Merge pull request #2437 from t3chkid/main

Adds solution for leetcode problem 1423 in Kotlin

Author: a93a

README.md

@@ -380,7 +380,7 @@ If you would like to have collaborator permissions on the repo to merge your own
 <sub>[1871 - Jump Game VII](https://leetcode.com/problems/jump-game-vii/)</sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub>
 <sub>[0134 - Gas Station](https://leetcode.com/problems/gas-station/)</sub> | <sub><div align='center'>[✔️](c%2F0134-gas-station.c)</div></sub> | <sub><div align='center'>[✔️](cpp%2F0134-gas-station.cpp)</div></sub> | <sub><div align='center'>[✔️](csharp%2F0134-gas-station.cs)</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>[✔️](go%2F0134-gas-station.go)</div></sub> | <sub><div align='center'>[✔️](java%2F0134-gas-station.java)</div></sub> | <sub><div align='center'>[✔️](javascript%2F0134-gas-station.js)</div></sub> | <sub><div align='center'>[✔️](kotlin%2F0134-gas-station.kt)</div></sub> | <sub><div align='center'>[✔️](python%2F0134-gas-station.py)</div></sub> | <sub><div align='center'>[✔️](ruby%2F0134-gas-station.rb)</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>[✔️](swift%2F0134-gas-station.swift)</div></sub> | <sub><div align='center'>[✔️](typescript%2F0134-gas-station.ts)</div></sub>
 <sub>[0846 - Hand of Straights](https://leetcode.com/problems/hand-of-straights/)</sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>[✔️](cpp%2F0846-hand-of-straights.cpp)</div></sub> | <sub><div align='center'>[✔️](csharp%2F0846-hand-of-straights.cs)</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>[✔️](go%2F0846-hand-of-straights.go)</div></sub> | <sub><div align='center'>[✔️](java%2F0846-hand-of-straights.java)</div></sub> | <sub><div align='center'>[✔️](javascript%2F0846-hand-of-straights.js)</div></sub> | <sub><div align='center'>[✔️](kotlin%2F0846-hand-of-straights.kt)</div></sub> | <sub><div align='center'>[✔️](python%2F0846-hand-of-straights.py)</div></sub> | <sub><div align='center'>[✔️](ruby%2F0846-hand-of-straights.rb)</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>[✔️](typescript%2F0846-hand-of-straights.ts)</div></sub>
-<sub>[1423 - Maximum Points You Can Obtain From Cards](https://leetcode.com/problems/maximum-points-you-can-obtain-from-cards/)</sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>[✔️](csharp%2F1423-Maximum-Points-You-Can-Obtain-from-Cards.cs)</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub>
+<sub>[1423 - Maximum Points You Can Obtain From Cards](https://leetcode.com/problems/maximum-points-you-can-obtain-from-cards/)</sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>[✔️](csharp%2F1423-Maximum-Points-You-Can-Obtain-from-Cards.cs)</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>[✔️](kotlin%2F1423-maximum-points-you-can-obtain-from-cards.kt)</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub>
 <sub>[1899 - Merge Triplets to Form Target Triplet](https://leetcode.com/problems/merge-triplets-to-form-target-triplet/)</sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>[✔️](cpp%2F1899-merge-triplets-to-form-target-triplet.cpp)</div></sub> | <sub><div align='center'>[✔️](csharp%2F1899-Merge-Triplets-to-Form-Target-Triplet.cs)</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>[✔️](java%2F1899-merge-triplets-to-form-target-triplet.java)</div></sub> | <sub><div align='center'>[✔️](javascript%2F1899-merge-triplets-to-form-target-triplet.js)</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>[✔️](python%2F1899-merge-triplets-to-form-target-triplet.py)</div></sub> | <sub><div align='center'>[✔️](ruby%2F1899-merge-triplets-to-form-target-triplet.rb)</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>[✔️](swift%2F1899-Merge-Triplets-To-Form-Target-Triplet.swift)</div></sub> | <sub><div align='center'>[✔️](typescript%2F1899-Merge-Triplets-to-Form-Target-Triplet.ts)</div></sub>
 <sub>[0763 - Partition Labels](https://leetcode.com/problems/partition-labels/)</sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>[✔️](cpp%2F0763-partition-labels.cpp)</div></sub> | <sub><div align='center'>[✔️](csharp%2F0763-partition-labels.cs)</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>[✔️](go%2F0763-partition-labels.go)</div></sub> | <sub><div align='center'>[✔️](java%2F0763-partition-labels.java)</div></sub> | <sub><div align='center'>[✔️](javascript%2F0763-partition-labels.js)</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>[✔️](python%2F0763-partition-labels.py)</div></sub> | <sub><div align='center'>[✔️](ruby%2F0763-partition-labels.rb)</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub>
 <sub>[0678 - Valid Parenthesis String](https://leetcode.com/problems/valid-parenthesis-string/)</sub> | <sub><div align='center'>[✔️](c%2F0678-valid-parenthesis-string.c)</div></sub> | <sub><div align='center'>[✔️](cpp%2F0678-valid-parenthesis-string.cpp)</div></sub> | <sub><div align='center'>[✔️](csharp%2F0678-valid-parenthesis-string.cs)</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>[✔️](java%2F0678-valid-parenthesis-string.java)</div></sub> | <sub><div align='center'>[✔️](javascript%2F0678-valid-parenthesis-string.js)</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>[✔️](python%2F0678-valid-parenthesis-string.py)</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>❌</div></sub> | <sub><div align='center'>[✔️](typescript%2F0678-valid-parenthesis-string.ts)</div></sub>

kotlin/1423-maximum-points-you-can-obtain-from-cards.kt

@@ -0,0 +1,23 @@
+class Solution {
+    fun maxScore(cardPoints: IntArray, k: Int): Int {
+        if (cardPoints.size == k) return cardPoints.sum()
+        var l = cardPoints.size - k
+        var r = cardPoints.lastIndex
+
+        var maxScore = 0
+        var currentScore = 0
+        // the sum of the initial sub-array
+        for (i in l..r) {
+            maxScore += cardPoints[i]
+            currentScore += cardPoints[i]
+        }
+
+        while (true) {
+            currentScore -= cardPoints[l++ % cardPoints.size]
+            currentScore += cardPoints[++r % cardPoints.size]
+            maxScore = maxOf(maxScore, currentScore)
+            if (l % cardPoints.size == 0) break
+        }
+        return maxScore
+    }
+}