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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ~~~ #include<stdio.h> #include<windows.h> #include<malloc.h> typedef int elemtype; typedef struct linknode //鏈表的定義 { elemtype data; struct linknode *next; } listack; void initstack(listack *&s) //初始化 { s=(listack *)malloc(sizeof(listack)); s->next=NULL; } void push(listack *s) //進棧 { int e; listack *p; printf("請輸入進棧元素:"); scanf("%d",&e); p=(listack *)malloc(sizeof(listack)); p->data=e; p->next=s->next; s->next=p; printf("進棧成功\n"); } void gettop(listack *s) //取棧頂元素 { int t; if(s->next==NULL) printf("棧空,取值失敗!\n"); else { t=s->next->data; printf("取值成功,棧頂元素為:%d\n",t); } } void stackempty(listack *s) //判斷鏈棧是否為空 { if(s->next==NULL) printf("棧為空\n"); else printf("棧不為空\n"); } void pop(listack *&s) //出棧 { listack *p; int e; if(s->next!=NULL) { p=s->next; e=p->data; s->next=p->next; free(p); printf("出棧成功,棧頂元素為:%d\n",e); } else printf("棧為空,出棧失敗\n"); } void destroy(listack *&s) { listack *p=s,*q=s->next; char m; getchar(); printf("確定要銷毀棧,請輸入y 否則不銷毀!\n"); scanf("%c",&m); if(m=='y') { while(q!=NULL) { free(p); p=q; q=p->next; } free(p); printf("銷毀成功!\n"); exit(0); } else printf("鏈棧未銷毀!\n"); } void main() { listack *s; int m; printf(" ******************歡迎使用**********************\n"); initstack(s); while(1) { printf("請選擇:"); printf(" 1 進棧\n"); printf(" 2 判斷棧是否為空\n"); printf(" 3 取棧頂元素\n"); printf(" 4 出棧\n"); printf(" 5 銷毀棧\n"); printf(" 6 退出\n"); scanf("%d",&m); switch(m) { case 1:push(s);break; case 2:stackempty(s);break; case 3:gettop(s);break; case 4:pop(s);break; case 5:destroy(s);break; case 6:exit(0); default:printf("輸入錯誤,請重新輸入\n"); } } } ~~~
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                              哎呀哎呀视频在线观看