diff --git a/programmers/세균 증식/solution.java b/programmers/세균 증식/solution.java
new file mode 100644
index 0000000..d0b4bc9
--- /dev/null
+++ b/programmers/세균 증식/solution.java	
@@ -0,0 +1,7 @@
+// [문제 링크]: https://school.programmers.co.kr/learn/courses/30/lessons/120910
+
+class Solution {
+    public int solution(int n, int t) {
+        return n << t;//bits 연산 좌항으로 옮김
+    }
+}
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