質問編集履歴
1
プログラムの設計ミスがあったため修正しました
title
CHANGED
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File without changes
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body
CHANGED
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@@ -52,26 +52,40 @@
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52
52
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53
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private static String Calculation(String totalNumber,int number) {
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54
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List<String> numberList = new ArrayList<String>();
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55
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-
List<
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55
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+
List<StringBuilder> formulaList = new ArrayList<StringBuilder>();
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56
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-
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56
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StringBuilder sb = new StringBuilder();
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57
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+
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57
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-
for(int i = 0;i< String.valueOf(
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for(int i = 0;i< String.valueOf(number).length();i++){
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58
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-
numberList.add(
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59
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+
numberList.add(String.valueOf(number).substring(i,i+1));
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}
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int num1 = Integer.parseInt(numberList.get(0));
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int num2 = Integer.parseInt(numberList.get(1));
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int num3 = Integer.parseInt(numberList.get(2));
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int num4 = Integer.parseInt(numberList.get(3));
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65
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-
//四則演算
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66
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+
//ここで四則演算
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if(num1+num2+num3+num4==number) {
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-
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68
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sb.append(num1);
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68
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-
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69
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sb.append("+");
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sb.append(num2);
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69
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-
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sb.append("+");
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sb.append(num3);
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sb.append("+");
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sb.append(num4);
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formulaList.add(sb);
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}
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if(num1+num2+num3-num4==number) {
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sb.append(num1);
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sb.append("+");
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80
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sb.append(num2);
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sb.append("+");
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sb.append(num3);
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sb.append("-");
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sb.append(num4);
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formulaList.add(sb); }
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//以下同じ処理をすべての四則演算で行う
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71
87
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72
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-
//四則演算すべてのパターン書き込む
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88
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74
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-
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75
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return formulaList.toString();
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}
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```
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