Merge pull request #9075 from deadmarshal/TWC243_extra

TWC243 extra solutions

1 files changed, 21 insertions, 0 deletions

diff --git a/challenge-243/deadmarshal/cpp/ch-1.cpp b/challenge-243/deadmarshal/cpp/ch-1.cpp
new file mode 100644
index 0000000000..1400521502
--- /dev/null
+++ b/challenge-243/deadmarshal/cpp/ch-1.cpp
@@ -0,0 +1,21 @@
+#include<iostream>
+#include<vector>
+
+template<typename T>
+std::size_t reverse_pairs(const std::vector<T> &vec)
+{
+  std::size_t count{};
+  for(std::size_t i = 0; i < vec.size()-1; ++i)
+    for(std::size_t j = i+1; j < vec.size(); ++j)
+      if(vec.at(i) > (2 * vec.at(j))) count++;
+  return count;
+}
+
+int main()
+{
+  std::vector<int> vec1{1,3,2,3,1},vec2{2,4,3,5,1};
+  std::cout << reverse_pairs<int>(vec1) << '\n'
+	    << reverse_pairs<int>(vec2) << '\n';
+  return 0;
+}
+