#include<iostream>
using namespace std;
#define OK 1
#define ERROR 0
#define MAXSIZE 100
typedef int Status;
typedef int InfoType;
typedef struct
{
char name[20];
char gender[20];
int score;
}KeyType;
typedef struct
{
KeyType key; //关键字域
InfoType oterinfo;
}ElemType;
typedef struct
{
ElemType *elem;
int length;
}SqList;
KeyType key;
Status InitList(SqList &S)
{
S.elem=new ElemType[MAXSIZE];
if(!S.elem) return ERROR;
S.length=0;
return OK;
}
Status CreateList(SqList &S)
{
int n;
cout<<"n=";
cin>>n;
if(n<=0||n>MAXSIZE) return ERROR;
for(int i=0;i<n;i++)
{
cout<<"姓 名 性 别 成 绩"<<endl;
cin>>S.elem[i].key.name>>S.elem[i].key.gender>>S.elem[i].key.score;
S.length++;
}
for(int j=0;j<S.length;j++)
cout<<"姓名:"<<S.elem[j].key.name<<" "<<"性别"<<S.elem[j].key.gender<<" "
<<"成绩:"<<S.elem[j].key.score<<endl;
return OK;
}
int Search_Seq(SqList S,KeyType key)
{
cout<<"输入关键字:";
cin>>key.name;
S.elem[0].key.name==key.name;
for(int k=S.length;S.elem[k].key.name!=key.name;--k)
return k;
}
int main()
{
SqList S;
InitList(S);
CreateList(S);
cout<<"总的人数:"<<S.length<<endl;
int j;
j=Search_Seq(S,key);
if(j=0)
cout<<"查找失败"<<endl;
else
{
cout<<j<<endl;
cout<<"性别:"<<S.elem[j].key.gender<<" "<<"成绩:"<<
S.elem[j].key.score<<endl;
}
return OK;
}
问题:
在主函数中,当j=0时,返回“查找失败”
顺序查找有问题,但不知出在哪,劳烦大神指点迷津