棧之順序?；静僮?- 武林網

棧之順序?；静僮?/h1>

2019-11-11 07:46:15

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#include <stdio.h>#include <malloc.h>#define MaxSize 100//順序棧的存儲結構typedef char ElemType;typedef struct{	ElemType data[MaxSize];	int top;					//棧頂指針} SqStack;//初始化棧void InitStack(SqStack *&s){    s=(SqStack *)malloc(sizeof(SqStack));    s->top=-1;//棧頂指針置為-1}//銷毀棧void DestroyStack(SqStack *&s){    free(s);}//判斷棧是夠為空int  StackEmpty(SqStack *s){    return (s->top==-1);}//進棧bool Push(SqStack *&s,ElemType e){    if(s->top==MaxSize-1)//判斷棧是否棧滿防止溢出        return false;    s->top++;//棧頂指針增加一    s->data[s->top]=e;    return true;}//出棧bool Pop(SqStack *&s,ElemType &e){    if(s->top==-1)//棧為空的情況，即棧下溢出        return false;    e=s->data[s->top];    s->top--;    return true;}//取棧頂元素bool GetTop(SqStack *s,ElemType &e){    if(s->top==-1)//棧為空的情況，即棧下溢出        return false;    e=s->data[s->top];    return true;}int main(){	ElemType e;	SqStack *s;	PRintf("棧s的基本運算如下:/n");	printf("  (1)初始化棧s/n");	InitStack(s);	printf("  (2)棧為%s/n",(StackEmpty(s)?"空":"非空"));	printf("  (3)依次進棧元素a,b,c,d,e/n");	Push(s,'a');	Push(s,'b');	Push(s,'c');	Push(s,'d');	Push(s,'e');	printf("  (4)棧為%s/n",(StackEmpty(s)?"空":"非空"));	printf("  (5)出棧序列:");	while (!StackEmpty(s))	{		Pop(s,e);		printf("%c ",e);	}	printf("/n");	printf("  (6)棧為%s/n",(StackEmpty(s)?"空":"非空"));	printf("  (7)釋放棧/n");	DestroyStack(s);    return 0;}運行結果：