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教材是彭国伦老师的《Fortran 95 程序设计》。编译器是IVF2011+vs2010。
程序是:
[Fortran] 纯文本查看 复制代码 05 | integer , parameter :: key = 2 |
06 | character ( len = 20 ) :: string |
10 | strlen = len_trim ( string ) |
13 | string ( i : i ) = char ( ichar ( string ( i : i ) + key ) ) |
15 | write ( * , "('encoded:',A20)" ) string |
最后编译的时候出错了,编译器提示是string(i:i)=char( ichar(string(i:i) + key) )这行代码出错了,以下是其详细的内容。
1>C:\Users\Administrator\Documents\Visual Studio 2010\Projects\Console1\Console1\ex0605.f90(13): error #6355: This binary operation is invalid for this data type. [STRING]
1>C:\Users\Administrator\Documents\Visual Studio 2010\Projects\Console1\Console1\ex0605.f90(13): error #6549: An arithmetic or LOGICAL type is required in this context.
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