回答編集履歴
3
テキスト修正
answer
CHANGED
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@@ -5,13 +5,12 @@
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5
5
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const text = "あかあかあかあかなあかなまやははまや";
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6
6
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const results = new Set();
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7
7
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8
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-
for (let i=0; i < text.length-2; ++ i) {
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8
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+
for (let i=0; i < text.length-2; ++ i) {
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9
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-
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9
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+
if (/^(.+)\1/.test(text.substr(i)))
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10
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-
if (m)
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11
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-
results.add(
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10
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+
results.add(RegExp.$1);
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12
11
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}
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13
12
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14
13
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console.log([...results]); // => ["あかあか", "かあ", "あか", "あかな", "は"]
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15
14
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```
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16
15
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17
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-
- **動作確認用のサンプル:** [https://jsfiddle.net/jun68ykt/38tuwh27/
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16
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+
- **動作確認用のサンプル:** [https://jsfiddle.net/jun68ykt/38tuwh27/58/](https://jsfiddle.net/jun68ykt/38tuwh27/58/)
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2
テキスト修正
answer
CHANGED
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@@ -5,8 +5,8 @@
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5
5
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const text = "あかあかあかあかなあかなまやははまや";
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6
6
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const results = new Set();
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7
7
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8
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-
for (let
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8
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+
for (let i=0; i < text.length-2; ++ i) {
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9
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-
const m =
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9
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+
const m = /^(.+)\1/.exec(text.substr(i));
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10
10
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if (m)
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11
11
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results.add(m[1]);
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12
12
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}
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@@ -14,4 +14,4 @@
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14
14
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console.log([...results]); // => ["あかあか", "かあ", "あか", "あかな", "は"]
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15
15
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```
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16
16
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17
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-
- **動作確認用のサンプル:** [https://jsfiddle.net/jun68ykt/38tuwh27/
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17
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+
- **動作確認用のサンプル:** [https://jsfiddle.net/jun68ykt/38tuwh27/52/](https://jsfiddle.net/jun68ykt/38tuwh27/52/)
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1
テキスト修正
answer
CHANGED
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@@ -5,7 +5,7 @@
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5
5
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const text = "あかあかあかあかなあかなまやははまや";
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6
6
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const results = new Set();
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7
7
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8
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-
for (let n=0; n < text.length-2; ++ n) {
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8
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+
for (let n=0; n <= text.length-2; ++ n) {
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9
9
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const m = RegExp(`^.{${n}}(.+)\1`).exec(text);
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10
10
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if (m)
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11
11
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results.add(m[1]);
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@@ -14,4 +14,4 @@
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14
14
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console.log([...results]); // => ["あかあか", "かあ", "あか", "あかな", "は"]
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15
15
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```
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16
16
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17
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-
- **動作確認用のサンプル:** [https://jsfiddle.net/jun68ykt/38tuwh27/
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17
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+
- **動作確認用のサンプル:** [https://jsfiddle.net/jun68ykt/38tuwh27/46/](https://jsfiddle.net/jun68ykt/38tuwh27/46/)
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