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134 lines
2.8 KiB
134 lines
2.8 KiB
1 year ago
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#include <stdio.h>
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#include <string.h>
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struct stud
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{
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int num;
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int clas;
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char name[10];
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float math;
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float phy;
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float eng;
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}t={};
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int main()
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{
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struct stud stu[10]={{10001,11,"Zhang",99.5,88.5,89.5},
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{10002,12,"Yang",77.9,56.5,87.5},
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{10003,11,"Liang",92.5,99.0,60.},
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{10004,11,"Cai",89.6,56.9,90.5},
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{10005,14,"Fu",55.6,67.9,98.9},
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{10006,12,"Mao",22.1,45.9,99.2},
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{10007,13,"Zhan",35.6,67.9,88.0}
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};
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struct stud *p=stu;
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void range(struct stud stu[]);
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range(p);
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void getclass(struct stud stu[]);
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void getnum(struct stud stu[]);
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void getname(struct stud stu[]);
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void getgrade(struct stud stu[]);
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void getclnum(struct stud stu[]);
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int way;
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scanf("%d",&way);
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switch(way)
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{
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case 1:getclass(p);break;
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case 2:getnum(p);break;
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case 3:getname(p);break;
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case 4:getgrade(p);break;
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case 5:getclnum(p);break;
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}
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return 0;
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}
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void range(struct stud stu[])
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{
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int i,j;
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for(i=0;stu[i].num!=0;i++)
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{
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if(stu[i+1].num!=0)
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{
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for(j=i+1;stu[j].num!=0;j++)
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{
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if(stu[i].clas>stu[j].clas)
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{
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t=stu[i];stu[i]=stu[j];stu[j]=t;
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}
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}
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}
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}
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for(i=0;stu[i].num!=0;i++)
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{
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if(stu[i+1].num!=0)
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{
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for(j=i+1;stu[j].num!=0&&stu[i].clas==stu[j].clas;j++)
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{
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if(stu[i].math+stu[i].phy+stu[i].eng<stu[j].math+stu[j].phy+stu[j].eng)
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{
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t=stu[i];stu[i]=stu[j];stu[j]=t;
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}
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}
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}
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}
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}
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void getclass(struct stud stu[])
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{
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int a,b,i;
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char c;
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scanf("%d %c %d",&a,&c,&b);
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for(i=0;stu[i].num!=0;i++)
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{
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if(a<=stu[i].clas&&stu[i].clas<=b)
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printf("%d %d %s %3.1f %3.1f %3.1f\n",stu[i].num,stu[i].clas,stu[i].name,stu[i].math,stu[i].phy,stu[i].eng);
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}
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}
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void getnum(struct stud stu[])
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{
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int a,b,i;
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char c;
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scanf("%d %c %d",&a,&c,&b);
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for(i=0;stu[i].num!=0;i++)
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{
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if(a<=stu[i].num&&stu[i].num<=b)
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printf("%d %d %s %3.1f %3.1f %3.1f\n",stu[i].num,stu[i].clas,stu[i].name,stu[i].math,stu[i].phy,stu[i].eng);
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}
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}
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void getname(struct stud stu[])
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{
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int i,j;
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char cn[10];
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scanf("%s",cn);
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int l=strlen(cn)-1;
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for(i=0;stu[i].num!=0;i++)
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{
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for(j=0;j<l;j++)
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{
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if(stu[i].name[j]!=cn[j])goto again;
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}
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printf("%d %d %s %3.1f %3.1f %3.1f\n",stu[i].num,stu[i].clas,stu[i].name,stu[i].math,stu[i].phy,stu[i].eng);
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again:;
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}
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}
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void getgrade(struct stud stu[])
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{
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int i;
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float a;
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scanf("%f",&a);
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for(i=0;stu[i].num!=0;i++)
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{
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if(stu[i].math+stu[i].phy+stu[i].eng>=a)
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printf("%d %d %s %3.1f %3.1f %3.1f\n",stu[i].num,stu[i].clas,stu[i].name,stu[i].math,stu[i].phy,stu[i].eng);
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}
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}
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void getclnum(struct stud stu[])
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{
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int a,b,c,i;
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char x,xx;
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scanf("%d %c %d %c %d",&a,&x,&b,&xx,&c);
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for(i=0;stu[i].num!=0;i++)
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{
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if(b<=stu[i].num&&stu[i].num<=c&&stu[i].clas==a)
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printf("%d %d %s %3.1f %3.1f %3.1f\n",stu[i].num,stu[i].clas,stu[i].name,stu[i].math,stu[i].phy,stu[i].eng);
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}
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}
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