在此給出三元組的C語言實現方法,.h文件與.c文件沒有分開,寫在了一個文件中,可以粘貼放在clockblocks中運行,或者Liunx平臺。
#include <stdio.h>
#include <malloc.h>
#define OK 1
#define ERROR 0
typedef int Status;
typedef int ElemType;
typedef ElemType *Triplet;
Status InitTriplet(Triplet &T,ElemType v1,ElemType v2,ElemType v3);
Status DestroyTriplet(Triplet &T);
Status get(Triplet T,int i,ElemType &e);
Status put(Triplet &T,int i,ElemType e);
Status IsAscending(Triplet T);
Status IsDescending(Triplet T);
Status Max(Triplet T,ElemType &e);
Status Min(Triplet T,ElemType &e);
void PrintE(ElemType e);
void PrintT(Triplet T);
int main()
{
Triplet T;
int e;
Status flag;
flag = InitTriplet(T,90,95,100);
if(flag)
{
printf("初始化成功!\nT中元素是:");
PrintT(T);
}
else
{
printf("初始化失敗!");
}
flag = get(T,1,e);
if(flag)
{
printf("第1個元素的值爲:%d\n",e);
}
flag = put(T,2,96);
if(flag)
{
printf("將T中第2個元素改爲96,重新輸出T爲:");
PrintT(T);
}
flag = IsAscending(T);
if(flag)
printf("T中元素是升序!\n");
else if(flag = IsDescending(T))
printf("T中元素是降序!\n");
else
printf("T中元素無序!\n");
flag = Max(T,e);
if(flag)
{
printf("T中最大元素是:");
PrintE(e);
}
flag = Min(T,e);
if(flag)
{
printf("T中最小元素是:");
PrintE(e);
}
DestroyTriplet(T);
printf("銷燬T後,T = %u\n",T);
printf("\n");
return 0;
}
Status InitTriplet(Triplet &T,ElemType v1,ElemType v2,ElemType v3)
{
T = (ElemType*)malloc(3*sizeof(ElemType));
if(!T)
exit(-1);
T[0] = v1,T[1] = v2,T[2] = v3;
return OK;
}
Status DestroyTriplet(Triplet &T)
{
free(T);
T = NULL;
return OK;
}
Status get(Triplet T,int i,ElemType &e)
{
e = T[i-1];
return OK;
}
Status put(Triplet &T,int i,ElemType e)
{
T[i-1] = e;
return OK;
}
Status IsAscending(Triplet T)
{
return(T[0] <= T[1])&&(T[1] <= T[2]);
}
Status IsDescending(Triplet T)
{
return(T[0] >= T[1])&&(T[1] >= T[2]);
}
Status Max(Triplet T,ElemType &e)
{
e = (T[0] >= T[1])?(T[0] >= T[2]?T[0]:T[2]):(T[1] >= T[2]?T[1]:T[2]);
return OK;
}
Status Min(Triplet T,ElemType &e)
{
e = (T[0] <= T[1])?(T[0] <= T[2]?T[0]:T[2]):(T[1] <= T[2]?T[1]:T[2]);
return OK;
}
void PrintE(ElemType e)
{
printf("%d\n",e);
}
void PrintT(Triplet T)
{
printf("%d,%d,%d\n",T[0],T[1],T[2]);
}