LongestArithmeticSubsequence.java

tejaswi0910 · vil02 · web-flow · commit 85a850b7e016 · 2024-10-03T10:57:11.000+05:30
Co-authored-by: Piotr Idzik &lt;65706193+vil02@users.noreply.github.com&gt;
diff --git a/src/main/java/com/thealgorithms/dynamicprogramming/LongestArithmeticSubsequence.java b/src/main/java/com/thealgorithms/dynamicprogramming/LongestArithmeticSubsequence.java
@@ -21,12 +21,8 @@ public static int getLongestArithmeticSubsequenceLength(int[] nums) {
             throw new IllegalArgumentException("Input array cannot be null");
         }
 
-        if (nums.length == 0) {
-            return 0;
-        }
-
-        if (nums.length == 1) {
-            return 1;
+        if (nums.length <= 1) {
+            return nums.length;
         }
 
         HashMap<Integer, Integer>[] dp = new HashMap[nums.length];

Original file line number	Diff line number	Diff line change
`@@ -21,12 +21,8 @@ public static int getLongestArithmeticSubsequenceLength(int[] nums) {`
`21`	`21`	`throw new IllegalArgumentException("Input array cannot be null");`
`22`	`22`	`}`
`23`	`23`
`24`		`- if (nums.length == 0) {`
`25`		`- return 0;`
`26`		`- }`
`27`		`-`
`28`		`- if (nums.length == 1) {`
`29`		`- return 1;`
	`24`	`+ if (nums.length <= 1) {`
	`25`	`+ return nums.length;`
`30`	`26`	`}`
`31`	`27`
`32`	`28`	`HashMap<Integer, Integer>[] dp = new HashMap[nums.length];`