数据结构之栈的基本操作

该顺序栈涉及到了存储整型数据的顺序栈还有存储字符型数据的顺序栈
实现的功能有：入栈、出栈、判断是否为空栈、求栈的长度、清空栈、销毁栈、得到栈顶元素
此外根据上述功能，编写了数值转换（十进制转化八进制）方法、括号匹配方法。

#include #include #pragma warning(disable:4996)#includeusing namespace std;#defineSTACK_INIT_SIZE100#defineSTACKINCREMENT10#define OK 1#define TRUE 1#define FALSE 0#define OVERFLOW 0#define ERROR 0 typedef int Status;typedef char SChar;typedef int SElemType; //定义栈，栈中存储的数据为整型数据 typedefstruct{SElemType* base; //栈底指针SElemType* top;//栈顶指针intstacksize;//当前已分配的存储空间}SqStackInt, * SqslinkInt;//顺序栈说明符 //定义栈，栈中存储的数据为字符型数据 typedefstruct{SChar* base; //栈底指针SChar* top;//栈顶指针intstacksize;//当前已分配的存储空间}SqStackChar, * SqslinkChar;//顺序栈说明符//下面为 “栈中存储的数据为整型数据 ”的基本操作 Status InitStackInt(SqStackInt& S) {//分配内存空间S.base = (SElemType*)malloc(STACK_INIT_SIZE * sizeof(SElemType));if (!S.base)exit(OVERFLOW);//分配失败S.top = S.base;S.stacksize = STACK_INIT_SIZE;//顺序栈最大的长度return OK;}//求顺序栈（整形数据）的长度Status StackIntList(SqStackInt& S) {int list = (S.top - S.base);//栈的头指针减去尾指针就是长度printf("该顺序栈的长度为:%5d\n", list);return OK;}//清空顺序栈（整形数据）Status ClearStackInt(SqStackInt& S) {S.top = S.base;printf("该整形顺序栈已经清空！");return OK;}//判断顺序栈（整形数据）是否为空栈Status StackEmptyInt(SqStackInt S) {if (S.base == S.top) {printf("该整形顺序栈是空栈！");return TRUE;}else return FALSE;}//在顺序栈（整形数据）中得到栈顶元素SElemType GetTop(SqStackInt& S, SElemType& e) {if (S.top == S.base) {return ERROR;}e = *(S.top - 1);//取出栈顶元素return OK;}//在顺序栈（整形数据）中进栈Status PushInt(SqStackInt& S, SElemType e) {//判断栈是不是满了，如果满了就增加内存空间if (S.top - S.base >= S.stacksize) {S.base = (SElemType*)realloc(S.base, (S.stacksize + STACKINCREMENT) * sizeof(SElemType));if (!S.base) exit(OVERFLOW);//realloc失败了S.top = S.base + S.stacksize;S.stacksize += STACKINCREMENT;}*S.top++ = e;return OK; }//在顺序栈（整形数据）中出栈Status PopInt(SqStackInt& S, SElemType& e) {if (S.top == S.base) return ERROR;e = *--S.top; // printf("出栈的元素:%5d\n", e);int numer = e;return numer;}//销毁顺序栈（整形数据）Status DestroyStackInt(SqStackInt& S) {S.stacksize = 0;//销毁后栈的长度为零S.top = S.base;free(S.base);//释放栈底S.top = S.base = NULL;printf("该顺序栈已被销毁");return OK;}//下面为 “栈中存储的数据为字符型数据 ”的基本操作 Status InitStackChar(SqStackChar& S) {S.base = (SChar*)malloc(STACK_INIT_SIZE * sizeof(SChar));if (!S.base)exit(OVERFLOW);S.top = S.base;S.stacksize = STACK_INIT_SIZE;return OK;} Status ClearStackChar(SqStackChar& S) {S.top = S.base;return OK;} Status StackEmptyChar(SqStackChar S) {if (S.base == S.top) return TRUE;else return FALSE;} SChar GetTopChar(SqStackChar& S) {SChar e;if (S.top == S.base) return ERROR;e = *(S.top - 1);return e;} Status PushChar(SqStackChar& S, SChar e) {if (S.top - S.base >= S.stacksize) {S.base = (SChar*)realloc(S.base, (S.stacksize + STACKINCREMENT) * sizeof(SChar));if (!S.base) exit(OVERFLOW);S.top = S.base + S.stacksize;S.stacksize += STACKINCREMENT;}*S.top++ = e; return OK;} SCharPopChar(SqStackChar& S, SChar& e) {if (S.top == S.base) return ERROR;e = *--S.top;char data = e;return data;}Status DestroyStackChar(SqStackChar& S) {free(S.base);return OK;} //数制转换算法 void conversion() {SqStackInt S;InitStackInt(S);int N;printf("请输入一个数:");scanf("%d", &N);while (N) {PushInt(S, N % 8);//如果N÷8的余数不为零就进栈N = N / 8;}SElemType e;while (!StackEmptyInt(S)) {PopInt(S, e);//所有余数出栈printf("%d", e);} } // conversion //括号匹配算法StatusMatching(){SqStackChar S;InitStackChar(S);int i =0; char x; ClearStackChar(S);SChar E[100];printf("请输入一组括号（以#结束）：");scanf("%s", &E);printf("你输入的是：%s\n", E);while (E[i] != '#'){if (E[i] == '(' || E[i] == '[') {PushChar(S, E[i]); //（，[ 进栈}if (E[i] ==')' || E[i] == ']'){if (StackEmptyChar(S)) {return(ERROR);}//不匹配,返回0else {x = PopChar(S, E[i]);//出栈，x为相应左括号if (x == '(' && E[i] == ']' || x == '[' && E[i] == ')') {return(ERROR);}}//不匹配返回0}i++; }if (StackEmptyChar(S))return(OK); //括号匹配，返回1else return(ERROR);//不匹配返回0 }//Matchingint main(){SqStackInt int_S;InitStackInt(int_S);//初始化栈SElemType enterData_Int;//定义进栈的元素变量，对其赋值SElemType outData_Int;//元素出栈用此接受int n;//后面要进行的操做数，可以对其赋值SElemType e;//定义得到栈顶元素的变量int result;while (1){printf("\n\n\n");printf("请从下面菜单中选择要操作的项：\n");printf("1、数制转换（十进制转换八进制）\n");printf("2、括号匹配\n");printf("3、整形数据元素进栈\n");printf("4、整形数据元素出栈\n");printf("5、求整形顺序栈的长度\n");printf("6、清空整形顺序栈\n");printf("7、销毁整形顺序栈\n");printf("8、判断整形顺序栈是否为空栈\n");printf("9、得到整形顺序栈的栈顶元素\n");printf("0、退出\n");printf("请输入1-9的数或者输入0结束程序:\n");scanf("%d", &n);switch (n) {case 1:conversion();break;case 2:result = Matching();if (result == OK)printf("括号匹配成功\n");elseprintf("括号匹配不成功\n");break;case 3:printf("请输入要进栈的整形数据元素:\n");scanf("%d", &enterData_Int);PushInt(int_S, enterData_Int);break;case 4: /* scanf("%d", &eOut);*/int num ;num= PopInt(int_S, outData_Int);printf("出栈的元素是:%5d\n", num); break;case 5:StackIntList(int_S);break;case 6:ClearStackInt(int_S);break;case 7:DestroyStackInt(int_S);break;case 8:StackEmptyInt(int_S);break;case 9:GetTop(int_S,e);break;case 0:exit(0);break;default:printf("输入数值错误，请重新输入\n"); break;}}return OK;}