回答編集履歴
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あ
test
CHANGED
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@@ -21,3 +21,77 @@
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21
21
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console.log(oks.includes("文京区"));
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22
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```
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24
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25
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26
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---
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28
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29
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30
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31
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「得たいプログラムの記述」をコード化しました。
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32
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33
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34
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35
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ループのやりかたは書いてありましたが、どう結果を得たいのかわからなかったので、stackというのに判定したtrueだか、falseだかを入れてます。
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36
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37
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38
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39
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```javascript
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40
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41
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let area = [39, 33, 54];
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42
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let city =[
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'千代田区OK中央区OK港区OK新宿区OK文京区NG・・・',
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'横浜市NG川崎市OK横須賀市OK・・・',
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'千葉市OK銚子市NG市川市NG・・・'
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53
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];
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54
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let stack = [];
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for(let areaIdx = 0; areaIdx < area.length; areaIdx++) {
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let boolarrayForArea = [];
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stack.push(boolarrayForArea);
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64
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const str = city[areaIdx];
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let fromIdx = 0;
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let noPos = -1;
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let okPos = -1;
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for(let cityIter = 0; cityIter < area[areaIdx]; cityIter++) {
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ngPos = str.indexOf("NG", fromIdx) === -1 ? Number.MAX_VALUE : str.indexOf("NG", fromIdx) ;
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77
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okPos = str.indexOf("OK", fromIdx) === -1 ? Number.MAX_VALUE : str.indexOf("OK", fromIdx) ;
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const nextPos = Math.min(ngPos, okPos);
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const nextWord = str.substr(nextPos,2);
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if (nextWord === "OK") { boolarrayForArea.push(true); }
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else if (nextWord === "NG") { boolarrayForArea.push(false); }
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else { boolarrayForArea.push(undefined); }
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fromIdx = nextPos + 2;
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}
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}
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console.log(stack);
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96
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```
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