Update 1176-diet-plan-performance.js

Author: everthis

1176-diet-plan-performance.js

@@ -1,3 +1,28 @@
+/**
+ * @param {number[]} calories
+ * @param {number} k
+ * @param {number} lower
+ * @param {number} upper
+ * @return {number}
+ */
+var dietPlanPerformance = function(calories, k, lower, upper) {
+    let res = 0
+    for(let i = 0, n = calories.length, tmp = 0; i < n; i++) {
+      tmp += calories[i]
+      if(i >= k - 1) {
+        if(i >= k) {
+          tmp -= calories[i - k]
+        }
+        if(tmp < lower) res--
+        else if(tmp > upper) res++
+      }
+
+    }
+    return res
+};
+
+// another
+
 /**
  * @param {number[]} calories
  * @param {number} k