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Lintcode

Lintcode

function height(root) {  function dfs(node) {    if(node === null) return 0;    return Math.max(dfs(node.left), dfs(node.right)) + 1;  }  dfs(root);}

-1

Source: medium.com

Lintcode

function countNodes(root) {  function dfs(node) {    if(node === null) return 0;    return dfs(node.left) + dfs(node.right) + 1;  }  dfs(root);}

-1

Source: medium.com

Lintcode

let arr = [1, 2, 3, 4, 5];for(let i = 0; i < arr.length; i++){  console.log(arr[i]);}

-1

Source: medium.com

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