Create 2772-apply-operations-to-make-all-array-elements-equal-to-zero.js

Author: everthis

2772-apply-operations-to-make-all-array-elements-equal-to-zero.js

@@ -0,0 +1,20 @@
+/**
+ * @param {number[]} nums
+ * @param {number} k
+ * @return {boolean}
+ */
+var checkArray = function(nums, k) {
+  let cur = 0
+  let diff = Array(nums.length).fill(0)
+  const n = nums.length
+  for(let i = 0; i < n; i++) {
+    if (nums[i] != cur) {
+      diff[i] += nums[i] - cur
+      if( (i + k - 1) >= n ) return false
+      diff[i + k - 1] -= nums[i] - cur
+    }
+    if (nums[i] < cur) return false
+    cur += diff[i]
+  }
+  return true  
+};