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14 lines
334 B
C
14 lines
334 B
C
bool isUnivalTree(struct TreeNode* root){
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if (root == NULL)
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return 1;
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if (root->left) {
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if(root->left->val != root->val)
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return 0;
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}
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if (root->right) {
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if(root->right->val != root->val)
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return 0;
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}
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return isUnivalTree(root->left) && isUnivalTree(root->right);
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}
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