数据结构之重构数组


代码肯定有很多问题,没有仔细去完善,现在大致目的是弄清楚这些算法,现在贴出来供以后自己细看,也希望能帮助需要帮助的人
/*************************************************************************
    > File Name: ArrayList.cpp
    > Author: Darin
    > Mail: dyy726@qq.com 
    > Created Time: 2013年06月06日 星期四 07时57分32秒
 ************************************************************************/

#include<stdio.h>
#include<malloc.h>
#include<string.h>
typedef struct ArrayList {
    int *Base;
    int length;
    int count;
}Array;

bool iscorrect(int cnt,int length); //判断所输入的下标是否正确
void exchange(int *p1,int *p2);//交换函数给抽出来了
bool isfull(Array *array);//数组是否满了
bool isempty(Array *array);
bool init(Array *array,int lenth);//初始化数组
bool add(Array *array,int num);//添加
bool insert(Array *array,int count,int num);//插入
bool deleteArrary(Array *array,int count);//删除
int get(Array *array,int count);//获取
bool sort(Array *array);//排序
void show(Array *array);//输出数组

int main() {
    Array array;
    init(&array,5);
    add(&array,1);
    add(&array,2);
    add(&array,3);
    add(&array,4);
    add(&array,5);
    insert(&array,5,10);
    show(&array);
    insert(&array,-1,20);
    insert(&array,1,20);
    show(&array);
    deleteArrary(&array,3);
    show(&array);
    sort(&array);
    show(&array);
    return 0;
}

bool iscorrect(int cnt,int length) {
    if(cnt<=0 ||cnt >=length) return false;
    return true;
}
void exchange(int *p1,int *p2) {
    int temp;
    temp = *p1;
    *p1 = *p2;
    *p2 = temp;
}
bool isfull(Array *array) {
    if(array->count == array->length-1) {
        return true;
    } else return false;
}
bool isempty(Array *array) {
    if(array->count == -1 ) return true;
    else return false;
}
bool init(Array *array,int lenth) {
    //printf("Working\n");
    array->Base = (int *)malloc(sizeof(int)*lenth);
    if (array->Base == NULL) {
        printf("Create failure");
        return false;
    }
    array->length = lenth;
    array->count = -1;
    return true;
}
bool add(Array *array,int num) {
    //printf("Working\n");
    if(!isfull(array)) {
        array->count++;
        array->Base[array->count] = num;
        return true;
    } else return false;
}
bool insert(Array *array,int count,int num) {
    int i =0;
    char y;
    bool yes = false;
    if(!iscorrect(count,array->length+1)) return false;
    if(!isfull(array)) {
        yes = true;
    } else {
        printf("The array if full,To add the length of the array ? y/n:");
        gets(&y);        
        if(y == 'Y'|| y == 'y'){
            yes = true;
            array->length++;
        }else yes = false;
    }
    if (yes) {
        for (i =array->count;i>=count-1;i--){
            exchange(&(array->Base[i+1]),&(array->Base[i]));
        }
        array->Base[count-1] = num;
        array->count++;
        return true;
    } else return false;
}

bool deleteArrary(Array *array,int count) {
    int i = 0;
    if(!iscorrect(count,array->length)) return false;
    if(isempty(array)) {
        printf("The array is empty");
        return false;
    } else {
        for(i=count-1;i<array->count;i++) {
            exchange(&(array->Base[i]),&(array->Base[i+1]));
        }
        array->count--;
        array->length--;
        return true;
    }
}

int get(Array *array,int count) {
   if(!iscorrect(count,array->length)) return false;
   return array->Base[count-1]; 
}

bool sort(Array *array) {
    int i=0;
    int j=0;
    if(isempty(array)) return false;
    for(i=0;i<array->count;i++){
        for(j=0;j<array->count-i;j++) {
            if(array->Base[j]>array->Base[j+1]) {
                exchange(&(array->Base[j]),&(array->Base[j+1]));
            }
        }
    }
    return true;
}

void show(Array *array){
    int i=0;
    if(isempty(array)) {
        printf("The Array is empty");
        return;
    }
    for (i=0;i<=array->count;i++) printf("%d ",array->Base[i]);
    printf("\n");
}

 

posted @ 2013-06-08 19:16  Null__Pointer  阅读(263)  评论(0编辑  收藏  举报