Create 1658-minimum-operations-to-reduce-x-to-zero.kt

Author: a93a

kotlin/1658-minimum-operations-to-reduce-x-to-zero.kt

@@ -0,0 +1,22 @@
+class Solution {
+    fun minOperations(nums: IntArray, x: Int): Int {
+        var left = 0
+        var max = -1
+        var cur = 0
+        var target = nums.sum()!! - x
+
+        for (right in 0 until nums.size) {
+            cur += nums[right]
+            
+            while (left <= right && cur > target) {
+                cur -= nums[left++]
+            } 
+
+            if (cur == target) {
+                max = maxOf(max, right - left + 1)
+            }
+        }
+
+        return if (max == -1) -1 else nums.size - max
+    }
+}