void fun( n )
{
int Sum = [ n ][ n ];
……
}
void main( )
{
int n;
cin >> n;
fun( n );
}

D:\SeventySix\Six.cpp(44) : error C2057: expected constant expression
D:\SeventySix\Six.cpp(44) : error C2466: cannot allocate an array of constant size 0
D:\SeventySix\Six.cpp(44) : error C2057: expected constant expression
D:\SeventySix\Six.cpp(44) : error C2466: cannot allocate an array of constant size 0
D:\SeventySix\Six.cpp(44) : error C2087: '<Unknown>' : missing subscript
D:\SeventySix\Six.cpp(44) : error C2133: 'Sum' : unknown size

为什么函数中不能声明局部数组，如何解决，难道用动态分配？
望高人指点，谢谢！

动态申请内存，操作二维数组，好像不方便。有什么更好办法啊：）