diff --git a/2201/220120.cpp b/2201/220120.cpp
new file mode 100644
index 0000000..ee67269
--- /dev/null
+++ b/2201/220120.cpp
@@ -0,0 +1,25 @@
+#include <iostream>
+#include <vector>
+#include <queue>
+
+class Solution {
+public:
+	static int minEatingSpeed(const std::vector<int>& piles, int h) {
+		int L = 1, R = 0x7FFFFFFE;
+		// range: [L, R)
+		while (R - L > 1) {
+			int M = (L - 1 + R) >> 1, cnt = 0;
+			// test M
+			for (const int& i : piles)
+				cnt += (i / M) + ((i % M) ? 1 : 0);
+			*(cnt <= h ? &R : &L) = M + 1;
+		}
+		return L;
+	}
+};
+
+int main() {
+	// {34392671,891616382,813261297}, 712127987
+	std::cout << Solution::minEatingSpeed({30,11,23,4,20}, 6);
+	return 0;
+}
diff --git a/2201/CMakeLists.txt b/2201/CMakeLists.txt
index b0343b4..4d79054 100644
--- a/2201/CMakeLists.txt
+++ b/2201/CMakeLists.txt
@@ -3,4 +3,4 @@ PROJECT(2201)
 
 SET(CMAKE_CXX_STANDARD 23)
 
-ADD_EXECUTABLE(2201 220119.cpp)
\ No newline at end of file
+ADD_EXECUTABLE(2201 220120.cpp)
\ No newline at end of file