线性表

#include<stdio.h>#include<stdlib.h>#define  OK 1#define   ERROR  0#define    TRUE  1#define    FLASE  0#define    OVERFLOW  -2typedef    int  Status;typedef  int   *Triplet;Status  InitTrilplet(Triplet &T,int v1,int  v2,int v3)//构造一个三元数组T，依次置T的3个元素初值为v1,v2,v3{    T=(int *)malloc(3*sizeof(int));    if(!T)   exit(OVERFLOW);    T[0]=v1;T[1]=v2;T[2]=v3;    return OK;}Status Get(Triplet T,int i,int &e)//1<=i<=3,用e返回T的第i元的值{    if(i<1||i>3)   return ERROR;    e=T[i-1];    return OK;}Status Put(Triplet &T,int i,int e)//1<=i<=3,用e返回T的第i元的值{    if(i<1||i>3)      return  ERROR;    e=T[i-1];    return OK;}Status IsAscending(Triplet  T)//如果T的3个元素按升序排列，则返回1{    if(T[0]<T[1]&&T[1]<T[2])return OK;    elsereturn ERROR;}int main(){    Triplet   T;    int e;int v1,v2,v3;    v1=8;v2=4;v3=5;    InitTrilplet( T, v1, v2, v3);    printf("%d %d %d\n",T[0],T[1],T[2]);    Get( T, 1,e);    printf("%d\n",e);    int p=11;    Put(T,2,p);    Get( T, 2,e);    printf("%d\n",e);if(IsAscending( T))  printf("YES\n");else   printf("NO\n");return  OK;}