C語言實現(xiàn)的順序表功能完整實例
更新時間:2018年04月30日 13:24:39 作者:Tom文星
這篇文章主要介紹了C語言實現(xiàn)的順序表功能,結(jié)合完整實例形式分析了C語言順序表的創(chuàng)建、添加、刪除、排序、合并等相關(guān)操作技巧,需要的朋友可以參考下
本文實例講述了C語言實現(xiàn)的順序表功能。分享給大家供大家參考,具體如下:
seqlist.h
#ifndef __SEQLIST_H__
#define __SEQLIST_H__
#include<cstdio>
#include<malloc.h>
#include<assert.h>
#define SEQLIST_INIT_SIZE 8
#define INC_SIZE 3 //空間增量的大小
typedef int ElemType;
typedef struct Seqlist {
ElemType *base;
int capacity; //順序表容量
int size; //表的大小
}Seqlist;
bool Inc(Seqlist *list);//增加順序表的容量
void InitSeqlist(Seqlist *list); //初始化順序表
void push_back(Seqlist *list, ElemType x); //在順序表的末尾插入元素
void push_front(Seqlist *list, ElemType x); //在順序表的頭部插入元素
void show_list(Seqlist *list); //顯示順序表中的元素
void pop_back(Seqlist *list); //刪除順序表最后一個元素
void pop_front(Seqlist *list); //刪除順序表第一個元素
void insert_pos(Seqlist *list, int pos, ElemType x);//在順序表的選定位置上插入數(shù)據(jù)
int find(Seqlist *list, ElemType key); //在順序表中查找元素key的下標
int length(Seqlist *list);//求順序表的長度
void delete_pos(Seqlist *list, int pos); //刪除順序表中特定位置的數(shù)據(jù)元素
void delete_val(Seqlist *list, int key);//刪除順序表中值為key的數(shù)據(jù)元素
void sort(Seqlist *list);//冒泡排序
void reverse(Seqlist *list);//逆置順序列表
void clear(Seqlist *list);//清除順序表中的所有元素
void destroy(Seqlist *list);//摧毀順序表
void merge(Seqlist *lt, Seqlist *la, Seqlist *lb);//合并兩個順序列表
#endif //__SEQLIST_H__
seqlist.cpp
#include"seqlist.h"
bool Inc(Seqlist *list) {
ElemType *newbase = (ElemType*)realloc(list, sizeof(ElemType)*(list->capacity + INC_SIZE)); //重新分配內(nèi)存空間
if (newbase == NULL) {
printf("內(nèi)存空間已滿,無法再分配內(nèi)存空間!\n");
return false;
}
list->base = newbase;
list->capacity += INC_SIZE;
return true;
}
void InitSeqlist(Seqlist *list) {
list->base = (ElemType*)malloc(sizeof(ElemType)*SEQLIST_INIT_SIZE);
assert(list->base != NULL);
list->capacity = SEQLIST_INIT_SIZE;
list->size = 0;
}
void push_back(Seqlist *list, ElemType x) {
if (list->size >= list->capacity && !Inc(list)) { //Inc(list)用來判斷增加順序表容量是否成功,只有在失敗的情況下才會進入if語句中
printf("順序表容量已滿,無法再在表尾繼續(xù)插入新元素!\n");
return;
}
list->base[list->size] = x;
list->size++;
}
void push_front(Seqlist *list, ElemType x) {
if (list->size >= list->capacity && !Inc(list)) {
printf("順序表容量已滿,無法再在表頭插入新元素!\n");
return;
}
for (int i = list->size;i > 0;i--) {
list->base[i] = list->base[i - 1];
}
list->base[0] = x;
list->size++;
}
void show_list(Seqlist *list) {
for (int i = 0;i < list->size;i++) {
printf("%d ", list->base[i]);
}
printf("\n");
}
void pop_back(Seqlist *list) {
if (list->size == 0) {
printf("順序表已空,無法再在表尾刪除元素!\n");
return;
}
list->size--;
}
void pop_front(Seqlist *list) {
if (list->size == 0) {
printf("順序表已空,無法再在表頭刪除元素!\n");
return;
}
for (int i = 0;i < list->size - 1;i++) {
list->base[i] = list->base[i + 1];
}
list->size--;
}
void insert_pos(Seqlist *list, int pos, ElemType x) {
if (pos<0 || pos>list->size) {
printf("插入位置不合法,無法插入元素!\n");
return;
}
if (list->size >= list->capacity && !Inc(list)) {
printf("順序表容量已滿,無法在插入新的元素!\n");
return;
}
for (int i = list->size;i > pos;i--) {
list->base[i] = list->base[i - 1];
}
list->base[pos] = x;
list->size++;
}
int find(Seqlist *list, ElemType key) {
for (int i = 0;i < list->size;i++) {
if (list->base[i] == key)
return i;
}
return -1;
}
int length(Seqlist *list) {
return list->size;
}
void delete_pos(Seqlist *list, int pos) {
if (pos < 0 || pos >= list->size) {
printf("刪除位置不合法,無法刪除元素!\n");
return;
}
for (int i = pos;i < list->size - 1;i++) {
list->base[i] = list->base[i + 1];
}
list->size--;
}
void delete_val(Seqlist *list, int key) {
int pos = find(list, key);
if (pos == -1) {
printf("順序表中沒有這個元素!\n");
return;
}
delete_pos(list, pos);
}
