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관리 메뉴

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11.6 본문

비트 단기/c

11.6

suuuuu 2018. 11. 6. 21:25
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#include "pch.h"
#include <iostream>
 
struct APPLE {
    //short a; 
    //long b[10]; 
    //char c;
    long color;
};
struct  BANANA
{
    //short a; 
    //long b[10]; 
    //char c;
    APPLE apple;
};
struct  ORANGE
{
    //short a;
    //long b[10];
    //char c;
    BANANA banana; //다른 구조체의 선언이 가능하다
};
 
int main(void)
{
    
    ORANGE orange;
    orange.banana.apple.color = 10;
    //orange.banana.apple = 10; //type에 맞게 줘야 한다.
    printf("%d\n", orange.banana.apple.color); //값
    printf("%d\n"&orange.banana.apple.color); //주소
    
}
 
 
cs



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#include "pch.h"
#include <iostream>
 
struct APPLE {
    
    long *color;
};
struct  BANANA
{
    APPLE *apple;
};
struct  ORANGE
{
    BANANA *banana;
};
 
int main(void)
{
    ORANGE     *orange;
    orange = new ORANGE;
    orange->banana = new BANANA;
    orange->banana->apple = new APPLE;
    orange->banana->apple->color = new long[3];
 
    orange->banana->apple->color[0= 10;
    orange->banana->apple->color[1= 20;
    orange->banana->apple->color[2= 30;
    printf("%d %d\n", orange->banana->apple->color[0], &orange->banana->apple->color[0]);
    printf("%d %d\n", orange->banana->apple->color[1], &orange->banana->apple->color[1]);
    printf("%d %d\n", orange->banana->apple->color[2], &orange->banana->apple->color[2]);
 
    delete[] orange->banana->apple->color;
    delete orange->banana->apple;
    delete orange->banana;
    delete orange;
 
}
 
 
cs


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#include "pch.h"
#include <iostream>
 
struct APPLE {
    
    long *color;
};
struct  BANANA
{
    APPLE *apple;
};
struct  ORANGE
{
    BANANA *banana;
};
 
int main(void)
{
    /*
    //1113
    ORANGE     *orange;
    orange = new ORANGE;
    orange->banana = new BANANA;
    orange->banana->apple = new APPLE;
    orange->banana->apple->color = new long[3];
    orange->banana->apple->color[0] = 10;
    orange->banana->apple->color[1] = 20;
    orange->banana->apple->color[2] = 30;
    printf("%d %d\n", orange->banana->apple->color[0], &orange->banana->apple->color[0]);
    printf("%d %d\n", orange->banana->apple->color[1], &orange->banana->apple->color[1]);
    printf("%d %d\n", orange->banana->apple->color[2], &orange->banana->apple->color[2]);
    delete[] orange->banana->apple->color;
    delete orange->banana->apple;
    delete orange->banana;
    delete orange;
    */
 
    /*
    //1311
    ORANGE *orange;
    orange = new ORANGE;
    orange->banana = new BANANA[3];
    orange->banana[0].apple = new APPLE;
    orange->banana[1].apple = new APPLE;
    orange->banana[2].apple = new APPLE;
    orange->banana[0].apple->color = new long;
    orange->banana[1].apple->color = new long;
    orange->banana[2].apple->color = new long;
    *orange->banana[0].apple->color = 10; //*을 앞으로 c[]에 대한
    *orange->banana[1].apple->color = 20;
    *orange->banana[2].apple->color = 30;
    printf("%d %d\n", *orange->banana[0].apple->color, &orange->banana[0].apple->color);
    printf("%d %d\n", *orange->banana[1].apple->color, &orange->banana[1].apple->color);
    printf("%d %d\n", *orange->banana[2].apple->color, &orange->banana[2].apple->color);
    delete orange->banana[0].apple->color;
    delete orange->banana[1].apple->color;
    delete orange->banana[2].apple->color;
    delete orange->banana[0].apple;
    delete orange->banana[1].apple;
    delete orange->banana[2].apple;
    delete[] orange->banana;
    delete orange;
    */
 
    //3111
    //o[].b->a->c;
}
cs


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