#include<stdio.h>
struct TreeNode {
int val;
struct TreeNode* left;
struct TreeNode* right;
};
struct TreeNode* fun() {
struct TreeNode* root = (struct TreeNode*)malloc(sizeof(struct TreeNode));
root->val = 1;
return root;
}
int main() {
fun();
return 0;
}
最近再做链表的题目的时候 老是会出现这种报错:写入访问权限冲突
但是在一些OJ(力扣 hydro)上面却能过 不知是为何