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C Language > Learn C Language > How do you handle large amounts of data in C?
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How do you handle large amounts of data in C?

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Maths tutor with 7 years experience

There are two ways of doing this, (i) allocating a single piece of n×m memory on the heap, OR (ii) allocate an array of arrays -- allocate one array of n rows, and to each row allocate m columns. First create a pointer to an int, and then allocate memory to it: int *image; image = (int *)malloc(sizeo...
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There are two ways of doing this, (i) allocating a single piece of n×m memory on the heap, OR (ii) allocate an array of arrays – allocate one array of n rows, and to each row allocate m columns. First create a pointer to an int, and then allocate memory to it: int *image; image = (int *)malloc(sizeof(int)*n*m); read less
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