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How to declare a 2D array dynamically in C++ using new operator

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Prerequisite: Array BasicsIn C/C++, multidimensional arrays in simple words as an array of arrays. Data in multidimensional arrays are store ...read more

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reinterpret_cast is a type of casting operator used in C++.It is used to convert a pointer of some data type into a pointer of another data ...read more

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Prerequisite:Pointers, ReferencesC and C++ support pointers, which is different from most other programming languages such as Java, Python, ...read more

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Dynamic memory allocation in C/C++ refers to performing memory allocation manually by a programmer. Dynamically allocated memory is allocate...read more

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auto_ptr vs unique_ptr vs shared_ptr vs weak_ptr in C++

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Prerequisite – Smart PointersSmart Pointer is a pointer-wrapping stack-allocated object. Smart pointers, in plain terms, are classes that ...read more

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Please note that the title is Functors (Not Functions)!!Consider a function that takes only one argument. However, while calling this functi ...read more

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In C, the whole array cannot be passed as an argument to a function. However, you can pass a pointer to an array without an index by specify...read more

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In C, like normal data pointers (int *, char *, etc), we can have pointers to functions. Following is a simple example that shows declaratio ...read more

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Prerequisite: Pointers in C++Pointers are used for accessing the resources which are external to the program - like heap memory. So, for acc...read more

How to pass a 2D array as a parameter in C?

Last Updated: 06 December 2023

This post is an extension of How to dynamically allocate a 2D array in C?A one dimensional array can be easily passed as a pointer, but synt ...read more

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Following are different ways to create a 2D array on the heap (or dynamically allocate a 2D array).In the following examples, we have consid ...read more

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The array and pointers are derived data types that have lots of differences and similarities. In some cases, we can even use pointers in pla ...read more

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