C compiler with embedded metalanguage.
您最多选择25个主题
主题必须以字母或数字开头，可以包含连字符 (-)，并且长度不得超过35个字符
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#define B "b"
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char s[] = "a" B "c";
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int
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main()
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{
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if (s[0] != 'a')
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return 1;
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if (s[1] != 'b')
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return 2;
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if (s[2] != 'c')
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return 3;
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if (s[3] != '\0')
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return 4;
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return 0;
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}
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