How to initialise my bool array?

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Hello, I have a simple task I'm trying to do.
I want to initialise an array and make every element = false, but I don't want to do a for loop.

bool myArray[myVector.size()] = {false};

[JLBorges]

std::vector<bool> myArray( myVector.size() ) ; // every element == false

bool myArray2[1000] = {false}; // every element == false

// bool myArray3[myVector.size()] = {false}; // *** error: myVector.size() is not a constexpr 

[Pured]

I see. So arrays can't be done using vector sizes :(
Thanks anyways.