Create 1959-minimum-total-space-wasted-with-k-resizing-operations.js

Author: everthis

1959-minimum-total-space-wasted-with-k-resizing-operations.js

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+/**
+ * @param {number[]} nums
+ * @param {number} k
+ * @return {number}
+ */
+const minSpaceWastedKResizing = function(nums, k) {
+  const n = nums.length, INF = 200 * 1e6;
+  const memo = Array.from({ length: 200 }, () => Array(200));
+  return dp(nums, 0, k);  
+  function dp(nums, i, k) {
+    if (i === n) return 0;
+    if (k === -1) return INF;
+    if (memo[i][k] != null) return memo[i][k];
+    let ans = INF, maxNum = nums[i], totalSum = 0;
+    for (let j = i; j < n; j++) {
+      maxNum = Math.max(maxNum, nums[j]);
+      totalSum += nums[j];
+      const wasted = maxNum * (j - i + 1) - totalSum;
+      ans = Math.min(ans, dp(nums, j + 1, k - 1) + wasted);
+    }
+    return memo[i][k] = ans;
+  }
+};
+