Çʵå Å×½ºÆ®

1. 10¸íÀÇ Á¡¼ö¸¦ ¹è¿­¿¡ ÀúÀåÇϰí, ÃÑÁ¡°ú Æò±ÕÀ» °è»êÇØ¼­ Ãâ·ÂÇØº¸ÀÚ. (ÈùÆ®: [¼Ò½º 9-1]À» ÂüÁ¶)

 

Á¤´ä->

#include <iostream>

using namespace std;

 

int main()

{

             int students[10] = { 100, 88, 72, 92, 96, 100, 80, 40, 56, 84};

 

             // ÃÑÁ¡À» ±¸ÇÑ´Ù.

             int sum = 0;

             for (int i = 0; i < 10; ++i)

             {

                          sum += students[i];

             }

 

             // Æò±ÕÀ» ±¸ÇÑ´Ù.

             float ave = float(sum) / 10;

 

             cout << "ÃÑÁ¡ = " << sum << "\n";

             cout << "Æò±Õ = " << ave << "\n";

            

             return 0;

}

 

2. ¹®ÀÚ¿­ »ó¼ö¸¦ »ç¿ëÇØ¼­ ¹è¿­À» ÃʱâÈ­ÇÏÀÚ. ¹®ÀÚ¿­ÀÇ ³»¿ëÀº ¿©·¯ºÐÀÌ ¿øÇÏ´Â °ÍÀ¸·Î ¾Æ¹«°ÍÀ̳ª Àû¾îµµ »ó°ü¾ø´Ù. ¸¶Áö¸· ¹®ÀÚºÎÅÍ Ã¹¹øÂ° ¹®ÀÚÀÇ ¼ø¼­·Î È­¸é¿¡ Ãâ·ÂÇØº¸ÀÚ. (ÈùÆ®: ¹Ýº¹ ¸í·ÉÀ» »ç¿ëÇÑ´Ù.)

¿¹) "It is a wonderful thing!!"À¸·Î ÃʱâÈ­ Çß´Ù¸é '!!gniht lufrednow a si tI"¸¦ Ãâ·ÂÇØ¾ß ÇÑ´Ù.

 

Á¤´ä->

#include <iostream>

using namespace std;

 

int main()

{

             char str[] = "It is a wonderful thing!";

 

             // ¹è¿­ÀÇ Å©±â¸¦ ±¸ÇÑ´Ù.

             // (³Î¹®ÀÚ¸¦ °í·ÁÇØ¼­ 1À» »«´Ù)

             int len = sizeof(str) - 1;

 

             // ¹è¿­ÀÇ ¿ø¼Ò¸¦ ¿ª¼øÀ¸·Î Ž»öÇϸ鼭 ¹®ÀÚ¿­À» Ãâ·ÂÇÑ´Ù.

             for (int i = len - 1; i >= 0; --i)

             {

                           cout << str[i];

             }

 

             cout << "\n";

             return 0;

}