C++ 2d array initialization -

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the following line doesn't work:

int n1=10,v1=10;   int f[n1][v1]={}; error: variable-sized object ‘f’ may not initialized

but line below works, why?

const int n1=10,v1=10;   int f[n1][v1]={};

array initializers need const.

an int value can change const int value remain constant throughout entire program.


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