//SeqList.h #ifndef __SEQLIST_H__ #define __SEQLIST_H__ #include<string.h> #include<assert.h> #include<stdlib.h> typedef int DataType; typedef struct SeqList { DataType* array; size_t size; DataType capacity; //容量 }SeqList,*pSeqList; void InitSeqList(pSeqList pSeq); void PushBack(pSeqList pSeq,DataType x); void PrintSeqList(pSeqList pSeq); void PopBack(pSeqList pSeq); void PushFront(pSeqList pSeq, DataType x); void PopFront(pSeqList pSeq); void Insert(pSeqList pSeq, int pos, DataType x); void Remove(pSeqList pSeq, DataType x); void RemoveAll(pSeqList pSeq, DataType x); int Find(pSeqList pSeq,DataType x); void Erase(pSeqList pSeq,DataType pos); void ReverseList(pSeqList pSeq); void SortList(pSeqList pSeq); void SelectSortList(pSeqList pSeq); int BinarySearch(pSeqList Seq, DataType x); void CheckCapacity(pSeqList pSeq) //检查容量 { if(pSeq->size >= pSeq->capacity) { pSeq->capacity = pSeq->capacity*2+3; pSeq->array = (DataType*)realloc(pSeq->array,pSeq->capacity*sizeof(DataType)); // DataType *tmp = (DataType *)malloc(sizeof(DataType)*pSeq->capacity*2); // memcpy(tmp,pSeq->array,sizeof(DataType)*pSeq->size); // free(pSeq->array); // pSeq->array = tmp; } } void InitSeqList(pSeqList pSeq) //初始化顺序表 { assert(pSeq); // pSeq->array = (DataType*)malloc(sizeof(DataType)*3); // pSeq->size = 0; // pSeq->capacity = 3; pSeq->array = NULL; pSeq->size = 0; pSeq->capacity = 0; } void PushBack(pSeqList pSeq,DataType x) //尾插 { assert(pSeq); CheckCapacity(pSeq); pSeq->array[pSeq->size++] = x; } void PopBack(pSeqList pSeq) //尾删 { assert(pSeq); if(pSeq->size <= 0) { printf("SeqList is empty"); return; } pSeq->array[pSeq->size-1] = NULL; pSeq->size--; } void PushFront(pSeqList pSeq, DataType x) //头插 { int i = 0; assert(pSeq); CheckCapacity(pSeq); for(i = pSeq->size-1; i >= 0; i--) { pSeq->array[i+1] = pSeq->array[i]; } pSeq->array[0] = x; pSeq->size++; } void PopFront(pSeqList pSeq) //头删 { int i = 0; assert(pSeq); if(pSeq->size <= 0) { printf("SeqList is empty"); return; } for(i = 1; i < pSeq->size; i++) { pSeq->array[i-1] = pSeq->array[i]; } pSeq->size--; } void Destroy(pSeqList pSeq) //销毁 { assert(pSeq); pSeq->array = NULL; pSeq->size = 0; pSeq->capacity = 0; } void PrintSeqList(pSeqList pSeq) //打印 { int i = 0; assert(pSeq); for(i = 0; i < pSeq->size;i++) { printf("%d ",pSeq->array[i]); } } void Insert(pSeqList pSeq, int pos, DataType x) //在某个位置处插入 { int i = 0; assert(pSeq); CheckCapacity(pSeq); for(i = pSeq->size-1; i >= pos; i--) { pSeq->array[i+1] = pSeq->array[i]; } pSeq->array[pos] = x; pSeq->size++; } int Find(pSeqList pSeq,DataType x) //查找 { int i = 0; assert(pSeq); if(pSeq->size <= 0) { printf("SeqList is empty"); return -1; } for(i = 0; i < pSeq->size; i++) { if(pSeq->array[i] == x) { return i; } } return -1; } void Erase(pSeqList pSeq,DataType pos) //按位置删除 { int i = 0; assert(pSeq); if(pSeq->size <= 0) { printf("SeqList is empty"); return; } for(i = pos+1; i < pSeq->size; i++) { pSeq->array[i-1] = pSeq->array[i]; } pSeq->size--; } void Remove(pSeqList pSeq, DataType