#include struct stud { int num; int clas; char name[10]; float math; float phy; float eng; char modf; }; int main() { struct stud stu[10]={{10001,11,"Zhang",99.5,88.5,89.5}, {10002,12,"Yang",77.9,56.5,87.5}, {10003,11,"Liang",92.5,99.0,60.5}, }; struct stud t={}; struct stud ch[1]; scanf("%d %d %s %f %f %f",&ch[0].num,&ch[0].clas,ch[0].name,&ch[0].math,&ch[0].phy,&ch[0].eng); struct stud*p=stu; struct stud*p1=ch; void change(struct stud stu[],struct stud ch[]); change(p,p1); int i,j; for(i=0;stu[i].num!=0;i++) { if(stu[i+1].num!=0) { for(j=i+1;stu[j].num!=0;j++) { if(stu[i].clas>stu[j].clas) { t=stu[i];stu[i]=stu[j];stu[j]=t; } } } } for(i=0;stu[i].num!=0;i++) { if(stu[i+1].num!=0) { for(j=i+1;stu[j].num!=0&&stu[i].clas==stu[j].clas;j++) { if(stu[i].math+stu[i].phy+stu[i].eng