#include?
#include?
#include??
using?namespace?std;?

//變量定義?
int?data_sum=0cmd;
int?mstmeddstded;

struct?airData{
????string?city_numcity_name;
????string?pul_namepul_rank;
????string?air_state;
????int?pul_numyearmonthday;
}data[30000];

string?City[100]CityN[100];
int?city_sum=0;

//程序?
void?CountWeek（int?week）{
????int?add[13]={0312831303130313130313031};
????mst=med=1;
????dst=1;ded=7;
????week--;
????while（week--）{
????????mst=med;
????????dst=ded;
????????ded+=6;
????????if（ded>add[med]）{
????????????ded-=add[med];
????????????med++;
????????}
????}?
}

void?Print（int?p）{
????cout<????cout<????cout<<“首要污染物?[“<????cout<<“污染物級別?[“<}

void?ReadData（）{//從“data.txt“讀入原始數(shù)據(jù)?
????int?imark;
????
????ifstream?fin;
????fin.open（“data.txt“）;
????
????cout<<“數(shù)據(jù)讀入中請稍候……“<????
????while（!?fin.eof（））{
????????fin>>data[data_sum].city_num>>data[data_sum].city_name;
????????fin>>data[data_sum].pul_name>>data[data_sum].pul_num;
????????fin>>data[data_sum].pul_rank>>data[data_sum].air_state;
????????fin>>data[data_sum].year>>data[data_sum].month>>data[data_sum].day;
????????
????????mark=0;
????????for（i=0;i????????????if（City[i]==data[data_sum].city_name）{
????????????????mark=1;
????????????????break;
????????????}
????????if（!mark）{
????????????City[city_sum]=data[data_sum].city_name;
????????????CityN[city_sum]=data[data_sum].city_num;
????????????city_sum++;???
????????}
????????
????????if（data[data_sum].year==data[data_sum-1].year?&&
???????????data[data_sum].month==data[data_sum-1].month?&&
???????????data[data_sum].day==data[data_sum-1].day）;
????????else
????????????data_sum++;
????}

????fin.close（）;
????
????cout<<“數(shù)據(jù)讀入完畢！“<}

void?PrintData（）{//數(shù)據(jù)輸出（讀入測試）?
????int?i;
????
????for（i=0;i<=data_sum;i++）{
????????cout<????????cout<????????cout<????????cout<????}
}

void?help（）{
????cout<<“操作代碼如下：“<????cout<<“1.普通查詢“<????cout<<“2.統(tǒng)計查詢“<????cout<<“3.排序查詢“<????cout<<“4.退出“<}

int?CheckCity（string?str）{
????int?i;
????for（i=0;i????????if（data[i].city_name==str?||?data[i].city_num==str）
????????????return?i;
????
????return?-1;
}

void?Search_Common（）{//普通查詢
????string?str;?
????int?ijwayddmmwwssfind;
????
????cout<????cout<????cin>>str;
????cout<