求完整版答案，不要有错误。急急

Question

C语言课设大一，能在VS环境中运行，写一份算法流程图和功能模块图，每行代码后尽量多加些注释，通俗易懂，主要使用结构体 数组 文件读写 排序算法，不要使用太复杂的知识点

要求看图

 

Answer 1

完整代码及原始数据文件如下，如有帮助，请采纳一下，谢谢。

原始数据文件(a.txt)：

学号  姓名     英语     C语言     高等数学  大学物理   体育
1     张三      77        89        78        78        80
2     李四      88        44        85        33        55
3     杨潇      68        67        85        68        91
4     韦一笑    78        67        85        68        95
5     周芷若    88        100       85        90        93
6     包不同    66        56        45        68        89
7     段誉      76        67        85        68        70
8     王语嫣    56        67        85        68        77
9     杨过      82        56        85        68        99
10    小龙女    81        67        85        68        92
11    虚竹      87        100       85        90        88

代码：

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
//定义学生的最大数量
#define MAXNMB 50
//定义课程数量
#define NMBKC 5
struct Student
{
	int number;      //学号
	char name[20];   //姓名
	int score[NMBKC];//保存课程成绩
	float avg;       //平均分
	int mc;          //名次
};
//显示信息
void Display(struct Student stu[],int nmb,char kecheng[][20])
{
	int i;
	char* xh ="学号";
	char* xm ="姓名";
	printf("%-6s%-8s",xh,xm);
	for(i=0;i<NMBKC;i++)
		printf("%-10s",kecheng[i]);
	printf("\n");
	for (i = 0;i< nmb;i++)
	{
		printf("%-6d%-10s%-10d%-10d%-10d%-10d%-10d\n",stu[i].number,stu[i].name,stu[i].score[0],stu[i].score[1],stu[i].score[2],stu[i].score[3],stu[i].score[4]);
	}
}
//解析数据
int ParserStr(char* buf,char out[NMBKC][20])
{
	int i = 0;
	int j = 0,m = 0;;
	char prech = 'a';
	//去掉开头的空格
	while(buf[i] == ' ')
		i++;
	while(buf[i] != '\0')
	{
		if (buf[i] == '\n' && prech != ' ')
		{
			out[j][m] = '\0';
			//printf("%d  %s\n",j,out[j]);
			prech = ' ';
			m = 0;
			j++;
			i++;
		}else if(buf[i] == ' ' && prech != ' ')
		{
			out[j][m] = '\0';
			//printf("%d  %s\n",j,out[j]);
			prech = ' ';
			m = 0;
			j++;
			i++;
		}else if (buf[i] == ' ' && prech == ' ')
		{
			i++;
		}else
		{
			out[j][m] = buf[i];
			prech = buf[i];
			m++;
			i++;
		}
	}
	if (j== NMBKC+2)
	{
		return 1;
	}else
		return 0;
}

//读取文件
void ReadFile(struct Student stu[],int *nmb,char kecheng[][20])
{
	int i = 0,j = 0;
	char buf[100] = {0};
	char tmp[NMBKC+2][20] = {0};
	int t;
	FILE* fp;
	errno_t err;
	if ((err = fopen_s(&fp,"a.txt","r")) != 0)
	{
		printf("文件读取失败\n");
		return ;
	}
	//读取文件
	//第一行数据
	fgets(buf,100,fp);
	//解析数据
	ParserStr(buf,tmp); //解析出课程名称
	for (j =0;j < NMBKC;j++)
	{
		strcpy_s(kecheng[j],20,tmp[j+2]);
	}
	while(!feof(fp))
	{
		memset(buf,0,100);
		fgets(buf,100,fp); //读取一行
		//避免最后一行直接结束
		if(buf[strlen(buf)-1] != '\n')
			buf[strlen(buf)] = ' ';
		memset(tmp,0,sizeof(tmp));
		if(ParserStr(buf,tmp))
		{
			stu[i].number = atoi(tmp[0]);
			strcpy_s(stu[i].name,20,tmp[1]);
			stu[i].avg = 0.0;
			for(t = 0;t < NMBKC;t++)
			{
				stu[i].score[t] = atoi(tmp[2+t]);
				stu[i].avg += stu[i].score[t];
			}
			stu[i].avg /= NMBKC;
			i++;
		}
	}
	fclose(fp);
	*nmb = i;
	//printf("总学生数:%d\n",i);
}

