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[no content]count-nodes-equal-to-sum-of-descendants.json
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{
"data": {
"question": {
"questionId": "2126",
"questionFrontendId": "1973",
"boundTopicId": null,
"title": "Count Nodes Equal to Sum of Descendants",
"titleSlug": "count-nodes-equal-to-sum-of-descendants",
"content": null,
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"difficulty": "Medium",
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"exampleTestcases": "[10,3,4,2,1]\n[2,3,null,2,null]\n[0]",
"categoryTitle": "Algorithms",
"contributors": [],
"topicTags": [
{
"name": "Tree",
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"name": "Depth-First Search",
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{
"name": "Binary Search Tree",
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"hints": [
"Can we reuse previously calculated information?",
"How can we calculate the sum of the current subtree using the sum of the child's subtree?"
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"sampleTestCase": "[10,3,4,2,1]",
"metaData": "{\n \"name\": \"equalToDescendants\",\n \"params\": [\n {\n \"name\": \"root\",\n \"type\": \"TreeNode\"\n }\n ],\n \"return\": {\n \"type\": \"integer\"\n }\n}",
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