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How can I set an array's size at run time?

Answer Posted / lp

Declare a integer array size at runtime:
1.declare an interget pointer. - int *ptr
2.Get the size of array from user - int n
3.using malloc() ,allocate that many number of location to
the pointer. - ptr = malloc(n*sizeof(int));
4.Make use of the dynamically allocated array. - ptr[]

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