回答編集履歴
1
追記
test
CHANGED
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@@ -3,3 +3,27 @@
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3
3
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↓
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4
4
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5
5
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g++ main.cpp fo.cpp -o main
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6
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+
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7
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・・
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8
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9
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```text
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10
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11
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sr ~/Project/test % ls
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12
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13
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a.out* fo.cpp fo.h main.cpp t1.c teratail/ 数独/
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usr ~/Project/test % g++ main.cpp fo.cpp -o main
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main.cpp: In function ‘int main()’:
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18
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main.cpp:3:9: warning: unused variable ‘a’ [-Wunused-variable]
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20
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int a = foo();
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22
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^
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usr ~/Project/test % ls
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26
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27
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a.out* fo.cpp fo.h main* main.cpp t1.c teratail/ 数独/
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28
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29
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```
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