公司生产销售管理系统怎么做

[银行资产管理系统是啥东西作用是啥]银行资产负债管理 Bank Asset/Liability Management(BALM)：是指由于金融的资产为各种放款及，而负债主要为各种存款，费用收入、或人委托之资金。因此资产负债管理的目的，即在于...+阅读

#include#includestruct st { char name[20]; int english; int math; int chinese; int average; st *next; }; struct st *pend=NULL；//初始链表的尾指针 struct st *pendorder=NULL；//顺序链表的尾指针 struct st *pheadorder=NULL；//顺序链表的头指针 struct st *makeorder(struct st *phead)；//按分数从大到小排序生产链表 struct st *addtolist(struct st *add)；// 将平均分最大的添到另一个链表 struct st *createlist（)；//输入学生信息时生成的初始链表 struct st * deletestu(char *name,st *phead)；//删除一个学员的信息 struct st *addstu(st *name,st *phead)；//向顺序链表添加一个元素，插入的地方按平均成绩 void printinfo(st *phead)；//按平均成绩打印出每个学员的名字 int main() { int select; char deletename[20]; struct st *addstud=NULL; struct st *phead=NULL; phead=createlist（)；//输入时创建链表 pheadorder=makeorder(phead)；//将链表排序 printf(＂input operation:1----deletestudent,2-----addstudent,3----output all student\n＂); scanf(＂%d＂,&select); while(select>0)//选择操作1为删除2为添加3为打印，其他的输入会跳出循环 { switch(select) { case 1: printf(＂please input the of the student to be deleted:\n＂); scanf(＂%s＂,deletename); pheadorder=deletestu(deletename,pheadorder); printf(＂input operation:1----deletestudent,2-----addstudent,3----output all student\n＂); scanf(＂%d＂,&select); break; case 2: printf(＂please input the information of the student to be added:\n＂); addstud=new st; scanf(＂%s%d%d%d＂,addstud->name,&(addstud->english),&(addstud->math),&(addstud->chinese)); addstud->average=((addstud->english)+(addstud->math)+(addstud->chinese))/3; while((addstud->english)name,&(addstud->english),&(addstud->math),&(addstud->chinese)); addstud->average=((addstud->english)+(addstud->math)+(addstud->chinese))/3; } pheadorder=addstu(addstud,pheadorder); printf(＂input operation:1----deletestudent,2-----addstudent,3----output all student\n＂); scanf(＂%d＂,&select); break; case 3: printinfo(pheadorder); printf(＂input operation:1----deletestudent,2-----addstudent,3----output all student\n＂); scanf(＂%d＂,&select); break; default: goto laber; } } laber:system(＂pause＂); return 1; } struct st *createlist（)//输入时创建初始链表 { struct st *pfirst=NULL; struct st *plast=NULL; struct st *p=new st; printf(＂please input the information of the students:\n＂); scanf(＂%s%d%d%d＂,p->name,&(p->english),&(p->math),&(p->chinese)); p->average=((p->english)+(p->math)+(p->chinese))/3; while((p->english)>0) { if(pfirst==NULL) pfirst=plast=p; else plast->next=p; plast=p; printf(＂please input again:\n＂); p=new st; scanf(＂%s%d%d%d＂,p->name,&(p->english),&(p->math),&(p->chinese)); p->average=((p->english)+(p->math)+(p->chinese))/3; } plast->next=NULL; printf(＂list create successful\n＂); delete p; return pfirst; } struct st *deletestu(char *name,st *phead)//删除一个学员 { int flag=0; st *p=NULL; if(strcmp(phead->name,name)==0) { phead=phead->next; flag=1; } else for(p=phead;p;p=p->next) { if(strcmp(p->next->name,name)==0) { p->next=p->next->next; flag=1; break; } } if(!flag) printf(＂the student you delete is not in the list\n＂); else printf(＂delete successful\n＂); return phead; } struct st *addstu(st *name,st *phead)//按平均分增加一个学员 { name->next=NULL; struct st *p=NULL; if((name->average)>(phead->average)) { name->next=phead; phead=name; return phead; } else { for(p=phead;p->next;p=p->next) { if((name->average)>(p->next->average)) { name->next=p->next; p->next=name; return phead; } } } p=p->next; p->next=name; return phead; } void printinfo(st *phead)//打印信息 { st *p; for(p=phead;p;p=p->next) printf(＂%s\n＂,p->name); } struct st *addtolist(struct st *phead,struct st *add)//生成顺序链表时每回都添加一个平均成绩最高的学员信息 { add->next=NULL; if(phead==NULL) pendorder=phead=add; else pendorder->next=add; pendorder=add; return phead; } struct st *makeorder(struct st *phead)//将初始链表变成顺序链表 { if(phead!=NULL) { int max; struct st *p=NULL; struct st *index=NULL; while(phead) { max=0; for(p=phead;p;p=p->next) { if(p->average>max) { max=p->average; index=p; } } phead=deletestu(index->name,phead); pheadorder=addtolist(pheadorder,index); } return pheadorder; } else printf(＂there is no list members to be ordered\n＂); return pheadorder;