c语言成绩管理系统源代码+流程图

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1、#include#include#includevoidfrist_print(){printf("tt********************************");//欢迎信息printf("ttt欢迎进入学生成绩系统");printf("tttttttt此程序合作完成由");printf("tttttttt****");printf("tttttttt**

2、**");printf("tttttttt***");printf("tttttttt*王杨*");printf("tttttttt**");printf("tttttttt*李淼鑫*");printf("tttttttt**");printf("tttttttt**");printf("tttttttt*孙天顺*");printf("tttttt

3、tt**");printf("tttttttt**");printf("tttttttt**");printf("tttttttt**");printf("tttttttt**");printf("tttttttt*");}//*************************************************************************************

4、**********************************************************************************************voidmenu(){printf("tt***********************************");//管理菜单printf("tt==========1.录入学生成绩===========tt+");printf("tt==========2.显示学生成绩===

5、========tt+");printf("tt==========3.查询学生成绩===========tt+");printf("tt==========4.添加学生成绩===========tt+");printf("tt==========5.修改学生成绩===========tt+");printf("tt==========6.删除学生成绩===========tt+");printf("tt=========

6、=7.清空页面===========tt+");printf("tt==========8.退出系统===========");printf("tt***********************************");printf("pleasechoise1--8:t");putchar(10);}//********************************************************************************

7、***************************************************************************************************structMM//结构体定义变量{charnum[20];charname[10];floatsco,sco2,sco3,sco4;intmany;}mm;//*************************************************************************

8、**********************************************************************************************************voidscanf_1()//第一次输入信息并保存在文件中{charch;FILE*fp;if((fp=fopen("dd.dat","wb+"))==NULL){printf("cannotopenfile");exit(0);}do{pr