add: 220629

cpp/2206/220629.cpp

@@ -0,0 +1,22 @@
+#include <vector>
+#include <algorithm>
+
+/**
+ * 406. Queue Reconstruction by Height
+ * You are given an array of people, people, which are the attributes of some people in a queue (not necessarily in order). Each people[i] = [hi, ki] represents the ith person of height hi with exactly ki other people in front who have a height greater than or equal to hi.
+ * Reconstruct and return the queue that is represented by the input array people. The returned queue should be formatted as an array queue, where queue[j] = [hj, kj] is the attributes of the jth person in the queue (queue[0] is the person at the front of the queue).
+ */
+
+class Solution {
+public:
+	static std::vector<std::vector<int>> reconstructQueue(std::vector<std::vector<int>>& people) {
+		std::sort(people.begin(), people.end(), [](const auto& x, const auto& y) {
+			return (x[0] == y[0]) ? (x[1] < y[1]) : (x[0] > y[0]);
+		});
+		std::vector<std::vector<int>> ret;
+		ret.reserve(people.size());
+		for (const auto& i : people)
+			ret.insert(ret.begin() + i[1], i);
+		return ret;
+	}
+};

cpp/2206/CMakeLists.txt

@@ -3,4 +3,4 @@ PROJECT(2206)
 
 SET(CMAKE_CXX_STANDARD 23)
 
-ADD_EXECUTABLE(2206 220628.cpp)
+ADD_EXECUTABLE(2206 220629.cpp)