feat(cpp): implement ‹collect_count›

Signed-off-by: Matej Focko <mfocko@redhat.com>

.common/cpp/skeleton.cpp

@@ -150,6 +150,19 @@ Container collect(std::size_t size) {
   collect(c, size);
   return c;
 }
+
+template <typename T>
+std::map<T, std::size_t> collect_count(std::size_t size) {
+  std::map<T, std::size_t> counts;
+
+  for (auto i = 0u; i < size; ++i) {
+    T x;
+    std::cin >> x;
+    ++counts[x];
+  }
+
+  return counts;
+}
 #pragma endregion /* input */
 
 #pragma region math