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Previous Year Question (PYQs)

How will you free the memory allocated by the following program?
#include <stdio.h>

#define MAXROW 3
#define MAXCOL 4

int main()
{
    int **p, i, j;

    p = (int **)malloc(MAXROW * sizeof(int*));

    return 0;
}





Solution

Memory allocated using malloc() is released using free().


Here, memory is allocated to pointer p, so it should be freed as: free(p);


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