//按平均分排名
void SortByavg(struct Student stu[],int nmb,char kecheng[][20])
{
	int i,j;
	errno_t err;
	struct Student tmp;
	char* xh ="学号";
	char* xm ="姓名";
	char* pjf ="平均分";
	char* pm="排名";
	FILE* fp;
	printf("%-6s%-8s",xh,xm);
	for(i=0;i<NMBKC;i++)
		printf("%-10s",kecheng[i]);
	printf("%-10s%-10s\n",pjf,pm);
	for (i = 0;i< nmb-1;i++)
	{
		for (j = 0;j<nmb-1-i;j++)
		{
			if(stu[j].avg < stu[j+1].avg)
			{
				tmp = stu[j];
				stu[j] = stu[j+1];
				stu[j+1] = tmp;
			}
		}
	}
	//屏幕显示
	j = 1;
	for (i = 0;i<nmb;i++)
	{
		if (i == 0)
		{
			stu[i].mc = 1;
			printf("%-6d%-10s%-10d%-10d%-10d%-10d%-10d%.2f%5d\n",stu[i].number,stu[i].name,stu[i].score[0],stu[i].score[1],stu[i].score[2],stu[i].score[3],stu[i].score[4],stu[i].avg,j);
		}else
		{
			if(stu[i].avg != stu[i-1].avg)
				j++;
			stu[i].mc = j;
			printf("%-6d%-10s%-10d%-10d%-10d%-10d%-10d%.2f%5d\n",stu[i].number,stu[i].name,stu[i].score[0],stu[i].score[1],stu[i].score[2],stu[i].score[3],stu[i].score[4],stu[i].avg,j);
		}
	}
	//写文件
	if ((err = fopen_s(&fp,"file2.txt","w")) != 0)
	{
		printf("文件打开失败\n");
		return;
	}
	//屏幕显示
	fprintf(fp,"%-6s%-8s",xh,xm);
	for(i=0;i<NMBKC;i++)
		fprintf(fp,"%-10s",kecheng[i]);
	fprintf(fp,"%-10s%-10s\n",pjf,pm);
	j = 1;
	for (i = 0;i<nmb;i++)
	{
		if (i == 0)
		{
			fprintf(fp,"%-6d%-10s%-10d%-10d%-10d%-10d%-10d%.2f%5d\n",stu[i].number,stu[i].name,stu[i].score[0],stu[i].score[1],stu[i].score[2],stu[i].score[3],stu[i].score[4],stu[i].avg,j);
		}else
		{
			if(stu[i].avg != stu[i-1].avg)
				j++;
			fprintf(fp,"%-6d%-10s%-10d%-10d%-10d%-10d%-10d%.2f%5d\n",stu[i].number,stu[i].name,stu[i].score[0],stu[i].score[1],stu[i].score[2],stu[i].score[3],stu[i].score[4],stu[i].avg,j);
		}
	}
	fclose(fp);
}
//按学号排名
void SortByxh(struct Student stu[],int nmb,char kecheng[][20])
{
	int i,j;
	struct Student tmp;
	errno_t err;
	char* xh ="学号";
	char* xm ="姓名";
	char* pjf ="平均分";
	char* pm="排名";
	FILE* fp;

	//写文件
	printf("%-6s%-8s",xh,xm);
	for(i=0;i<NMBKC;i++)
		printf("%-10s",kecheng[i]);
	printf("%-10s%-10s\n",pjf,pm);
	for (i = 0;i< nmb-1;i++)
	{
		for (j = 0;j<nmb-1-i;j++)
		{
			if(stu[j].number > stu[j+1].number)
			{
				tmp = stu[j];
				stu[j] = stu[j+1];
				stu[j+1] = tmp;
			}
		}
	}
	//屏幕显示
	for (i = 0;i<nmb;i++)
	{
		printf("%-6d%-10s%-10d%-10d%-10d%-10d%-10d%.2f%5d\n",stu[i].number,stu[i].name,stu[i].score[0],stu[i].score[1],stu[i].score[2],stu[i].score[3],stu[i].score[4],stu[i].avg,stu[i].mc);
	}
	//写文件
	if ((err = fopen_s(&fp,"file1.txt","w")) != 0)
	{
		printf("文件打开失败\n");
		return;
	}
	//写文件
	fprintf(fp,"%-6s%-8s",xh,xm);
	for(i=0;i<NMBKC;i++)
		fprintf(fp,"%-10s",kecheng[i]);
	fprintf(fp,"%-10s%-10s\n",pjf,pm);
	for (i = 0;i<nmb;i++)
	{
		fprintf(fp,"%-6d%-10s%-10d%-10d%-10d%-10d%-10d%.2f%5d\n",stu[i].number,stu[i].name,stu[i].score[0],stu[i].score[1],stu[i].score[2],stu[i].score[3],stu[i].score[4],stu[i].avg,stu[i].mc);
	}
	fclose(fp);
}
//统计每门课程的平均分
void TongjiKcpjf(struct Student stu[],int nmb,char kecheng[][20])
{
	int i,j;
	errno_t err;
	FILE* fp;
	float avg[NMBKC];  //保存每门课程的平均分
	int a[5][NMBKC];   //保存每个分数段的数量
	char* d0 = "分数段";
	char* ds[] = {"<60","60-69","70-79","80-89",">=90"};
	char* pjf = "平均分";
	//计算课程平均分
	for (i=0;i<NMBKC;i++)
	{
		avg[i] = 0.0;
		for (j = 0;j< nmb;j++)
			avg[i] += stu[j].score[i];
		avg[i] /= nmb;
	}
	//初始化数量
	for (i=0;i<5;i++)
	{
		for(j=0;j<NMBKC;j++)
			a[i][j] = 0;
	}
	//统计各分数段数量
	for (i=0;i<nmb;i++)
	{
		for(j=0;j<NMBKC;j++)
		{
			if(stu[i].score[j]< 60)
				a[0][j] += 1;
			else if(stu[i].score[j]>= 60 && stu[i].score[j]<= 69)
				a[1][j] +=1;
			else if(stu[i].score[j]>= 70 && stu[i].score[j]<= 79)
				a[2][j] +=1;
			else if(stu[i].score[j]>= 80 && stu[i].score[j]<= 89)
				a[3][j] +=1;
			else
				a[4][j] +=1;
		}
	}
	//打印
	printf("%-6s  ",d0);
	for(i=0;i<NMBKC;i++)
		printf("%-10s",kecheng[i]);
	printf("\n");
	for (i = 0;i< 5;i++)
	{
		printf("%-6s  ",ds[i]);
		for(j=0;j<NMBKC;j++)
			printf("%-10d",a[i][j]);
		printf("\n");
	}

