@@ -0,0 +1,28 @@
+/**
+* @param {number[]} input
+* @param {number} minFrequencyForMaxValue
+* @return {number}
+*/
+var countSubarrays = function (input, minFrequencyForMaxValue) {
+const maxValue = Math.max(...input);
+
+let left = 0;
+let right = 0;
+let frequencyMaxValue = 0;
+let countSubarrays = 0;
+
+while (right < input.length) {
+
+frequencyMaxValue += (input[right] === maxValue) ? 1 : 0;
+
+while (frequencyMaxValue === minFrequencyForMaxValue) {
+frequencyMaxValue -= (input[left] === maxValue) ? 1 : 0;
+++left;
+}
+++right;
+
+countSubarrays += left;
+}
+
+return countSubarrays;
+};