subject_54423.htm

vc

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序号：54423 发表者：丁丁当当 发表日期：2003-09-28 10:03:24
<br>主题：如何申请二维数组
<br>内容：我的程序：<BR>&nbsp;&nbsp;&nbsp;&nbsp;double **weight;<BR>&nbsp;&nbsp;&nbsp;&nbsp;*weight = new double[from][to];<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 或<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; weight = new double[from][to];<BR><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; //from和to函数的两个参数<BR>编译时出现：<BR>error C2540: non-constant expression as array bound<BR>error C2440: '=' : cannot convert from 'double (*)[1]' to 'double *'<BR>Types pointed to are unrelated; conversion requires reinterpret_cast, C-style cast or function-style cast<BR>
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<font color=red>答案被接受</font><br>回复者：水番 回复日期：2003-09-28 10:49:46
<br>内容：又来！！<BR>前两天刚有人问<BR><BR>首先：C＋＋不支持二维数组，他只支持数组的数组，所以你那种写法当然有问题！解决方法请看<BR>http://www.vchelp.net/cndevforum/subject_view.asp?subject_id=54126&amp;forum_id=55
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