Commit feaea1b

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Merge pull request youngyangyang04#1237 from Guacker/master

修改_474_lines_(402_sloc)_e二叉树的递归遍历_c语言前序遍历

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Lines changed: 4 additions & 4 deletions

Original file line number	Diff line number	Diff line change
`@@ -371,18 +371,18 @@ C:`
`371`	`371`
`372`	`372`	```c
`373`	`373`	`//前序遍历:`
`374`		`-void preOrderTraversal(struct TreeNode* root, int* ret, int* returnSize) {`
	`374`	`+void preOrder(struct TreeNode* root, int* ret, int* returnSize) {`
`375`	`375`	`if(root == NULL)`
`376`	`376`	`return;`
`377`	`377`	`ret[(*returnSize)++] = root->val;`
`378`		`- preOrderTraverse(root->left, ret, returnSize);`
`379`		`- preOrderTraverse(root->right, ret, returnSize);`
	`378`	`+ preOrder(root->left, ret, returnSize);`
	`379`	`+ preOrder(root->right, ret, returnSize);`
`380`	`380`	`}`
`381`	`381`
`382`	`382`	`int* preorderTraversal(struct TreeNode* root, int* returnSize){`
`383`	`383`	`int* ret = (int)malloc(sizeof(int) 100);`
`384`	`384`	`*returnSize = 0;`
`385`		`- preOrderTraversal(root, ret, returnSize);`
	`385`	`+ preOrder(root, ret, returnSize);`
`386`	`386`	`return ret;`
`387`	`387`	`}`
`388`	`388`

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