3 lines Javascript solution


  • 0
    H
    var isSameTree = function(p, q) {
        if(!p && !q)  return true
        else if ((p && !q) || (!p && q) || p.val !== q.val) return false
        else return isSameTree(p.left, q.left) && isSameTree(p.right, q.right)
    };
    

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