回答編集履歴
1
末尾再帰の効く書き方を追記
test
CHANGED
@@ -11,3 +11,27 @@
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```
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(1/25追記。末尾再帰が効くようにしてスタックオーバーフローを避ける書き方)
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```c
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int po3(int x, int n, int powered) {
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return n > 0 ? po3(x, n - 1, x * powered) : powered;
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}
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int po(int x, int n) {
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retrun po3(x, n, 1);
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}
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```
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