Create Minimum Operations to Collect Elements.java

varunu28 · web-flow · commit d202d37900ae · 2023-09-30T12:44:55.000-07:00
diff --git a/Easy/Minimum Operations to Collect Elements.java b/Easy/Minimum Operations to Collect Elements.java
@@ -0,0 +1,16 @@
+class Solution {
+    public int minOperations(List<Integer> nums, int k) {
+        boolean[] found = new boolean[k];
+        int foundCount = 0;
+        for (int i = nums.size() - 1; i >= 0; i--) {
+            if (nums.get(i) <= k && !found[nums.get(i) - 1]) {
+                found[nums.get(i) - 1] = true;
+                foundCount++;
+            }
+            if (foundCount == k) {
+                return nums.size() - i;
+            }
+        }
+        return -1;
+    }
+}
