Create 1176-diet-plan-performance.js

Author: everthis

1176-diet-plan-performance.js

@@ -0,0 +1,19 @@
+/**
+ * @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; i < n - k + 1; i++) {
+      let tmp = 0
+      for(let j = 0; j < k && i + j < n; j++) {
+        tmp += calories[i + j]
+      }
+      if(tmp < lower) res--
+      else if(tmp > upper) res++
+    }
+    return res
+};