栈表的操作

//top为整数,代表栈顶元素位置 #include #include #define MAXNUM 50 typedef int Elemtype; typedef struct { Elemtype stack[MAXNUM]; int top; }SqStack; //栈的初始化 int InitStack(SqStack *s) { Elemtype *p; p=s->stack; p=(Elemtype *)malloc(MAXNUM*sizeof(Elemtype)); if(!p) return 0; s->top=-1;