#include<stdio.h>
struct Scoreb{
	int schoolnumber;
	int classnumber;
	char name[20];
	float math;
	float physics;
	float english;
	float sum;
};
int main(){int i,j,k,m;
	//初始化 
struct Scoreb student1={10001,11,"Zhang",99.5,88.5,89.5,277.5};
    struct Scoreb student2={10002,12,"Yang",77.9,56.5,87.5,221.9};
	struct Scoreb student3={10003,11,"Liang",92.5,99.0,60.5,252};	
	struct Scoreb students[3] = {student1,student2,student3};
	//修改信息 
	struct Scoreb schange;printf("依次输入学号班级姓名三科成绩：");
	scanf("%d%d%s%f%f%f",&schange.schoolnumber,&schange.classnumber,&schange.name,&schange.math,&schange.physics,&schange.english);int c=schange.schoolnumber;
	for(m=0;m<3;m++){
		if(schange.schoolnumber==students[m].schoolnumber){
			schange.sum = schange.math+schange.physics+schange.english;
			students[m]=schange;
		}	
	}
	//排序	
	for(j = 0 ; j < 3 ; j++)
		for(k = 2; k > j;k--){
			if(students[k].classnumber <students[k-1].classnumber){
				struct Scoreb temp1 = students[k-1];
				students[k-1] = students[k];
				students[k] = temp1;
			//按照班级号排名 
			}else if(students[k].classnumber == students[k-1].classnumber){
				if(students[k].sum>students[k-1].sum){
				struct Scoreb temp2 = students[k-1];
				students[k-1] = students[k];
				students[k] = temp2;
				}//由高到低 
			//内嵌一个比较 
			//按照总成绩排名 
			}
		}
	//输出 
	for(i = 0; i < 2 ; i++){
		printf("%d %d %s %.1f %.1f %.1f\n",students[i].classnumber,students[i].schoolnumber,students[i].name,students[i].math,students[i].physics,students[i].english);
		if(c==students[i].schoolnumber)printf("modified");if(students[0].classnumber==students[1].classnumber)
		{
		printf("   %d %s %.1f %.1f %.1f\n",students[1].schoolnumber,students[1].name,students[1].math,students[1].physics,students[1].english);break;}
	}
	printf("%d %d %s %.1f %.1f %.1f",students[2].classnumber,students[2].schoolnumber,students[2].name,students[2].math,students[2].physics,students[2].english);
	if(c==students[2].schoolnumber)printf(" modified");
	return 0; 

}