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Level 57

Arrays


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Arrays
a kind of data structure that can store a fixed-size sequential collection of elements of the same type
Declaring Arrays
type arrayName [ arraySize ];
Initializing Arrays
double balance[5] = {1000.0, 2.0, 3.4, 7.0, 50.0};
Accessing Array Elements
double course = balance[9];
Multi-dimensional arrays
C supports multidimensional arrays. the simplest form of the multidimensional array is the two-dimensional array.
Passing arrays to functions
You can pass to the function a pointer to an array by specifying the array's name without an index.
Return array from a function
C allows a function to return an array.
Pointer to an array
You can generate a pointer to the first element of an array by simply specifying the array name, without any index.
type name[size1][size2]...[sizeN];
the general form of a multidimensional array declaration
Two-dimensional Arrays
type arrayName [ x ][ y ];
int val = a[2][3];
Accessing Two-Dimensional Array Elements