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#include <stdio.h> #define OK 1 #define ERROR 0 #define TRUE 1 #define FAlSE 0
#define MAXSIZE 20 typedef int ElemType; typedef struct { ElemType data[MAXSIZE]; int length; }SqList; typedef int Status;
Status InitList(SqList *L) { L->length=0; return OK; }
Status ListEmpty(SqList L) { if(L.length==0) return TRUE; else return FALSE; }
Status ClearList(SqLIst *L) { L->length=0; return OK; }
Status GetElem(SqList L,int i,ElemType *e){ if(L.length==0||i<1||i>L.length) return ERROR; *e=L.data[i-1]; return OK; }
Status LocateList(SqList L,ElemType e) { int i; if(L.length==0) return ERROR; for(i=0;i<L.length;i++) { if(L.data[i]==e) break; } return i+1; }
Status ListInsert(SqList *L,int i,ElemType e) { int k; if(L->length == MAXSIZE) return ERROR; if(i < 1 ||i > L->length+1) return ERROR; if(i <= L.length){ for(k = L->length-1; k >= i-1; k--) L->data[k+1]=L->data[k]; } L->data[i-1]=e; L->length++; return OK; }
Status ListDelete(SqList *L, int i, ElemType *e){ int k; if(L->length == 0 || i < 1 || i > L->length) return ERROR; *e = L->data[i - 1]; for(k = i;k < L->length;k++) L->data[k-1] = L->data[k] L->length--; return OK; } Status ListTraverse(SqList L){ int i; for(i=0; i<L.length;i++){ visit(L.data[i]); } printf("\n"); return OK; } Status visit(ElemType c){ printf("%d",c); return OK; } void unionL(SqList *La,SqList Lb){ int La_len,Lb_len,i; Elemtype e; La_len = La->length; Lb_len = Lb.length; for(i=1; i <= Lb_len; i++){ GetElem(Lb, i, &e); if(!LocateElem(*La, e)) ListInsert(La,++La_len,e); } } int main() { SqList L; SqList Lb; ElemType e; Status i; int j,k; i=InitList(&L); printf("初始化L后:L.length=%d\n",L.length); for(j=1;j<=5;j++) i=LIstInsert(&L,1,j); printf("在L的表头依次插入1~5后:L.data="); ListTraverse(L); printf("L.length=%d \n",L.length); i=ListEmpty(L); printf("L是否空:i=%d(1:是 0:否)\n",i); i=ClearList(&L); printf("清空L后,L.length=%d \n",L.length); i=ListEmpty(L); printf("L是否为空:i=%d(1:是 0:否)\n",i); for(j=1;j<=10;j++) ListInsert(&L,j,j); printf("在L的表尾依次插入1~10后:L.data="); ListTraverse(L); printf("L.length=%d \n",L.length); ListInsert(&L,1,0); printf("在表头插入0后:L.data="); ListTraverse(L); printf("L.length=",L.length);
GetElem(L,5,&e); printf("第五个元素的值为:%d",e); for(j=3;j<=4;j++) { k=LocateElem(L,j); if(k) printf("第%d个元素的值为%d\n",k,j); else printf("没有值为%d的元素\n",j); } printf("依次输出表L的元素:"); ListTraverse(L); j=5; ListDelet(&L,j,&e); printf("删除第%d个元素值为:%d\n",j,e); printf("依次输出L的元素:"); ListTraverse(L); i=InitList(&Lb); for(j=6;j<=15;j++) i=ListInsert(&Lb,1,j); unionL(&L,Lb); printf("依次输出合并了Lb的L的元素:"); ListTraverse(L); return 0; }
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