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1. You are to write three programs which produce the following outputs. Each program will use one of the three loop structures, for, do-while, and while. This will be done in two stages. The first will count from 0 to 20 in decimal, octal, and hexadecimal. The second will add binary.

     Dec  Hex   Oct
       0    0     0 
       1    1     1 
       2    2     2 
       3    3     3 
       4    4     4 
       5    5     5 
       6    6     6 
       7    7     7 
       8    8    10 
       9    9    11 
      10    A    12 
      11    B    13 
      12    C    14 
      13    D    15 
      14    E    16 
      15    F    17 
      16   10    20 
      17   11    21 
      18   12    22 
      19   13    23 
      20   14    24 
   

     Dec      Bin   Hex   Oct
       0        0     0     0 
       1        1     1     1 
       2       10     2     2 
       3       11     3     3 
       4      100     4     4 
       5      101     5     5 
       6      110     6     6 
       7      111     7     7 
       8     1000     8    10 
       9     1001     9    11 
      10     1010     a    12 
      11     1011     b    13 
      12     1100     c    14 
      13     1101     d    15 
      14     1110     e    16 
      15     1111     f    17 
      16    10000    10    20 
      17    10001    11    21 
      18    10010    12    22 
      19    10011    13    23 
      20    10100    14    24 
   

2. Create the following ASCII chart.

              ASCII CHART
     0 1 2 3 4 5 6 7 8 9 A B C D E F
   0       0 @ P ` p       ° À Ð à ð
   1     ! 1 A Q a q     ¡ ± Á Ñ á ñ
   2     " 2 B R b r     ¢ ² Â Ò â ò
   3     # 3 C S c s     £ ³ Ã Ó ã ó
   4     $ 4 D T d t     ¤ ´ Ä Ô ä ô
   5     % 5 E U e u     ¥ µ Å Õ å õ
   6     & 6 F V f v     ¦ ¶ Æ Ö æ ö
   7     ' 7 G W g w     § · Ç × ç ÷
   8     ( 8 H X h x     ¨ ¸ È Ø è ø
   9     ) 9 I Y i y     © ¹ É Ù é ù
   A     * : J Z j z     ª º Ê Ú ê ú
   B     + ; K [ k {     « » Ë Û ë û
   C     , < L \ l |     ¬ ¼ Ì Ü ì ü
   D     - = M ] m }     ­ ½ Í Ý í ý
   E     . > N ^ n ~     ® ¾ Î Þ î þ
   F     / ? O _ o       ¯ ¿ Ï ß ï ÿ
   

3. Write a program which requests two strings and a location in the second. Write a function which inserts the first string into the second at the point specified. The mainline should then print out the resultant string.