¿¬½À¹®Á¦
1. Á¡¼ö¿¡ µû¶ó A~FÀÇ ¼ºÀûÀ» Ãâ·ÂÇÏ´Â ÇÁ·Î±×·¥ ÀÛ¼ºÇغ¸ÀÚ. (if, else if, else¸¦ »ç¿ëÇÒ ¼ö ÀÖ´Ù.)
91~100 Á¡ : A
81~90 Á¡ : B
71~80 Á¡ : C
61~70 Á¡ : D
0 ~ 60 Á¡ : F
Á¤´ä->
#include
<iostream>
using
namespace std;
int
main()
{
unsigned int score =
85;
char grade = '?';
if (score > 90
&& score <= 100)
grade = 'A';
else if (score > 80
&& score <= 90)
grade = 'B';
else if (score > 70
&& score <= 80)
grade = 'C';
else if (score > 60
&& score <= 70)
grade = 'D';
else
grade = 'F';
cout <<
"score = " << score << ", grade = " <<
grade << "\n";
return 0;
}
2. A~FÀÇ ¼ºÀû¿¡ µû¶ó¼ ¾Ë¸ÂÀº ¹®ÀÚ¿À» Ãâ·ÂÇØº¸ÀÚ. ¼ºÀûÀº char ŸÀÔÀ¸·Î ÇÑ´Ù.
(ÈùÆ®: swith/case¸¦ »ç¿ëÇÒ ¼ö ÀÖ´Ù)
Á¤´ä->
#include <iostream>
using namespace std;
int main()
{
char
grade = 'C';
switch(
grade )
{
case
'A':
cout
<< "´ë´ÜÇÕ´Ï´Ù!\n";
break;
case
'B':
cout
<< "ÁÁ³×¿ä!\n";
break;
case
'C':
cout
<< "±¦Âú¾Æ¿ä!\n";
break;
case
'D':
cout
<< "´ÙÀ½¿¡ ÀßÇÏ¸é µÇÁÒ!\n";
break;
case
'F':
cout
<< "ÁÁÀº °æÇèÀÔ´Ï´Ù!\n";
break;
default:
cout
<< "¾Ë ¼ö ¾ø´Â ¼ºÀûÀÔ´Ï´Ù.\n";
}
return
0;
}
3. ÁßøµÈ whileÀ» »ç¿ëÇØ¼ ±¸±¸´Ü ÇÁ·Î±×·¥À» ¸¸µé¾îº¸ÀÚ.
Á¤´ä->
#include
<iostream>
using
namespace std;
int
main()
{
int i = 1;
while (i <= 9)
{
cout << "===== " << i
<< " =====\n";
int j = 1;
while (j <= 9)
{
cout << i << " x
" << j << " = " << i * j <<
"\n";
++j;
}
++i;
}
return 0;
}
4.whileÀ» »ç¿ëÇØ¼ 1~10 Áß 5¸¸ »« ÇÕÀ» ±¸Çغ¸ÀÚ.
Á¤´ä->
´ÙÀ½ÀÇ ÇÁ·Î±×·¥Àº ¿©·¯°¡Áö ¹æ¹ý Áß¿¡ ÇϳªÀÏ »ÓÀÌ°í ¾ó¸¶µçÁö ´Ù¾çÇÑ ¹æ¹ýÀÌ Á¸ÀçÇÒ ¼ö ÀÖ´Ù. ¿¹¸¦ µé¾î ÇÊÀÚ´Â iÀÇ Ãʱ⠰ªÀ» 0À¸·Î ÁÖ°í, 10º¸´Ù ÀÛÀº µ¿¾È¿¡¸¸ ¹Ýº¹ÇÏ°Ô ¸¸µé¾úÁö¸¸ ÀÌ·± °ªµéÀº while ºí·Ï ¾ÈÂÊÀÇ Äڵ尡 ¾î¶»°Ô ±¸ÇöµÇ´À³Ä¿¡ µû¶ó¼ ´Þ¶óÁú ¼öµµ ÀÖ´Ù.
#include
<iostream>
using
namespace std;
int
main()
{
int sum = 0;
int i = 0;
while (i < 10)
{
++i;
if (5 == i)
continue;
sum += i;
}
cout << "sum
= " << sum << "\n";
return 0;
}