回答編集履歴
1
コードの改善
answer
CHANGED
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@@ -17,12 +17,12 @@
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17
17
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for (String s : line.split(" +"))
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18
18
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if (s.equals("x")) sgn = op.equals(op2);
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19
19
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else if (s.equals("+") || s.equals("-")) op = s;
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20
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-
else if (s.equals("="))
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20
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+
else if (s.equals("=")) op = op2 = "+";
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21
21
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else {
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22
22
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int v = Integer.parseInt(s);
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23
23
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val = op.equals(op2) ? val + v : val - v;
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24
24
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}
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25
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-
System.out.println("x = " + (sgn ? -val : val));
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25
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+
System.out.println(" x = " + (sgn ? -val : val));
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26
26
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}
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27
27
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}
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28
28
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}
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