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update array with C code

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ayuan 2023-01-04 11:54:27 +08:00 committed by GitHub
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10
docs/chapter_array_and_linkedlist/array.md
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@ -69,8 +69,8 @@ comments: true
```c title="array.c" ```c title="array.c"
/* 初始化数组 */ /* 初始化数组 */
int nums[8] = {1, 2, 4, 8, 16 ,32 ,64}; /* 从ANSI C开始支持这种初始化 即完全初始化 */ int nums[8] = {1, 2, 4, 8, 16 ,32 ,64}; /* 从ANSI C开始支持这种初始化 即完全初始化 */
int arr[5] = {1, 2}; /* 不完全初始化 未初始化的元素会被置0 */ int arr[5] = {1, 2}; // 不完全初始化 未初始化的元素会被置 0
int days[12] = {31, 28, [4] = 31, 30, 31, [1] = 29}; /* 从C99开始支持 指定初始化器 即指定数组中某一位元素的数值 */ int days[12] = {31, 28, [4] = 31, 30, 31, [1] = 29}; // 从C99开始支持 指定初始化器 即指定数组中某一位元素的数值
``` ```
=== "C#" === "C#"
@ -179,9 +179,9 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
```c title="array.c" ```c title="array.c"
/* 随机返回一个数组元素 */ /* 随机返回一个数组元素 */
int randomAccess(int nums[], int size) { int randomAccess(int nums[], int size) {
//在区间[0, nums的长度)中随机抽取一个数字 // 在区间 [0, nums的长度) 中随机抽取一个数字
int randomIndex = rand() % size; int randomIndex = rand() % size;
//获取并返回随机元素 // 获取并返回随机元素
int random = nums[randomIndex]; int random = nums[randomIndex];
return random; return random;
} }
@ -303,7 +303,7 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
=== "C" === "C"
```c title="array.c" ```c title="array.c"
/*扩展数组长度 */ /* 扩展数组长度 */
int* extend(int nums[], int size, int enlarge) { int* extend(int nums[], int size, int enlarge) {
// 初始化一个扩展长度后的数组 // 初始化一个扩展长度后的数组
int res[size + enlarge]; int res[size + enlarge];