add: 220213-CN

2202/220213-CN.cpp

@@ -0,0 +1,41 @@
+#include <string>
+
+/**
+ * 1189. Maximum Number of Balloons
+ * Given a string text, you want to use the characters of text to form as many instances of the word "balloon" as possible.
+ * You can use each character in text at most once. Return the maximum number of instances that can be formed.
+ */
+
+class Solution {
+public:
+	static int maxNumberOfBalloons(const std::string& text) {
+		int b = 0, a = 0, l = 0, o = 0, n = 0;
+		for (char ch : text) {
+			switch (ch) {
+				case 'b':
+					++b;
+					break;
+				case 'a':
+					++a;
+					break;
+				case 'l':
+					++l;
+					break;
+				case 'o':
+					++o;
+					break;
+				case 'n':
+					++n;
+					break;
+				default:;
+			}
+		}
+		l /= 2;
+		o /= 2;
+		return std::min(b, std::min(a, std::min(l, std::min(o, n))));
+	}
+};
+
+int main() {
+	return 0;
+}

2202/CMakeLists.txt

@@ -3,4 +3,4 @@ PROJECT(2202)
 
 SET(CMAKE_CXX_STANDARD 23)
 
-ADD_EXECUTABLE(2202 220212.cpp)
+ADD_EXECUTABLE(2202 220213-CN.cpp)