add: 230220-CN

cpp/2302/230220-CN.cpp

@@ -0,0 +1,37 @@
+#include <vector>
+#include <string>
+#include <algorithm>
+#include <cstdint>
+
+/**
+ * 2347. Best Poker Hand
+ *
+ * You are given an integer array ranks and a character array suits. You have 5 cards where the ith card has a rank of ranks[i] and a suit of suits[i].
+ *
+ * The following are the types of poker hands you can make from best to worst:
+ *
+ * "Flush": Five cards of the same suit.
+ * "Three of a Kind": Three cards of the same rank.
+ * "Pair": Two cards of the same rank.
+ * "High Card": Any single card.
+ * Return a string representing the best type of poker hand you can make with the given cards.
+ *
+ * Note that the return values are case-sensitive.
+ */
+
+class Solution {
+public:
+	static inline std::string bestHand(const std::vector<int>& ranks, const std::vector<char>& suits) {
+		if (std::adjacent_find(suits.begin(), suits.end(), std::not_equal_to<>()) == suits.end())
+			return "Flush";
+		uint8_t cnt[13]{};
+		for (auto i : ranks)
+			++cnt[i - 1];
+		auto m = *std::max_element(cnt, cnt + 13);
+		if (m >= 3)
+			return "Three of a Kind";
+		if (m >= 2)
+			return "Pair";
+		return "High Card";
+	}
+};

cpp/2302/CMakeLists.txt

@@ -3,4 +3,4 @@ PROJECT(2302)
 
 SET(CMAKE_CXX_STANDARD 23)
 
-ADD_EXECUTABLE(2302 230220.cpp)
+ADD_EXECUTABLE(2302 230220-CN.cpp)