xueji/step4

#include<stdio.h>
#include<string.h>
#define size 4
int main()
{
	//前面需要输入学生信息的函数，此处我就瞎定义几个为了方便测试
	//int sum();
	void sequence();
	int count();
	struct Student
	{
		int class;//[size];
		int number, score;
		int ans;
		int score1, score2, all_score;//三门成绩分别为score，score1，score2，all_score为了求和
	}Student[size + 1], temp;
	Student[0].class = 11;
	Student[1].class = 11;
	Student[2].class = 12;
	Student[0].number = 10001;
	Student[1].number = 10002;
	Student[2].number = 10004;
	Student[0].score = 90; Student[0].score1 = 90; Student[0].score2 = 90;
	Student[1].score = 83; Student[1].score1 = 84; Student[1].score2 = 85;
	Student[2].score = 83; Student[2].score1 = 70; Student[2].score2 = 90;
	int size1;
	size1 = count(Student[size-1].number);

	//输入的部分替换为输入函数
	/*scanf("%d%d%d%d", &class[0], &class[1], &class[2], &class[3]);
	scanf("%d%d%d%d", &number[0], &number[1], &number[2], &number[3]);
	scanf("%d%d", &all_score[0], &all_score[1]);*/
	printf("please enter the information:");
	//上面是我写的输入，下面是插入函数的部分
	scanf_s("%d", &Student[size - 1].class);
	scanf_s("%d", &Student[size - 1].number);
	int c = Student[size - 1].number;//记住学生学号
	//scanf_s("%d", &Student[size-1].class);
	scanf_s("%d%d%d", &Student[size - 1].score, &Student[size - 1].score1, &Student[size - 1].score2); //&Student[size - 1].all_score);//输入学生信息
	/*for (int count1 = 0; count1 < size; count1++)
	{
		printf("%d %d %d %d %d", Student[count1].class, Student[count1].number, Student[count1].score, Student[count1].score1, Student[count1].score2);
		if (c == Student[count1].number)//显示插入的学生
		{
			printf("  inserted");
		}
		printf("\n");
	}*/
	//根据班级排序
	int count2 = 0, count3 = 0;
	for (count2 = 0; count2 < size; count2++)
	{
		for (count3 = count2 + 1; count3 < size; count3++)
		{
			if (Student[count2].class > Student[count3].class )
			{
				temp = Student[count2];
				Student[count2] = Student[count3];
				Student[count3] = temp;
			}
		}
	}

	for (int count4 = 0; count4 < size; count4++)
	{
		Student[count4].all_score = Student[count4].score+Student[count4].score1 + Student[count4].score2;
	}
	//同班根据成绩排序
	count2=0, count3=0;
	for (count2 = 0; count2 < size; count2++)
	{
		for (count3 = count2 + 1; count3 < size; count3++)
		{
			if (Student[count2].class == Student[count3].class && Student[count2].all_score < Student[count3].all_score)
			{
				temp = Student[count2];
				Student[count2] = Student[count3];
				Student[count3] = temp;
			}
		}
	}

	for (int count1 = 0; count1 < size; count1++)
	{
		printf("%d  %d  %d  %d  %d", Student[count1].class, Student[count1].number, Student[count1].score, Student[count1].score1, Student[count1].score2);
		if (c == Student[count1].number)//显示插入的学生
		{
			printf("   inserted");
		}
		printf("\n");
	}
	return 0;
}
//排序函数
void sequence(int arr[size])
{
	int temp;
	for (int count1 = 1; count1 <= size; count1++)
	{
		for (int count2 = 1; count2 <= size - count1; count2++)
		{
			if (arr[count2 - 1] > arr[count2])
			{
				temp = arr[count2];
				arr[count2] = arr[count2 + 1];
				arr[count2 + 1] = temp;
			}
		}
	}
}

//求和函数
int sum(int x, int y, int z)
{
	int ans;
	ans = x + y + z;
	return ans;
}


//为了定义数组的长度，所以写了一个检测的函数,即把size改为size1+1
//size1是数组真实的长度
//size是我为了方便定义的全局变量
int count(int arr[])
{
	int len;
	len = sizeof(arr) / sizeof(arr[0]);
	return len;
}

/*
//交换函数
void change(int number1,int number2,int real_change1,int real_change2)
{
	int temp;
	if (number1 > number2)
	{
		temp = real_change1;
		real_change1 = real_change2;
		real_change2 = temp;
	}
}
*/