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Commit 1313f69

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author
Shuo
authored
Merge pull request #378 from openset/develop
Add: Same Tree
2 parents b6bf510 + 53af4bd commit 1313f69

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2 files changed

+57
-0
lines changed

2 files changed

+57
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lines changed

‎problems/same-tree/same_tree.go

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package same_tree
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import . "github.com/openset/leetcode/internal/kit"
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/**
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* Definition for a binary tree node.
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* type TreeNode struct {
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* Val int
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* Left *TreeNode
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* Right *TreeNode
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* }
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*/
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func isSameTree(p *TreeNode, q *TreeNode) bool {
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if p == nil {
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return q == nil
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} else if q == nil || p.Val != q.Val {
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return false
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}
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return isSameTree(p.Left, q.Left) && isSameTree(p.Right, q.Right)
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}

‎problems/same-tree/same_tree_test.go

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package same_tree
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import (
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"testing"
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. "github.com/openset/leetcode/internal/kit"
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)
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type caseType struct {
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p []int
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q []int
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expected bool
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}
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func TestIsSameTree(t *testing.T) {
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tests := [...]caseType{
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{
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p: []int{1, 2, 3},
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q: []int{1, 2, 3},
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expected: true,
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},
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{
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p: []int{1, 2},
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q: []int{1, NULL, 2},
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expected: false,
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},
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{
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p: []int{1, 2, 1},
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q: []int{1, 1, 2},
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expected: false,
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},
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}
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for _, tc := range tests {
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output := isSameTree(SliceInt2TreeNode(tc.p), SliceInt2TreeNode(tc.q))
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if output != tc.expected {
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t.Fatalf("input: %v %v, output: %v, expected: %v", tc.p, tc.q, output, tc.expected)
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}
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}
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}

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