Merge branch 'master' of https://github.com/manwar/perlweeklychallenge-club

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diff --git a/challenge-078/ash/cpp/ch-2.cpp b/challenge-078/ash/cpp/ch-2.cpp
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+++ b/challenge-078/ash/cpp/ch-2.cpp
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+/*
+    Task 2 from
+    https://perlweeklychallenge.org/blog/perl-weekly-challenge-078/
+
+    Comments: https://andrewshitov.com/2020/09/14/the-weekly-challenge-078/
+
+    Compile:
+    $ g++ -std=c++17 ch-2.cpp
+
+    Output:
+
+    $ ./a.out 
+    40 50 10 20 30 
+    50 10 20 30 40 
+*/
+
+#include <iostream>
+#include <vector>
+
+using namespace std;
+
+int main() {
+    vector<int> a = {10, 20, 30, 40, 50};
+    vector<int> b = {3, 4};
+
+    for (auto shift : b) {
+        for (auto pos = 0; pos != a.size(); pos++) {
+            cout << a[(pos + shift) % a.size()] << ' ';
+        }
+        cout << endl;
+    }
+}