	printf("%-6s  ",pjf);
	for (i=0;i<NMBKC;i++)
	{
		printf("%.2f     ",avg[i]);
	}
	printf("\n");
	//写文件
	if ((err = fopen_s(&fp,"file3.txt","w")) != 0)
	{
		printf("文件打开失败\n");
		return;
	}
	//写
	fprintf(fp,"%-6s  ",d0);
	for(i=0;i<NMBKC;i++)
		fprintf(fp,"%-10s",kecheng[i]);
	fprintf(fp,"\n");
	for (i = 0;i< 5;i++)
	{
		fprintf(fp,"%-6s  ",ds[i]);
		for(j=0;j<NMBKC;j++)
			fprintf(fp,"%-10d",a[i][j]);
		fprintf(fp,"\n");
	}

	fprintf(fp,"%-6s  ",pjf);
	for (i=0;i<NMBKC;i++)
	{
		fprintf(fp,"%.2f     ",avg[i]);
	}
	fprintf(fp,"\n");
	fclose(fp);

}
//打印成绩条
void DisplayCjt(struct Student stu[],int nmb,char kecheng[][20])
{
	int i,j;
	errno_t err;
	struct Student tmp;
	char* xh ="学号";
	char* xm ="姓名";
	char* pjf ="平均分";
	char* pm="排名";
	FILE* fp;

	for (i = 0;i< nmb-1;i++)
	{
		for (j = 0;j<nmb-1-i;j++)
		{
			if(stu[j].number > stu[j+1].number)
			{
				tmp = stu[j];
				stu[j] = stu[j+1];
				stu[j+1] = tmp;
			}
		}
	}
	//屏幕显示
	for (i = 0;i<nmb;i++)
	{
		printf("%-6d%-10s%-10d%-10d%-10d%-10d%-10d%.2f%5d\n",stu[i].number,stu[i].name,stu[i].score[0],stu[i].score[1],stu[i].score[2],stu[i].score[3],stu[i].score[4],stu[i].avg,stu[i].mc);
	}
	//写文件
	if ((err = fopen_s(&fp,"file4.txt","w")) != 0)
	{
		printf("文件打开失败\n");
		return;
	}
	//写文件
	fprintf(fp,"%-6s%-8s",xh,xm);
	for(i=0;i<NMBKC;i++)
		fprintf(fp,"%-10s",kecheng[i]);
	fprintf(fp,"%-10s%-10s\n",pjf,pm);
	for (i = 0;i<nmb;i++)
	{
		fprintf(fp,"%-6d%-10s%-10d%-10d%-10d%-10d%-10d%.2f%5d\n",stu[i].number,stu[i].name,stu[i].score[0],stu[i].score[1],stu[i].score[2],stu[i].score[3],stu[i].score[4],stu[i].avg,stu[i].mc);
	}
	fclose(fp);
}

