Frequency of each element in an array

algorithms/CPlusPlus/Arrays/frequency-of-number.cpp

@@ -0,0 +1,32 @@
+#include <iostream>
+#include <unordered_map>
+#include <vector>
+
+void countFrequency(const std::vector<int>& array) {
+    std::unordered_map<int, int> frequencyMap;
+
+    for (int element : array) {
+        frequencyMap[element]++;
+    }
+
+    for (const auto& pair : frequencyMap) {
+        std::cout << "Element " << pair.first << ": " << pair.second << " times\n";
+    }
+}
+
+int main() {
+    int size;
+    std::cout << "Enter the size of the array: ";
+    std::cin >> size;
+
+    std::vector<int> array(size);
+    std::cout << "Enter the elements of the array:\n";
+    for (int i = 0; i < size; ++i) {
+        std::cout << "Element " << i + 1 << ": ";
+        std::cin >> array[i];
+    }
+
+    countFrequency(array);
+
+    return 0;
+}