0
What else can I help you with?
What is the index number of the last element of an array with 9 elements?
(array.length - 1) will find the index of the last element in an array (or -1 if the array is empty).
How would you dynamically allocate a one-dimensional and two-dimensional array of integers?
To dynamically allocate an array, use 'void *realloc(void *array, size_t size)', where array is the pointer you plan on reallocating and size is the new length of the array in bytes.One-dimensional array:{int len = 10;int *array = NULL;array = (int*)realloc(array, len * sizeof(int));}Two-dimensional array:{int xlen = 10;int ylen = 10;int **array2d = NULL;array2d = (int**)realloc(array2d, xlen * sizeof(int*));/* After reallocating array2d, do the same to its contents. */int index;for (index = 0; index < xlen; index++) {array2d[index] = (int*)realloc(array2d[index], ylen * sizeof(int));}array2d[5][5] = 24;/* Clean up. */for (index = 0; index < xlen; index++) {free(array2d[index]);}free(array2d);return 0;}
How will you find the location of an element of an array?
Basically, &array[i]; That is, the memory location for an array object with index i. Or, you can do: (array + i);
What do array subscripts always have?
Array subscripts always have a zero-based index. In languages that allow an n-based index, the index is simply offset by n elements, so the compiler subtracts n from the given index to obtain the zero-based index. Arrays are always zero-based because the first element of an array is found zero elements from the start of the array.
How do you find matrix in c?
using multidimensional array
Why the array is starting from zero?
By design; it makes the compiler's work easier. 1-based array's addressing-function: Address (array, index) = Address (array) + (index-1)*Elemsize(array) 0-based array's addressing-function: Address (array, index) = Address (array) + index*Elemsize (array)
How do you multiply two metrix without array?
A matrix IS an array so it is impossible to multiply a matrix without array. The answer to the multiplication of two matrices need not be an array. If the first matrix is a 1xn (row) matrix and the second is an nx1 (column) matrix, then their multiple is a 1x1 matrix which can be considered a scalar.
What is the index number of the last element of an array with 9 elements?
(array.length - 1) will find the index of the last element in an array (or -1 if the array is empty).
What is difference between key and index in php arrays?
A key is the name of a variable in an array ($array["key"]) and the index is the position it's at ($array = ["key" => 0], the index would be 0). Keys and indices are the same if the array is not associative though ($array = [true], the key holding the value true is named 0 and is at index 0).
A two-dimensional array of elements arranged in rows and columns is a?
matrix
How would you dynamically allocate a one-dimensional and two-dimensional array of integers?
To dynamically allocate an array, use 'void *realloc(void *array, size_t size)', where array is the pointer you plan on reallocating and size is the new length of the array in bytes.One-dimensional array:{int len = 10;int *array = NULL;array = (int*)realloc(array, len * sizeof(int));}Two-dimensional array:{int xlen = 10;int ylen = 10;int **array2d = NULL;array2d = (int**)realloc(array2d, xlen * sizeof(int*));/* After reallocating array2d, do the same to its contents. */int index;for (index = 0; index < xlen; index++) {array2d[index] = (int*)realloc(array2d[index], ylen * sizeof(int));}array2d[5][5] = 24;/* Clean up. */for (index = 0; index < xlen; index++) {free(array2d[index]);}free(array2d);return 0;}
What is example of two dimentional array?
a matrix
How will you find the location of an element of an array?
Basically, &array[i]; That is, the memory location for an array object with index i. Or, you can do: (array + i);
What do array subscripts always have?
Array subscripts always have a zero-based index. In languages that allow an n-based index, the index is simply offset by n elements, so the compiler subtracts n from the given index to obtain the zero-based index. Arrays are always zero-based because the first element of an array is found zero elements from the start of the array.
How do you find matrix in c?
using multidimensional array
What does that mean matrix?
A matrix in mathematics is a rectangular array of quantities or expressions set out by rows and columns.
What is the use of matrix in data structures?
Nothing, but a two dimensional array can be used to represent a matrix.
