1 files changed, 48 insertions, 0 deletions
diff --git a/3p20.cpp b/3p20.cpp
new file mode 100644
index 0000000..0a84561
--- /dev/null
+++ b/3p20.cpp
@@ -0,0 +1,48 @@
+#include <iostream>
+#include <vector>
+#include "sales_data.hpp"
+#include "sales_item.hpp"
+
+/*
+ *
+ * 3.20
+ *
+ *
+ */
+
+using std::string;
+using std::cout;
+using std::cin;
+using std::cerr;
+using std::clog;
+using std::endl;
+using std::vector;
+int main () {
+
+    vector<int> VecNumbers;
+	int Numbers = 0;	
+	while(cin >> Numbers) {
+		VecNumbers.push_back(Numbers);
+	}
+
+	for(decltype(VecNumbers.size()) Index = 0 ; Index < VecNumbers.size()-1 ; Index += 2) { // VecNumbers.size() -1 in case the input
+		cout << VecNumbers[Index] + VecNumbers[Index + 1] << " ";                           // numbers are odd. It doesnt calculate anything
+	}                                                                                       // if it's odd
+
+	cout << endl;
+	auto MaxSize = VecNumbers.size()-1;
+	decltype(VecNumbers.size()) Index = 0;
+	while(Index <= MaxSize) {
+	    if (Index == MaxSize) {
+			cout << VecNumbers[Index] + VecNumbers[MaxSize] << " ";
+			break;
+		}
+		
+		cout << VecNumbers[Index] + VecNumbers[MaxSize] << " ";
+		--MaxSize;
+		++Index;
+	}
+
+	cout << endl;
+	return 0;
+}