#include?
#include?
#include?
int?N;??//定義全局變量，表示試題庫試題數(shù)量
typedef?struct
{
????char?a[100];
????int?result;
}Shiti;??//試題數(shù)據(jù)類型
typedef?struct
{
????int?*base*top;
????int?size;
}Num;?//數(shù)字棧
typedef?struct
{
????char?*base*top;
????int?size;
}Oper;??//運(yùn)算符棧

int?NumInitStack（Num?*S1）??//構(gòu)造數(shù)字棧
{
????S1->base=（int?*）malloc（100*sizeof（int））;
????if（!S1->base）
????{
????????printf（“申請內(nèi)存失敗!\n“）;
????????return?0;
????}
????S1->top=S1->base;
????S1->size=100;
????return?1;
}

int?OperInitStack（Oper?*S2）??//構(gòu)造運(yùn)算符棧
{
????S2->base=（char?*）malloc（100*sizeof（char））;
????if（!S2->base）
????{
????????printf（“申請內(nèi)存失敗!\n“）;
????????return?0;
????}
????S2->top=S2->base;
????S2->size=100;
????return?1;
}

int?NumGetTop（Num?*S1）??//得到數(shù)字棧棧頂元素
{
????int?e1;
????if（（*S1）.top==（*S1）.base）
????????return?0;
????e1=*（（*S1）.top-1）;
????????return?e1;
}

char?OperGetTop（Oper?*S2）??//得到運(yùn)算符棧棧頂元素
{
????char?e2;
????if（（*S2）.top==（*S2）.base）
????????return?0;
????e2=*（（*S2）.top-1）;
????????return?e2;
}

void?NumPush（Num?*S1int?e1）??//數(shù)字棧壓棧
{
????*（*S1）.top++=e1;
}

void?OperPush（Oper?*S2char?e2）??//運(yùn)算符棧壓棧
{
????*（*S2）.top++=e2;
}

int?NumPop（Num?*S1）??//數(shù)字棧彈棧
{
????int?e1;
????if（（*S1）.top==（*S1）.base）
????????return?0;
????e1=*--（*S1）.top;
????????return?e1;
}

char?OperPop（Oper?*S2）??//運(yùn)算符棧彈棧
{
????char?e2;
????if（（*S2）.top==（*S2）.base）
????????return?0;
????e2=*--（*S2）.top;
????????return?e2;
}

char?Precede（char?achar?b）??//判斷運(yùn)算符優(yōu)先級
{
????int?ij;
????char?Table[8][8]={{‘?‘‘+‘‘-‘‘*‘‘/‘‘（‘‘）‘‘=‘}
???????????????????{‘+‘‘>‘‘>‘‘<‘‘<‘‘<‘‘>‘‘>‘}
???????????????????{‘-‘‘>‘‘>‘‘<‘‘<‘‘<‘‘>‘‘>‘}
???????????????????{‘*‘‘>‘‘>‘‘>‘‘>‘‘<‘‘>‘‘>‘}
???????????????????{‘/‘‘>‘‘>‘‘>‘‘>‘‘<‘‘>‘‘>‘}
???????????????????{‘（‘‘<‘‘<‘‘<‘‘<‘‘<‘‘=‘‘?‘}
???????????????????{‘）‘‘>‘‘>‘‘>‘‘>‘‘?‘‘>‘‘>‘}
???????????????????{‘=‘‘<‘‘<‘‘<‘‘<‘‘<‘‘?‘‘=‘}};??//優(yōu)先級表格
????for（i=0;i<8;i++）
????????if（Table[0][i]==a）??//縱坐標(biāo)尋找
????????????break;
	????for（j=0;j<8;j++）??//橫坐標(biāo)尋找
	????????if（Table[j][0]==b）
????????????break;
????return?Table[j][i];
}

int?Operate（int?achar?thetaint?b）??//計算二元表達(dá)式的值
{
????int?c;
????if（theta==‘+‘）
????????c=a+b;
????else?if（theta==‘-‘）
????????c=a-b;
????else?if（theta==‘*‘）
????????c=a*b;
????else
????????c=a/b;
????return?c;
}

int?IsOper（char?ch）??//判斷字符ch是否為運(yùn)算符
{
????char?ptr[10]={‘+‘‘-‘‘*‘‘/‘‘（‘‘）‘‘=‘};
????int?i;
????for（i=0;i<7;i++）
????{
????????if（ch==ptr[i]）
????????????return?1;
????}
????return?0;
}

int?Result（char?a[]Num?*numOper?*oper）??//計算表達(dá)式的結(jié)果
{
????char?theta;
????int?bdk=0i=0j=0num2=0;
????NumInitStack（num）;??//構(gòu)造數(shù)字棧
????OperInitStack（oper）;??//構(gòu)造運(yùn)算符棧
????OperPush（oper‘=‘）;??//將“=“壓到棧底
????while（a[i]!=‘=‘||OperGetTop（oper）!=‘=‘）
????{
????????//對表達(dá)式a進(jìn)行計算
????????if（a[i]>=‘0‘&&a[i]<=‘9‘）
????????{
????????????//字符是數(shù)字
??????