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How to use memset in 2-d dynamically generate array in C++?

April 10, 2020 by

Questions › How to use memset in 2-d dynamically generate array in C++?
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Garmaine asked 3 years ago

I've created a dynamic 2-d array, but I don't know how to use memset in that? Here's a piece of my code-

ll **arr;
arr = new ll*[n];
for(int i=0; i<n; i++){
    arr[i] = new ll[x];
}

I'm doing memset(arr, -1, ((n*x))* sizeof(*arr)) but it is not working. can anyone help?

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Original Question and Possible Answers can be found on `http://stackoverflow.com`

Question Tags: arrays, c++, data-structures

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