数组学习笔记

int array[5] = {1,2,3,4,5}; //指定下标长度并初始化所有元素.
int array[5] = {1,2,3}; //指定下标长度并初始化部分元素. 1,2,3,0,0
int array[] = {1,2,3,4,5}; //不指定下标长度并初始化所有元素.


#include "stdafx.h"
#include "iostream.h"
#include "string.h"

int main(int argc, char* argv[])
{
    char *array[3];
    array[1] = new char[100];
    strcpy(array[1], "创建指定大小的字符型数组");
    cout << array[1] << endl;
    cout << *(array+1) << endl;
    delete [] array[1];
    return 0;
}




#include "stdafx.h"
#include "iostream.h"
int main(int argc, char* argv[])
{
    int array[3] = {10,20,30};
    for(int i=0;i<10;i++)
        cout << *(arrar+i) << " "; //通过指针输出数组
    cout << endl;
    return 0;
}


//冒泡排序
#include "stdafx.h"
#include "iostream.h"
#include "string.h"
#include "stdlib.h"




int main(int argc, char* argv[])
{
    int i, flag, i2, j, t;
    int a[10];
    int *p;
    int num=1;
    flag = 1;
    p = a;

    for(i=0;i<10;i++)
    {
        a[i] = rand()%100;
    }

    for(i2=0;i2<10;i2++)
    {
        cout << a[i2] << "\t";
        
        //cout << *p++ << endl;
    }
    cout << "################" << endl;




    for(i=0;i<9;i++)
    {
        flag = 0;
        for(j=0;j<9;j++)
        {
            if(a[j]>a[j+1])
            {
                num++;
                t = a[j];
                a[j] = a[j+1];
                a[j+1] = t;
                flag = 1;
            }
            
        }
        if(0 == flag)
        {
            break;
        }
        for(i2=0;i2<10;i2++)
        {
            cout << a[i2] << "\t";
            //cout << *p++ << endl;
        }

    }

    for(i=0;i<10;i++)
    {
        //cout << a[i] << "\t";
        cout << *p++ << endl;
    }
    cout << "num=" << num << endl;
    return 0;
}