x) //删除 { int pos = Find(pSeq,x); assert(pSeq); if(pos != -1) { Erase(pSeq,pos); } else { printf("not exist"); } } void RemoveAll(pSeqList pSeq, DataType x) //删除所有的x { int count = 0; int i = 0; assert(pSeq); if(pSeq->size <= 0) { printf("SeqList is empty"); return; } for(i = 0; i < pSeq->size; i++) { if(pSeq->array[i] == x) { count++; } else { pSeq->array[i-count] = pSeq->array[i]; } } pSeq->size-=count; } void ReverseList(pSeqList pSeq) // 逆置 { int left = 0; int right = pSeq->size-1; assert(pSeq); while(left < right) { int tmp = pSeq->array[left]; pSeq->array[left] = pSeq->array[right]; pSeq->array[right] = tmp; left++; right--; } } void SortList(pSeqList pSeq) //冒泡排序 { int i = 0, j = 0; assert(pSeq); for(i = 0; i < pSeq->size-1; i++) { int exchange = 0; for(j = 0; j < pSeq->size-i-1; j++) { if(pSeq->array[j] > pSeq->array[j+1]) { int tmp = pSeq->array[j]; pSeq->array[j] = pSeq->array[j+1]; pSeq->array[j+1] = tmp; exchange = 1; } } if(exchange == 0) { return; } } } void SelectSortList(pSeqList pSeq) //选择排序 { int i = 0, j = 0; int min = 0; int tmp; assert(pSeq); for(i = 0; i < pSeq->size-1; i++) { min = i; for(j = i+1; j < pSeq->size; j++) { if(pSeq->array[min] > pSeq->array[j]) { min = j; } tmp = pSeq->array[min]; pSeq->array[min] = pSeq->array[i]; pSeq->array[i] = tmp; } } } int BinarySearch(pSeqList pSeq, DataType x) //二分查找 { int left = 0; int right = pSeq->size-1; assert(pSeq); while(left <= right) { int mid = left - (left - right)/2; if(pSeq->array[mid] > x) { right = mid-1; } else if(pSeq->array[mid] < x) { left = mid+1; } else { return mid; } } return -1; } #endif // __SEQLIST_H__ //SeqList.c #include<stdio.h> #include"SeqList.h" void Test1() { SeqList seq; InitSeqList(&seq); PushBack(&seq,1); PushBack(&seq,2); PushBack(&seq,3); PushBack(&seq,4); PopBack(&seq); PrintSeqList(&seq); Destroy(&seq); } void Test2() { SeqList seq; int ret; InitSeqList(&seq); PushBack(&seq,1); PushBack(&seq,2); PushBack(&seq,3); PushBack(&seq,4); PushFront(&seq,0); PopFront(&seq); Insert(&seq,2,6); ret = Find(&seq,6); printf("%d\n",ret); PrintSeqList(&seq); } void Test3() { SeqList seq; InitSeqList(&seq); PushBack(&seq,1); PushBack(&seq,2); PushBack(&seq,3); PushBack(&seq,4); PushBack(&seq,4); PushBack(&seq,2); PushBack(&seq,5); PushBack(&seq,6); PopBack(&seq); Erase(&seq,2); Remove(&seq,2); RemoveAll(&seq,4); PrintSeqList(&seq); } void Test4() { SeqList seq; int pos; InitSeqList(&seq); PushBack(&seq,1); PushBack(&seq,2); PushBack(&seq,3); PushBack(&seq,4); PushBack(&seq,4); PushBack(&seq,5); ReverseList(&seq); SortList(&seq); pos = BinarySearch(&seq,2); printf("%d\n",pos); PrintSeqList(&seq); } void Test5() { SeqList seq; int pos; InitSeqList(&seq); PushBack(&seq,1); PushBack(&seq,2); PushBack(&seq,3); PushBack(&seq,4); PushBack(&seq,4); PushBack(&seq,5); ReverseList(&seq); // SelectSortList(&seq); // Select_SortList(&seq); pos = BinarySearch(&seq,2); printf("%d\n",pos); PrintSeqList(&seq); } int main() { //Test1(); //Test2(); //Test3(); //Test4(); Test5(); return 0; }