What does x[1] mean in C language?

In C language, x[1] refers to the second element of array x. An array is a data structure consisting of elements of the same type, with each element having a unique index starting from 0. x[1] is equivalent to *(x 1), accessing the second element in the array, and can be used to access and modify the element.

The meaning of x[1] in C language

In C language, x[1] represents an array The second element of x.

Array

An array is a data structure that stores a series of elements of the same data type. Each element has a unique index, starting from 0.

Array index

Array index is used to access elements in an array. It is an integer specifying the position of the element to be accessed. The first element has index 0, the second element has index 1, and so on.

x[1]

x[1] represents the second element of array x. It is equivalent to *(x 1), where x is the base address of the array. For example, if x is an array of 10 integers, then x[1] accesses the second integer.

Usage

x[1] can be used to access and modify the second element of the array. For example:

int x[10];

// 访问第二个元素
int second_element = x[1];

// 修改第二个元素
x[1] = 10;

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