Initial Course

2026-08-11 17:40:36 +03:00
commit 9aed1d1d86
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+#pragma once
+
+#include <string>
+#include <unordered_map>
+#include <unordered_set>
+#include <vector>
+
+namespace stl_containers {
+
+[[nodiscard]] auto first_unique(const std::vector<std::string>& words) -> std::string;
+[[nodiscard]] auto group_anagrams(const std::vector<std::string>& words)
+    -> std::unordered_map<std::string, std::vector<std::string>>;
+[[nodiscard]] auto has_duplicate(const std::vector<int>& data) -> bool;
+
+}  // namespace stl_containers