#include #include #define N 3 struct stu_info { char num[10]; int cls,flag; float maths,physics,english; }; struct stu_info stu[N+1]={{"10001",11,0,99.5,88.5,89.5}, {"10002",12,0,77.9,56.5,87.5}, {"10003",11,0,92.5,99.0,60.5}}; void sort(struct stu_info *stu,int n) { int i,j; struct stu_info tmp; for(i=0;icls>(stu+j+1)->cls)||((stu+j)->cls==(stu+j+1)->cls)&&((stu+j)->num>(stu+j+1)->num)) { tmp = *(stu+j); *(stu+j) = *(stu+j+1); *(stu+j+1) = tmp; } } } return; } int main() { scanf("%s",&stu[3].num); scanf("%d",&stu[3].cls); scanf("%f",&stu[3].maths); scanf("%f",&stu[3].physics); scanf("%f",&stu[3].english); stu[3].flag=1; int i; sort(stu,N+1); for(i=0;i