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how to dynamically allocate an array c++
“how to dynamically allocate an array c++” Code Answer
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how to dynamically allocate an array c++
cpp by
Encouraging Eel
on Mar 26 2020
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int* a = NULL; // Pointer to int, initialize to nothing. int n; // Size needed for array cin >> n; // Read in the size a = new int[n]; // Allocate n ints and save ptr in a. for (int i=0; i<n; i++) { a[i] = 0; // Initialize all elements to zero. } . . . // Use a as a normal array delete [] a; // When done, free memory pointed to by a. a = NULL; // Clear a to prevent using invalid memory reference.
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