回答編集履歴
1
出力フォーマット間違い
test
CHANGED
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@@ -14,7 +14,7 @@
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14
14
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String line;
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15
15
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for(int no=1; (line=br.readLine()) != null; no++) {
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16
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int c = (line.contains("{") ? 1 : 0) + (line.contains("}") ? 2 : 0);
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17
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-
pw.printf("%04d:
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17
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+
pw.printf("%04d:%c %s\n", no, " +-*".charAt(c), line);
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}
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} catch(IOException e) {
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e.printStackTrace();
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@@ -24,22 +24,22 @@
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24
24
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```
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25
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実行結果(Output.txt)
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26
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```plain
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27
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-
0001:
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27
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+
0001: package teratail_java.q_6hgy0u9a4yg0a0;
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28
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-
0002:
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28
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+
0002:
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29
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-
0003:
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29
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+
0003: import java.io.*;
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30
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-
0004:
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30
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+
0004:
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31
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-
0005:
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31
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+
0005:+ public class AddLineNumber {
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32
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-
0006:
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32
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+
0006:+ public static void main(String[] args) {
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33
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-
0007:
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33
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+
0007: try(BufferedReader br = new BufferedReader(new FileReader("AddLineNumber.java"));
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34
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-
0008:
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34
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+
0008:+ PrintWriter pw = new PrintWriter(new FileOutputStream("Output.txt"));) {
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35
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-
0009:
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35
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+
0009: String line;
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36
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-
0010:
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36
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+
0010:+ for(int no=1; (line=br.readLine()) != null; no++) {
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37
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-
0011:
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37
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+
0011:* int c = (line.contains("{") ? 1 : 0) + (line.contains("}") ? 2 : 0);
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38
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-
0012:
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38
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+
0012: pw.printf("%04d:%c %s\n", no, " +-*".charAt(c), line);
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-
0013:
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+
0013:- }
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40
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-
0014:
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+
0014:* } catch(IOException e) {
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-
0015:
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+
0015: e.printStackTrace();
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-
0016:
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+
0016:- }
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-
0017:
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+
0017:- }
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44
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-
0018:
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44
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+
0018:- }
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45
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```
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