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order.c
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113 lines (109 loc) · 2.13 KB
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#include <stdio.h>
#include <stdlib.h>
#define Size 5
typedef struct Table
{
int *head;
int length;
int size;
} table;
table initTable()
{
table t;
t.head = (int *)malloc(Size * sizeof(int));
if (!t.head)
{
printf("初始化失败\n");
exit(0);
}
t.length = 0;
t.size = Size;
return t;
}
table addTable(table t, int elem, int add)
{
if (add > t.length + 1 || add < 1)
{
printf("插入位置有问题\n");
return t;
}
if (t.length >= t.size)
{
t.head = (int *)realloc(t.head, (t.size + 1) * sizeof(int));
if (!t.head)
{
printf("存储分配失败\n");
}
t.size += 1;
}
for (int i = t.length - 1; i >= add - 1; i--)
{
t.head[i + 1] = t.head[i];
}
t.head[add - 1] = elem;
t.length++;
return t;
}
table delTable(table t, int add)
{
if (add > t.length || add < 1)
{
printf("被删除元素的位置有误\n");
return t;
}
for (int i = add; i < t.length; i++)
{
t.head[i - 1] = t.head[i];
}
t.length--;
return t;
}
int selectTable(table t, int elem)
{
for (int i = 0; i < t.length; i++)
{
if (t.head[i] == elem)
{
return i + 1;
}
}
return -1;
}
table amendTable(table t, int elem, int newElem)
{
int add = selectTable(t, elem);
t.head[add - 1] = newElem;
return t;
}
void displayTable(table t)
{
for (int i = 0; i < t.length; i++)
{
printf("%d ", t.head[i]);
}
printf("\n");
}
int main()
{
table t1 = initTable();
for (int i = 1; i <= Size; i++)
{
t1.head[i - 1] = i;
t1.length++;
}
printf("原顺序表:\n");
displayTable(t1);
printf("删除元素1:\n");
t1 = delTable(t1, 1);
displayTable(t1);
printf("在第2的位置插入元素5:\n");
t1 = addTable(t1, 5, 2);
displayTable(t1);
printf("查找元素3的位置:\n");
int add = selectTable(t1, 3);
printf("%d\n", add);
printf("将元素3改为6:\n");
t1 = amendTable(t1, 3, 6);
displayTable(t1);
return 0;
}