//打印所有不及格信息
void DisplayBjg(struct Student stu[],int nmb,char kecheng[][20])
{
	int i,j;
	FILE* fp;
	errno_t err;
	int bw = 0;
	char buf[100]={0};
	char tmp[10];
	if((err = fopen_s(&fp,"file5.txt","w")) != 0)
	{
		printf("文件打开失败\n");
		return ;
	}
	for (i = 0;i< nmb;i++)
	{
		bw = 0;
		memset(buf,0,100);
		for (j = 0;j< NMBKC;j++)
		{
			if(stu[i].score[j]< 60)
			{
				memset(tmp,0,10);
				strcat_s(buf,100,kecheng[j]);
				strcat_s(buf,100,"(");
				_itoa_s(stu[i].score[j],tmp,10,10);
				strcat_s(buf,100,tmp);
				strcat_s(buf,100,")  ");
				bw = 1;
			}
		}
		if(bw)
		{
			printf("%d  %s  %s\n",stu[i].number,stu[i].name,buf);
			fprintf(fp,"%d  %s  %s\n",stu[i].number,stu[i].name,buf);
		}
	}
	fclose(fp);
}
//判断是否是优等生
int isYds(struct Student st)
{
	int i;
	int tt = 0;
	int flag1 = 0,flag2 = 0,flag3 = 1;
	if (st.avg > 90)
	{
		flag1 = 1;
	}
	for (i=0;i<NMBKC;i++)
	{
		if(st.score[i] == 100 && st.avg > 85)
			flag1 = 1;
		if(st.score[i] > 95)
			tt++;
		if(st.score[i]< 60)
			flag3 = 0;
	}
	if(tt>=2 && st.avg > 85)
		flag1 = 1;
	if(st.mc <=3 )
		flag2 = 1;
	if (flag1 && flag2 && flag3)
	{
		return 1;
	}
	return 0;
}
//打印优等生
void DisplayYds(struct Student stu[],int nmb,char kecheng[][20])
{
	int i;
	errno_t err;
	FILE* fp;
	char* xh ="学号";
	char* xm ="姓名";
	char* pjf ="平均分";
	char* pm="排名";
	if((err = fopen_s(&fp,"file6.txt","w")) != 0)
	{
		printf("文件打开失败\n");
		return ;
	}
	//终端输出
	printf("%-6s%-8s",xh,xm);
	for(i=0;i<NMBKC;i++)
		printf("%-10s",kecheng[i]);
	printf("%-10s%-10s\n",pjf,pm);

	//写文件
	fprintf(fp,"%-6s%-8s",xh,xm);
	for(i=0;i<NMBKC;i++)
		fprintf(fp,"%-10s",kecheng[i]);
	fprintf(fp,"%-10s%-10s\n",pjf,pm);
	for (i=0;i<nmb;i++)
	{
		if(isYds(stu[i]))
		{
			printf("%-6d%-10s%-10d%-10d%-10d%-10d%-10d%.2f%5d\n",stu[i].number,stu[i].name,stu[i].score[0],stu[i].score[1],stu[i].score[2],stu[i].score[3],stu[i].score[4],stu[i].avg,stu[i].mc);
			fprintf(fp,"%-6d%-10s%-10d%-10d%-10d%-10d%-10d%.2f%5d\n",stu[i].number,stu[i].name,stu[i].score[0],stu[i].score[1],stu[i].score[2],stu[i].score[3],stu[i].score[4],stu[i].avg,stu[i].mc);
		}
	}
	fclose(fp);
}
int main()
{
	struct Student stu[MAXNMB];
	int nmb;  //实际学生人数，从文件中读取
	char kc[NMBKC][20] = {0};  //保存课程名称
	//1.从文件中读取数据
	printf("-------------------1.读入原始数据并显示---------------------\n");
	ReadFile(stu,&nmb,kc);
	Display(stu,nmb,kc);
	//2.排序
	printf("-------------------2.1根据平均分排序并显示------------------\n");
	SortByavg(stu,nmb,kc); //现根据平均分排序
	printf("-------------------2.2根据学号排序并显示--------------------\n");
	SortByxh(stu,nmb,kc);  //再根据学号排序，因为首选需要根据平均分排序才能得到名次
	//3.统计课程平均分
	printf("-------------------3.统计课程平均分并显示--------------------\n");
	TongjiKcpjf(stu,nmb,kc);
	//4.打印成绩条
	printf("-------------------4.打印成绩条------------------------------\n");
	DisplayCjt(stu,nmb,kc);
	//5.打印不及格成绩
	printf("-------------------5.打印不及格成绩---------------------------\n");
	DisplayBjg(stu,nmb,kc);
	//6.打印优等生
	printf("-------------------6.打印优等生-------------------------------\n");
	DisplayYds(stu,nmb,kc);
	getchar();
	getchar();
	return 0;
}