Anh, chị ai giúp xem code của em lỗi chỗ nào mà khi chạy nó bị lỗi .exe have stopped work.
Code em đây ạ:
#include <stdio.h>
#include <conio.h>
#include <string.h>
#include <stdlib.h>
// Dinh nghia struct de luu thong tin sinh vien
typedef struct
{
char name[40];
char account[15];
char subject[15];
int score;
}STUDENT, *PSTUDENT;
//khai bao danh sach lien ket don
struct Node
{
STUDENT n;
Node *pNext;
};
struct SLL
{
Node *pHead;
Node *pTail;
};
//khoi tao danh sach lien ket don
void initSLL(SLL &list)
{
list.pHead = list.pTail = NULL;
}
//In danh sach ra man hinh
void output (STUDENT x)
{
printf("\n%s\t\t%s\t\t%s\t\t%d",x.name,x.account,x.subject,x.score);
}
void viewSLL (SLL list)
{
Node *pNode;
pNode=list.pHead;
while(pNode!=NULL)
{
output(pNode->n);
pNode=pNode->pNext;
}
}
//Tao 1 nut moi
Node *newNode(STUDENT k)
{
Node *pNode;
pNode = (Node*)malloc(1 * sizeof(Node));
//if (!pNode)
//{
// return NULL;
//}
pNode->n = k;
pNode->pNext = NULL;
return pNode;
}
//Chen 1 nut vao cuoi danh sach
void AddLast (SLL &list, Node *pNode)
{
//if(list.pHead==NULL)
// list.pHead=list.pTail=pNode;
//else
//{
list.pTail->pNext=pNode;
list.pTail=pNode;
//}
}
//Nhap
void input (STUDENT k)
{
printf("\nNhap ten sinh vien: "); fflush(stdin); gets(k.name);
printf("\nNhap account: "); fflush(stdin); gets(k.account);
printf("\nNhap mon hoc: "); fflush(stdin); gets(k.subject);
printf("\nNhap diem: "); scanf("%d",&k.score);
}
//Search
void Search (SLL list)
{
STUDENT m;
Node *pNode;
int dem=0;
char a[15];
printf("\nNhap account sv can tim: ");
fflush(stdin);
gets(a);
pNode=list.pHead;
while (pNode!=NULL)
{
if(strcmp(a,pNode->n.account)==0) dem++;
pNode=pNode->pNext;
}
if(dem!=0)
{
m=pNode->n;
printf("\nTim thay sv: ");
printf("\n%s\t%s\t%s\t%d",m.name,m.account,m.subject,m.score);
}
else
printf("\nKo tim thay.");
}
//Delete
void Delete (SLL &list)
{
Node *pNode, *qNode;
char a[15];
pNode=list.pHead;
qNode=NULL;
printf("\nNhap account can xoa: ");
fflush(stdin);
gets(a);
while (pNode!=NULL)
{
if(strcmp(a, pNode->n.account)==0) break;
else printf("\nKo co sv can xoa.");
qNode=pNode;
pNode=pNode->pNext;
}
if(qNode!=NULL)
{
if(pNode!=NULL)
{
qNode->pNext=pNode->pNext;
delete (pNode);
if(pNode==list.pTail)
list.pTail=qNode;
delete(pNode);
}
}
else
{
list.pHead=pNode->pNext;
delete(pNode);
if(list.pHead==NULL) list.pTail=NULL;
}
}
int main()
{
SLL list;
Node *pNode;
STUDENT k;
int a;
initSLL(list);
do
{
printf("*************************************************\n");
printf("*\t\tSTUDENT MANAGEMENT\t\t*\n");
printf("*************************************************\n");
printf("1.Insert student\n");
printf("2.Delete student\n");
printf("3.Search student base on account\n");
printf("4.Show student imformation\n");
printf("5.Save student imformation to STUDENT.LOG file\n");
printf("6.EXIT\n\n");
printf("Which option would you like?\n");
scanf("%d",&a);
switch(a)
{
case 1:
{
STUDENT chen;
printf("Nhap thong tin sinh vien can insert:\n");
input(chen);
Node *t = newNode(chen);
AddLast(list,t);
printf("Danh sach sau khi them: \n");
viewSLL(list);
break;
}
case 2:
{
Delete(list);
printf("Danh sach sau khi xoa: \n");
viewSLL(list);
break;
}
case 3:
{
Search(list);
break;
}
case 4:
{
printf("Danh sach sinh vien: \n");
viewSLL(list);
break;
}
default:printf("Nhap lai:\n");
}
} while(a!=6);
getch();
}
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