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20 lines
336 B
20 lines
336 B
package solutions |
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type TreeNodeM struct { |
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Left *TreeNodeM |
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Val int |
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Right *TreeNodeM |
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} |
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func MergeTrees(t1 *TreeNodeM, t2 *TreeNodeM) *TreeNodeM { |
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if t1 == nil { |
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return t2 |
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} |
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if t2 == nil { |
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return t1 |
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} |
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t1.Val = t1.Val + t2.Val |
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t1.Left = MergeTrees(t1.Left, t2.Left) |
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t1.Right = MergeTrees(t1.Right, t2.Right) |
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return t1 |
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}
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