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-rw-r--r--max_product_split_bt.cpp19
1 files changed, 19 insertions, 0 deletions
diff --git a/max_product_split_bt.cpp b/max_product_split_bt.cpp
new file mode 100644
index 0000000..f363c0e
--- /dev/null
+++ b/max_product_split_bt.cpp
@@ -0,0 +1,19 @@
+#include "leetcode.h"
+
+class Solution {
+public:
+ int maxProduct(TreeNode *root) {
+ tot = solve(root), solve(root);
+ return ans % (int)(1e9 + 7);
+ }
+
+private:
+ long ans = 0, tot = 0, sub;
+ int solve(TreeNode *root) {
+ if (!root)
+ return 0;
+ sub = root->val + solve(root->left) + solve(root->right);
+ ans = max(ans, sub * (tot - sub));
+ return sub;
+ }
+};