void sort(Seqlist *list) {
for (int i = 0;i < list->size - 1;i++) {//排序的趟數(shù)(例如5個數(shù)據(jù)需要比較4趟)
for (int j = 0;j < list->size - 1 - i;j++) {//每一趟比較中的比較次數(shù)(例如5個數(shù)據(jù)在第0趟需要比較4次)
if (list->base[j] > list->base[j + 1]) {
ElemType temp = list->base[j];
list->base[j] = list->base[j + 1];
list->base[j + 1] = temp;
}
}
}
}
void reverse(Seqlist *list) {
if (list->size == 0 || list->size == 1) return;
int low = 0, high = list->size - 1;
while (low < high) {
ElemType temp = list->base[low];
list->base[low] = list->base[high];
list->base[high] = temp;
low++;
high--;
}
}
void clear(Seqlist *list) {
list->size = 0;
}
void destroy(Seqlist *list) {
free(list->base);
list->base = NULL;
list->capacity = 0;
list->size = 0;
}
void merge(Seqlist *lt, Seqlist *la, Seqlist *lb) {
lt->capacity = la->size + lb->size;
lt->base = (ElemType*)malloc(sizeof(ElemType)*lt->capacity);
assert(lt->base != NULL);
int ia = 0, ib = 0, ic = 0;
while (ia < la->size&&ib < lb->size) {
if (la->base[ia] < lb->base[ib]) {
lt->base[ic++] = la->base[ia++];
}
else {
lt->base[ic++] = lb->base[ib++];
}
}
while (ia < la->size) {
lt->base[ic++] = la->base[ia++];
}
while (ib < lb->size) {
lt->base[ic++] = lb->base[ib++];
}
lt->size = la->size + lb->size;
show_list(lt);
}
main.cpp
#include"seqlist.h"
void main() {
Seqlist list;
InitSeqlist(&list);
ElemType item;
int pos;
int select = 1;
while (select) {
printf("*******************************************\n");
printf("*[1] push_back [2] push_front *\n");
printf("*[3] show_list [4] pop_back *\n");
printf("*[5] pop_front [6] insert_pos *\n");
printf("*[7] find [8] length *\n");
printf("*[9] delete_pos [10] delete_value *\n");
printf("*[11] sort [12] reverse *\n");
printf("*[13] clear [14] merge *\n");
printf("*[0] quit_system *\n");
printf("*******************************************\n");
printf("請選擇:>>");
scanf("%d", &select);
if (select == 0) break;
switch (select) {
case 1:
printf("請輸入要插入的數(shù)據(jù)(-1結(jié)束):>");
while (scanf("%d", &item), item != -1) {//先輸入item的值,只要item不等于-1就接著循環(huán)
push_back(&list, item);
}
break;
case 2:
printf("請輸入要插入的數(shù)據(jù)(-1結(jié)束):>");
while (scanf("%d", &item), item != -1) {
push_front(&list, item);
}
break;
case 3:
show_list(&list);
break;
case 4:
pop_back(&list);
break;
case 5:
pop_front(&list);
break;
case 6:
printf("請輸入要插入的數(shù)據(jù):>");
scanf("%d", &item);
printf("請輸入要插入的位置:>");
scanf("%d", &pos);
insert_pos(&list, pos, item);
break;
case 7:
printf("請輸入要查找的數(shù)據(jù):>");
scanf("%d", &item);
pos = find(&list, item);
if (pos == -1)
printf("查找的數(shù)據(jù)元素不在順序表中!\n");
else
printf("查找的數(shù)據(jù)元素在順序表中的下標位置為%d\n", pos);
break;
case 8:
printf("順序表的長度為%d\n", length(&list));
break;
case 9:
printf("請輸入要刪除數(shù)據(jù)在順序表中的下標位置:>");
scanf("%d", &pos);
delete_pos(&list, pos);
break;
case 10:
printf("請輸入要刪除數(shù)據(jù)的值:>");
scanf("%d", &item);
delete_val(&list, item);
break;
case 11:
sort(&list);
break;
case 12:
reverse(&list);
break;
case 13:
clear(&list);
break;
case 14:
Seqlist mylist, yourlist;
ElemType item1, item2;
InitSeqlist(&mylist);
InitSeqlist(&yourlist);
printf("請輸入順序表1中的元素值(-1結(jié)束):>");
while (scanf("%d", &item1), item1 != -1) {
push_back(&mylist, item1);
}
printf("請輸入順序表2中的元素值(-1結(jié)束):>");
while (scanf("%d", &item2), item2 != -1) {
push_back(&yourlist, item2);
}
merge(&list, &mylist, &yourlist);
destroy(&mylist);
destroy(&yourlist);
break;
default:
printf("輸入的選擇錯誤!請重新輸入!\n");
break;
}
}
destroy(&list);
}
希望本文所述對大家C語言程序設(shè)計有所幫助。
相關(guān)文章
淺談C語言共用體和與結(jié)構(gòu)體的區(qū)別
下面小編就為大家?guī)硪黄獪\談C語言共用體和與結(jié)構(gòu)體的區(qū)別。小編覺得挺不錯的,現(xiàn)在就分享給大家,也給大家做個參考。一起跟隨小編過來看看吧2017-02-02

