day 2 commit & changed day 1 filenames

D2_looping.cpp

@@ -0,0 +1,50 @@
+#include <iostream>
+#include <vector>
+
+int main() {
+    std::vector<int> list; //= {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}
+    int arr[10]; //= {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}
+
+    //initialize vector
+    for (int i = 0; i < 10; i++) {
+        list.push_back(i);
+    }
+
+    //initialize array
+    for (int i = 0; i < 10; i++) {
+        arr[i] = i;
+    }
+
+    int n;
+
+    std::cout << "Enter number: ";
+    std::cin >> n;
+
+    //standard for loop
+    for (int i = 0; i < n; i++) {
+        std::cout << list.at(i%10) << " ";
+    }
+    std::cout << std::endl;
+
+    //while loop
+    int j = 0;
+    while (j < n) {
+        std::cout << j << " ";
+        j++;
+    }
+    std::cout << std::endl;
+
+    //range based loop w/ vector
+    for (int k : list) {
+        std::cout << k << " ";
+    }
+    std::cout << std::endl;
+
+    //range based loop w/ array
+    for (int l : arr) {
+        std::cout << l << " ";
+    }
+    std::cout << std::endl;
+
+    return 0;
+}