diff --git a/notes/面试总结.md b/notes/面试总结.md
index e7ec89c9..018d64e5 100644
--- a/notes/面试总结.md
+++ b/notes/面试总结.md
@@ -1241,6 +1241,20 @@ public int integerBreak(int n) {
 ```
 
 
+### 动态规划
+
+```java
+public int integerBreak(int n) {
+    int[] dp = new int[n + 1];
+    dp[1] = 1;
+    for (int i = 2; i <= n; i++)
+        for (int j = 1; j < i; j++)
+            dp[i] = Math.max(dp[i], Math.max(j * (i - j), dp[j] * (i - j)));
+    return dp[n];
+}
+```
+
+
 # 参考文献
 
 - 何海涛. 剑指 Offer[M]. 电子工业出版社, 2012.