#include<stdio.h>
#include<string.h>
struct student
{
        char num[10];
        float Math;
        float Physic;
        float English;
        float sum;
        float ave;
        int clas;
        int inserted;//sign whether the student is inserted
        char name[10];
        int mod;//sign whether the student is modified
};
void outputstudent4(struct student *t)// output num,class,name,and grade of all subject
{
        printf("%s %d %s %.1f %.1f %.1f\n",t->num,t->clas,t->name,t->Math,t->Physic,t->English);
}
void orderstudent2(struct student *t,int n)//order with class
{
        for(int i=0;i<n;i++)
        {
                for(int j=i;j<n;j++)
                {
                        if((t+i)->clas>(t+j)->clas)
                        {
                                struct student m;
                                m=*(t+i);
                                *(t+i)=*(t+j);
                                *(t+j)=m;
                        }
                }
        }
        for(int i=0;i<n;i++)
        {
                for(int j=i;j<n;j++)
                {
                        if((t+i)->clas==(t+j)->clas&&(t+i)->sum<(t+j)->sum)
                        {
                                struct student m;
                                m=*(t+i);
                                *(t+i)=*(t+j);
                                *(t+j)=m;
                        }
                }
        }
}
void findstudent(struct student *t)
{
        char c[30];
        fgets(c,sizeof(c),stdin);
        if(c[0]=='1')
        {
                int beginclass=0;
                int i=1;
                while(c[i]!='-')
                {
                        if(c[i]>='0'&&c[i]<='9')
                        {
                                beginclass*=10;
                                beginclass+=c[i]-'0';
                        }
                        i++;
                }
                int finalclass=0;
                int j=i+1;
                while(c[j]>='0'&&c[j]<='9')
                {
                        finalclass*=10;
                        finalclass+=c[j]-'0';
                        j++;
                }
                for(int i=0;i<7;i++)
                {
                        if((t+i)->clas>=beginclass&&(t+i)->clas<=finalclass)
                        outputstudent4((t+i));
                }
        }
if(c[0]=='2')
        {
                char beginnum[10]={'\0'};
                int i=1,x=0;
                while(c[i]!='-')
                {
                        if(c[i]>='0'&&c[i]<='9')
                        {
                                beginnum[x]=c[i];
                                x++;
                        }
                        i++;
                }
                char finalnum[10]={'\0'};
                int j=i+1,y=0;
                while(c[j]>='0'&&c[j]<='9')
                {
                        finalnum[y]=c[j];
                        y++;
                        j++;
                }
                for(int m=0;m<7;m++)
                {
                        if(strcmp((t+m)->num,beginnum)>=0&&strcmp((t+m)->num,finalnum)<=0)
                        outputstudent4((t+m));
                }
        }
        if(c[0]=='3')
        {
                char f[10]={'\0'};
                int i=1,x=0;
                while(c[i]!='*')
                {
                        if(c[i]!=' ')
                        {
                                f[x]=c[i];
                                x++;
                        }
                        i++;
                }
                for(int j=0;j<7;j++)
                {
                        if(strncmp((t+j)->name,f,x)==0)
                        outputstudent4((t+j));
                }
        }
if(c[0]=='4')
        {
                float s=0;
                int i=1;
                while(c[i]!='.')
                {
                        if(c[i]>='0'&&c[i]<='9')
                        {
                                s=s*10;
                                s+=c[i]-'0';
                        }
                        i++;
                }
                int j=i+1,n=10;
                while(c[j]>='0'&&c[j]<='9')
                {
                        s+=(1.0*(c[j]-'0'))/(1.0*n);
                        n=n*10;
                        j++;
                }
                for(int x=0;x<7;x++)
                {
                        if((t+x)->sum>=s)
                        outputstudent4((t+x));
                }
        }
        if(c[0]=='5')
        {
                int beginclass=0;
                int m=1;
                while(c[m]!='.')
                {
                        if(c[m]>='0'&&c[m]<='9')
                        {
                                beginclass*=10;
                                beginclass+=c[m]-'0';
                        }
                        m++;
                }
                char beginnum[10]={'\0'};
                int i=m+1,x=0;
                while(c[i]!='-')
                {
                        if(c[i]>='0'&&c[i]<='9')
                        {
                                beginnum[x]=c[i];
                                x++;
                        }
                        i++;
                }
                char finalnum[10]={'\0'};
                int j=i+1,y=0;
while(c[j]>='0'&&c[j]<='9')
                {
                        finalnum[y]=c[j];
                        y++;
                        j++;
                }
                for(int e=0;e<7;e++)
                {
                        if((t+e)->clas==beginclass&&(strcmp((t+e)->num,beginnum)>=0&&strcmp((t+e)->num,finalnum)<=0))
                        outputstudent4((t+e));
                }
        }
}
int main()
{
        struct student s[10];
        strcpy(s[0].num,"10001");
        strcpy(s[0].name,"Zhang");
        s[0].clas=11;
        s[0].Math=99.5;
        s[0].Physic=88.5;
        s[0].English=89.5;
        s[0].sum=s[0].Math+s[0].Physic+s[0].English;
        s[0].inserted=0;
        strcpy(s[1].num,"10002");
        strcpy(s[1].name,"Yang");
        s[1].clas=12;
        s[1].Math=77.9;
        s[1].Physic=56.5;
        s[1].English=87.5;
        s[1].sum=s[1].Math+s[1].Physic+s[1].English;
        s[1].inserted=0;
        strcpy(s[2].num,"10003");
        strcpy(s[2].name,"Liang");
        s[2].clas=11;
        s[2].Math=92.5;
        s[2].Physic=99.0;
        s[2].English=60.5;
        s[2].sum=s[2].Math+s[2].Physic+s[2].English;
        s[2].inserted=0;
        strcpy(s[3].num,"10004");
        strcpy(s[3].name,"Cai");
        s[3].clas=11;
        s[3].Math=89.6;
        s[3].Physic=56.9;
        s[3].English=90.5;
        s[3].sum=s[3].Math+s[3].Physic+s[3].English;
        s[3].inserted=0;
        strcpy(s[4].num,"10005");
        strcpy(s[4].name,"Fu");
        s[4].clas=14;
        s[4].Math=55.6;
        s[4].Physic=67.9;
        s[4].English=98.9;
        s[4].sum=s[4].Math+s[4].Physic+s[4].English;
        s[4].inserted=0;
        strcpy(s[5].num,"10006");
        strcpy(s[5].name,"Mao");
s[5].clas=12;
        s[5].Math=22.1;
        s[5].Physic=45.9;
        s[5].English=99.2;
        s[5].sum=s[5].Math+s[5].Physic+s[5].English;
        s[5].inserted=0;
        strcpy(s[6].num,"10007");
        strcpy(s[6].name,"Zhan");
        s[6].clas=13;
        s[6].Math=35.6;
        s[6].Physic=67.9;
        s[6].English=88.0;
        s[6].sum=s[6].Math+s[6].Physic+s[6].English;
        s[6].inserted=0;
        orderstudent2(&s[0],7);
        findstudent(&s[0]);
        return 0;
}