#include "mysyslib.h"

typedef struct Student
{
	char* id;
	char* clas;
	char* name;
	double score1;
	double score2;
	double score3;
	double score;
}student;

void ModifyInfo(Student stu_info[],int len)
{
	Student new_stu_info;
	scanf("%s%s%s%lf%lf%lf", new_stu_info.id, new_stu_info.clas, new_stu_info.name, new_stu_info.score1, new_stu_info.score2, new_stu_info.score3);
	for (int i = 0; i < len; i++) {
		if (strcmp(new_stu_info.id, stu_info[i].id) == 0) {
			stu_info[i] = new_stu_info;
		}
	}
	char* max, min;
	strcpy(max, stu_info[0].clas);
	strcpy(min, stu_info[0].clas);
	for (int i = 0; i < len; i++) {
		if (stu_info[i].clas > max) {
			strcpy(max, stu_info[i].clas);
		}
		if (stu_info[i].clas < min) {
			strcpy(min, stu_info[i].clas);
		}
	}
	int i = 0, flag = 0;
	while (strcmp(min, max) != 1) {
		while (i < len && strcmp(min, stu_info[i++].clas) == 0) {
			if (flag == 1) {
				if (strcmp(stu_info[i].id, new_stu_info.id) == 0) {
					printf("   %s %s %lf %lf %lf modified\n", stu_info[i].id, stu_info[i].name, stu_info[i].score1, stu_info[i].score2, stu_info[i].score3);
				}
				else
					printf("   %s %s %lf %lf %lf\n", stu_info[i].id, stu_info[i].name, stu_info[i].score1, stu_info[i].score2, stu_info[i].score3);
			}
			else {
				flag = 1;
				if (strcmp(stu_info[i].id, new_stu_info.id) == 0) {
					printf("%s %s %s %lf %lf %lf modified\n", stu_info[i].clas, stu_info[i].id, stu_info[i].name, stu_info[i].score1, stu_info[i].score2, stu_info[i].score3);
				}
				else
					printf("%s %s %s %lf %lf %lf modified\n", stu_info[i].clas, stu_info[i].id, stu_info[i].name, stu_info[i].score1, stu_info[i].score2, stu_info[i].score3);
			}
		}
		min = min + 1;
	}
}