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Represent null with INT_MAX in C, C++.

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krahets
2023-04-18 14:31:23 +08:00
parent ed8fa6aea3
commit 6723cdbc7e
11 changed files with 35 additions and 26 deletions
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codes/c/include/tree_node.h
+6 -4
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@@ -11,7 +11,8 @@
extern "C" {
#endif
#define NIL ('#')
#include <limits.h>
#define MAX_NODE_SIZE 5000
struct TreeNode {
@@ -59,14 +60,15 @@ TreeNode *arrToTree(const int *arr, size_t size) {
node = queue[front++];
index++;
if (index < size) {
if (arr[index] != NIL) {
// represent null with INT_MAX
if (arr[index] != INT_MAX) {
node->left = newTreeNode(arr[index]);
queue[rear++] = node->left;
}
}
index++;
if (index < size) {
if (arr[index] != NIL) {
if (arr[index] != INT_MAX) {
node->right = newTreeNode(arr[index]);
queue[rear++] = node->right;
}
@@ -102,7 +104,7 @@ int *treeToArr(TreeNode *root) {
queue[rear++] = node->left;
queue[rear++] = node->right;
} else {
arr[index] = NIL;
arr[index] = INT_MAX;
}
index++;
}