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29 lines
828 B
29 lines
828 B
// Copyright 2014 com authors |
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// |
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// Licensed under the Apache License, Version 2.0 (the "License"): you may |
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// not use this file except in compliance with the License. You may obtain |
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// a copy of the License at |
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// |
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// http://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
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// License for the specific language governing permissions and limitations |
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// under the License. |
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package com |
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// PowInt is int type of math.Pow function. |
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func PowInt(x int, y int) int { |
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if y <= 0 { |
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return 1 |
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} else { |
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if y % 2 == 0 { |
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sqrt := PowInt(x, y/2) |
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return sqrt * sqrt |
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} else { |
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return PowInt(x, y-1) * x |
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} |
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} |
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}
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