Added getProduct() and fixed bugs in getDivisors()

Algorithms.hpp

@@ -53,9 +53,12 @@ std::vector<T> getFactors(T goalNumber);
 //This is a function that gets all the divisors of num and returns a vector containing the divisors
 template<class T>
 std::vector<T> getDivisors(T num);
-//This is a function that gets the sum of all elements in a vector and returns the number
+//This is a function that returns the sum of all elements in a vector
 template <class T>
 T getSum(std::vector<T> numbers);
+//This is a function that returns the product of all elements in a vector
+template <class T>
+T getProduct(std::vector<T> nums);
 //This is a function that searches a vecter for an element. Returns true if num is found in list
 template<class T>
 bool isFound(T num, std::vector<T> list);
@@ -204,10 +207,7 @@ std::vector<T> getDivisors(T num){
 	}
 	else if(num == 1){
 		divisors.push_back(1);
-	}
+		return divisors;
-	else{
-		divisors.push_back(1);
-		divisors.push_back(num);
 	}
 	//You only need to check up to sqrt(num)
 	T topPossibleDivisor = ceil(sqrt(num));
@@ -229,6 +229,7 @@ std::vector<T> getDivisors(T num){
 	return divisors;
 }
 
+//This is a function that returns the sum of all elements in a vector
 template <class T>
 T getSum(std::vector<T> numbers){
 	T sum = 0;
@@ -238,6 +239,16 @@ T getSum(std::vector<T> numbers){
 	return sum;
 }
 
+//This is a function that returns the product of all elmements in a vector
+template <class T>
+T getProduct(std::vector<T> nums){
+	T prod = 1;
+	for(T cnt = 0;cnt < nums.size();++cnt){
+		prod *= nums.at(cnt);
+	}
+	return prod;
+}
+
 template<class T>
 bool isFound(T num, std::vector<T> list){
 	for(int cnt = 0;cnt < list.size();++cnt){