Merge pull request #8990 from deadmarshal/TWC127

TWC127

1 files changed, 30 insertions, 0 deletions

diff --git a/challenge-127/deadmarshal/cpp/ch-1.cpp b/challenge-127/deadmarshal/cpp/ch-1.cpp
new file mode 100644
index 0000000000..b6cf02bb6a
--- /dev/null
+++ b/challenge-127/deadmarshal/cpp/ch-1.cpp
@@ -0,0 +1,30 @@
+#include<iostream>
+#include<vector>
+#include<set>
+
+template<typename T>
+bool is_disjoint(const std::set<T> &s1,
+		 const std::set<T> &s2)
+{
+  for(auto it = s1.cbegin(); it != s1.cend(); ++it)
+    if(s2.count(*it)) return false;
+  return true;
+}
+
+template<typename T>
+bool disjoint_sets(const std::vector<T> &vec1,
+		   const std::vector<T> &vec2)
+{
+  return is_disjoint<T>({vec1.cbegin(),vec1.cend()},
+			{vec2.cbegin(),vec2.cend()});
+}
+
+int main()
+{
+  std::vector<int> vec1{1,2,5,3,4},vec2{4,6,7,8,9};
+  std::vector<int> vec3{1,3,5,7,9},vec4{0,2,4,6,8};
+  std::cout << std::boolalpha << disjoint_sets<int>(vec1,vec2) << '\n'
+	    << disjoint_sets<int>(vec3,vec4) << '\n';
+  return 0;
+}
+