本程序的功能是初步构建学生的信息管理录入系统,可以添加、存储、显示输入的信息,也可以删除信息。(PS:菜鸟入门)
#include
#include
#define LIST_MAX_LENGTH 10
typedef struct SequentialList {
int actualLength;
int data[LIST_MAX_LENGTH];
} *SequentialListPtr;
//调用所需函数库,定义所需变量长度,构建结构体
void outputList(SequentialListPtr paraList) {
for(int i = 0; i < paraList->actualLength; i ++) {
printf("%d", paraList->data[i]);
}
printf("\r\n");
}//输出变化后的信息
void outputMemory(SequentialListPtr paraListPtr) {
printf("The address of the structure: %p\r\n", paraListPtr);
printf("The address of actualLength: %p\r\n", ¶ListPtr->actualLength);
printf("The address of data: %p\r\n", ¶ListPtr->data);
printf("The address of actual data: %p\r\n", ¶ListPtr->data[0]);
printf("The address of second data: %p\r\n", ¶ListPtr->data[1]);
}//输出信息地址
SequentialListPtr sequentialListInit(int paraData[], int paraLength) {
SequentialListPtr resultPtr = (SequentialListPtr)malloc(sizeof(struct SequentialList));
for (int i = 0; i < paraLength; i ++) {
resultPtr->data[i] = paraData[i];
}
resultPtr->actualLength = paraLength;
return resultPtr;
}//初始化信息
void sequentialListInsert(SequentialListPtr paraListPtr, int paraPosition, int paraValue) {
if (paraListPtr->actualLength >= LIST_MAX_LENGTH) {
printf("Cannot insert element: list full.\r\n");
return;
}// Step 1. 检查有无空间
if (paraPosition < 0) {
printf("Cannot insert element: negative position unsupported.");
return;
}
if (paraPosition > paraListPtr->actualLength) {
printf("Cannot insert element: the position %d is bigger than the list length %d.\r\n", paraPosition, paraListPtr->actualLength);
return;
}// Step 2. 检查有无位置
for (int i = paraListPtr->actualLength; i > paraPosition; i --) {
paraListPtr->data[i] = paraListPtr->data[i - 1];
}// Step 3. 移动原有信息
paraListPtr->data[paraPosition] = paraValue;
// Step 4. 插入
paraListPtr->actualLength ++;
// Step 5. 更新数组长度
}//插入学生信息(功能实现)
void sequentialInsertTest() {
int i;
int tempArray[5] = {3, 5, 2, 7, 4};
printf("---- sequentialInsertTest begins. ----\r\n");
SequentialListPtr tempList = sequentialListInit(tempArray, 5);
printf("After initialization, the list is: ");
outputList(tempList);
// 初始化数据
printf("Now insert to the first, the list is: ");
sequentialListInsert(tempList, 0, 8);
outputList(tempList);
// 插入到第一个位置
printf("Now insert to the last, the list is: ");
sequentialListInsert(tempList, 6, 9);
outputList(tempList);
// 插入到最后一个位置
printf("Now insert beyond the tail. \r\n");
sequentialListInsert(tempList, 8, 9);
printf("The list is:");
outputList(tempList);
// 插入到倒数第二个位置
for (i = 0; i < 5; i ++) {
printf("Inserting %d.\r\n", (i + 10));
sequentialListInsert(tempList, 0, (i + 10));
outputList(tempList);
}// 插入到第三个位置
printf("---- sequentialInsertTest ends. ----\r\n");
}//插入学生信息(功能表达)
int sequentialListDelete(SequentialListPtr paraListPtr, int paraPosition) {
if (paraPosition < 0) {
printf("Invalid position: %d.\r\n", paraPosition);
return -1;
}//检查有无空间
if (paraPosition >= paraListPtr->actualLength) {
printf("Cannot delete element: the position %d is beyond the list length %d.\r\n", paraPosition, paraListPtr->actualLength);
return -1;
}// Step 1. 检查有无位置
int resultValue = paraListPtr->data[paraPosition];
for (int i = paraPosition; i < paraListPtr->actualLength; i ++) {
paraListPtr->data[i] = paraListPtr->data[i + 1];
}// Step 2. 移动原有信息
paraListPtr->actualLength --;
// Step 3. 更新数组长度
return resultValue;
// Step 4.返回被删除数的值
}//检查学生信息
void sequentialDeleteTest() {
int tempArray[5] = {3, 5, 2, 7, 4};
printf("---- sequentialDeleteTest begins. ----\r\n");
SequentialListPtr tempList = sequentialListInit(tempArray, 5);
printf("After initialization, the list is: ");
outputList(tempList);
// 初始化数据
printf("Now delete the first, the list is: ");
sequentialListDelete(tempList, 0);
outputList(tempList);
// 删除第一个信息
printf("Now delete the last, the list is: ");
sequentialListDelete(tempList, 3);
outputList(tempList);
// 删除最后一个信息
printf("Now delete the second, the list is: ");
sequentialListDelete(tempList, 1);
outputList(tempList);
// 删除第二个信息
printf("Now delete the 5th, the list is: ");
sequentialListDelete(tempList, 5);
outputList(tempList);
// 删除第五个信息
printf("Now delete the (-6)th, the list is: ");
sequentialListDelete(tempList, -6);
outputList(tempList);
// 删除无效信息
printf("---- sequentialDeleteTest ends. ----\r\n");
outputMemory(tempList);
}//删除学生信息(功能表达)
int locateElement(SequentialListPtr paraListPtr, int paraValue) {
for (int i = 0; i < paraListPtr->actualLength; i ++) {
if (paraListPtr->data[i] == paraValue) {
return i;
}
}
return -1;
}//在顺序表中找到给定的数并返回其位置,没有则返回“-1”
int getElement(SequentialListPtr paraListPtr, int paraPosition) {
if (paraPosition < 0) {
printf("Invalid position: %d.\r\n", paraPosition);
return -1;
}
if (paraPosition >= paraListPtr->actualLength) {
printf("Cannot delete element: the position %d is beyond the list length %d.\r\n", paraPosition, paraListPtr->actualLength);
return -1;
}
return paraListPtr->data[paraPosition];
}//找出给定位置的信息
void clearList(SequentialListPtr paraListPtr) {
paraListPtr->actualLength = 0;
}//删除学生信息(功能实现)
int main() {
sequentialInsertTest();
sequentialDeleteTest();
}//主函数
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