style(codes/c): Update my_list.c code format

pull/253/head
Gonglja 2 years ago
parent 23f2bf8c67
commit ed91372594

@ -17,92 +17,92 @@ struct mylist {
typedef struct mylist MyList;
/* 前置声明 */
void extendCapacity(MyList* l);
void extendCapacity(MyList *list);
/* 构造函数 */
void newMyList(MyList* l) {
l->capacity = 10;
l->nums = malloc(sizeof(int) * l->capacity);
l->size = 0;
l->extendRatio = 2;
void newMyList(MyList *list) {
list->capacity = 10;
list->nums = malloc(sizeof(int) * list->capacity);
list->size = 0;
list->extendRatio = 2;
}
/* 获取列表长度 */
int size(MyList* l) {
return l->size;
int size(MyList *list) {
return list->size;
}
/* 获取列表容量 */
int capacity(MyList* l) {
return l->capacity;
int capacity(MyList *list) {
return list->capacity;
}
/* 访问元素 */
int get(MyList* l, int index) {
assert(index < l->size);
return l->nums[index];
int get(MyList *list, int index) {
assert(index < list->size);
return list->nums[index];
}
/* 更新元素 */
void set(MyList* l, int index, int num) {
assert(index < l->size);
l->nums[index] = num;
void set(MyList *list, int index, int num) {
assert(index < list->size);
list->nums[index] = num;
}
/* 尾部添加元素 */
void add(MyList* l, int num) {
if (size(l) == capacity(l)) {
extendCapacity(l); // 扩容
void add(MyList *list, int num) {
if (size(list) == capacity(list)) {
extendCapacity(list); // 扩容
}
l->nums[size(l)] = num;
l->size++;
list->nums[size(list)] = num;
list->size++;
}
/* 中间插入元素 */
void insert(MyList* l, int index, int num) {
assert(index < size(l));
for (int i=size(l); i>index; --i) {
l->nums[i] = l->nums[i-1];
void insert(MyList *list, int index, int num) {
assert(index < size(list));
for (int i = size(list); i > index; --i) {
list->nums[i] = list->nums[i-1];
}
l->nums[index] = num;
l->size++;
list->nums[index] = num;
list->size++;
}
/* 删除元素 */
// 由于引入了 stdio.h ,此处无法使用 remove 关键词
// 详见 https://github.com/krahets/hello-algo/pull/244#discussion_r1067863888
int removeNum(MyList* l, int index) {
assert(index < size(l));
int num = l->nums[index];
for (int i=index; i<size(l)-1; i++) {
l->nums[i] = l->nums[i+1];
int removeNum(MyList *list, int index) {
assert(index < size(list));
int num = list->nums[index];
for (int i = index; i < size(list) - 1; i++) {
list->nums[i] = list->nums[i+1];
}
l->size--;
list->size--;
return num;
}
/* 列表扩容 */
void extendCapacity(MyList* l) {
void extendCapacity(MyList *list) {
// 先分配空间
size_t newCapacity = capacity(l) * l->extendRatio;
int newCapacity = capacity(list) * list->extendRatio;
int *extend = (int *)malloc(sizeof(int) * newCapacity);
int *temp = l->nums;
int *temp = list->nums;
// 拷贝旧数据到新数据
for(size_t i=0; i<size(l); i++)
extend[i] = l->nums[i];
for(int i = 0; i < size(list); i++)
extend[i] = list->nums[i];
// 释放旧数据
free(temp);
// 更新新数据
l->nums = extend;
l->capacity = newCapacity;
list->nums = extend;
list->capacity = newCapacity;
}
/* 将列表转换为 Array 用于打印 */
int* toArray(MyList* l) {
return l->nums;
int* toArray(MyList *list) {
return list->nums;
}
int main() {

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