#include“stdio.h“
#include?“string.h“
#define?N?50
#define?maxSize?20
//問題：入符號棧后指針不變？??結構體內的頭指針不能直接作++或--引用，如?++（sym->top），這樣就改變了其中的頭指針

/*?定義數字棧?*/
typedef?struct
{
????long?data[maxSize];
????int?top?;?//頭地址
}?Stack_number;

/*?定義符號棧?*/
typedef?struct
{
????char?symbol[maxSize];
????int?top?;?//頭地址
}?Stack_symbol;

/*?函數聲明?*/
long?pop_number（Stack_number?*st）;
void?push_number（long?numberStack_number?*st）;
char?pop_symbol（Stack_symbol?*st）;
void?push_symbol（char?symbolStack_symbol?*st）;
int?detect（char?temp）;
char?symbol_priority（char?s1char?s2）;
int?getLength（char?*num）;
void?judgeLength（char?*num）;
long?put_numbers（char?*exp?int?i）;
int?judgeInput（char?c）;
long?out_result（long?x?long?y?char?symbol）;
long?atol（char?*s）;
void?final_result（Stack_numb