[feat] Implementation of distance and arthimetic avg

homework/inner-product/arithmeticAverage.cpp

@@ -0,0 +1,27 @@
+#include "arithmeticAverage.hpp"
+#include <algorithm>
+#include <cmath>
+#include <numeric>
+
+double ArithmeticAverage(const std::vector<int>& vec_first, const std::vector<int>& vec_second) {
+    if (vec_first.empty() && vec_second.empty())
+        return 0;
+    int sum_first = std::accumulate(vec_first.begin(), vec_first.end(), 0);
+    int sum_second = std::accumulate(vec_second.begin(), vec_second.end(), 0);
+
+    int sum = sum_first + sum_second;
+    int size = vec_first.size() + vec_second.size();
+    return static_cast<double>(sum) / size;
+}
+
+double Distance(const std::vector<int>& vec_first, const std::vector<int>& vec_second) {
+    if (vec_first.size() != vec_second.size())
+        return 0;
+    if (vec_first.empty())
+        return 0;
+    double sum = 0;
+    for (size_t i = 0; i < vec_first.size(); i++) {
+        sum += std::pow(vec_second[i] - vec_first[i], 2);
+    }
+    return std::sqrt(sum);
+}

homework/inner-product/arithmeticAverage.hpp

@@ -0,0 +1,5 @@
+#pragma once
+#include <vector>
+
+double ArithmeticAverage(const std::vector<int>& vec_first, const std::vector<int>& vec_second);
+double Distance(const std::vector<int>& vec_first, const std::vector<int>& vec_second);

homework/inner-product/main.cpp

@@ -0,0 +1,11 @@
+#include <iostream>
+#include <vector>
+#include "arithmeticAverage.hpp"
+
+int main() {
+    std::vector<int> first{-5, 4, 2, -5, 2, 4, 6, 7};
+    std::vector<int> second{3, 5, -2, 6, 7, -3, 6, 9};
+    auto result = ArithmeticAverage(first, second);
+    std::cout << result;
+    return 0;
+}