C++二维数组问题

Question

int a[][2]={1,{3,4},5};
书上说这个是错的 请问错在哪啊。。
我用codeBlocks编译之后 报错
error: braces around scalar initializer for type 'int'|

Answer 1

The subject of the question can be written like this:

int a [][2] = {
    {1},
    {3, 4},
    {6}
}

Answer 2

int a[][2]={{3},{3,4},{6}}