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Challenges

Comments on Display a Progress Bar

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Display a Progress Bar

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The goal of this challenge is simple: given a ratio of whole numbers, output a 50-character long progress bar representing the ratio.

Rules

Input

  • Your program must take two numbers as input. These numbers will be the numerator and denominator of the ratio, in that order. Your program cannot take the calculated result of the ratio as input. So, an input of 1/4 is fine, but not 0.25.
  • The numbers may be entered separately, or together with a / as a separator, whichever works best with your chosen language.
  • The numerator can be any integer greater than or equal to 0, and the denominator can be any integer greater than 0.
  • The ratio cannot be greater than 1, or less than zero. So 0r1 where r is the ratio. Thus, ratios like 12/3 are not allowed.

Output

  • Your program must output a progress bar that is 50 characters in length, not counting the enclosing brackets.
  • The progress bar must fill from left to right.
  • The "filled" part of the progress bar must be made of pipes |, and the "empty" part of the progress bar must be made of dashes -.
  • The progress bar must be enclosed in square brackets [].
  • Whitespace is fine at the end of the output, but not anywhere else.
  • When calculating the number of "filled" characters to output, you may round in whichever direction your language supports. So a number of 33.1 can be rounded either up to 34 or down to 33, whichever you choose.

Scoring

This is a code-golf challenge, so the shortest code in bytes wins!

Examples

Example 1

Input: 1/2
Output: [|||||||||||||||||||||||||-------------------------]

Example 2

Input: 2/3
Output: [|||||||||||||||||||||||||||||||||-----------------]
or
Output: [||||||||||||||||||||||||||||||||||----------------]

Example 3

Input: 234/300
Output: [|||||||||||||||||||||||||||||||||||||||-----------]

Example 4

Input: 5/50
Output: [|||||---------------------------------------------]
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1 comment thread

Rounding of 33.33 (2 comments)
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Vyxal 3, 26 bytes

÷50×.5+:'|×'[p$51$-'-×']W“

Vyxal It Online!

÷50×.5+:'|×'[p$51$-'-×']W“­⁡​‎‎⁡⁠⁡‏⁠‎⁡⁠⁢‏⁠‎⁡⁠⁣‏⁠‎⁡⁠⁤‏⁠‎⁡⁠⁢⁡‏⁠‎⁡⁠⁢⁢‏⁠‎⁡⁠⁢⁣‏‏​⁡⁠⁡‌⁢​‎‎⁡⁠⁢⁤‏‏​⁡⁠⁡‌⁣​‎‎⁡⁠⁣⁡‏⁠‎⁡⁠⁣⁢‏⁠‎⁡⁠⁣⁣‏⁠‏​⁡⁠⁡‌⁤​‎‎⁡⁠⁣⁤‏⁠‎⁡⁠⁤⁡‏⁠‎⁡⁠⁤⁢‏‏​⁡⁠⁡‌⁢⁡​‎‎⁡⁠⁤⁣‏⁠‎⁡⁠⁤⁤‏⁠‎⁡⁠⁢⁡⁡‏⁠‎⁡⁠⁢⁡⁢‏⁠‎⁡⁠⁢⁡⁣‏‏​⁡⁠⁡‌⁢⁢​‎‎⁡⁠⁢⁡⁤‏⁠‎⁡⁠⁢⁢⁡‏⁠‎⁡⁠⁢⁢⁢‏⁠⁠‏​⁡⁠⁡‌⁢⁣​‎‎⁡⁠⁢⁢⁣‏⁠‎⁡⁠⁢⁢⁤‏‏​⁡⁠⁡‌⁢⁤​‎‏​⁢⁠⁡‌⁣⁡​‎‎⁡⁠⁢⁣⁡‏⁠‎⁡⁠⁢⁣⁢‏‏​⁡⁠⁡‌­
÷50×.5+                     # ‎⁡compute (50xratio)+0.5
       :                    # ‎⁢push it twice
        '|×                 # ‎⁣"|" that many times
           '[p              # ‎⁤prepend "["
              $51$-         # ‎⁢⁡retrieve the second copy of the number, and subtract it from 51
                   '-×      # ‎⁢⁢"-" that many times
                      ']    # ‎⁢⁣"]" literal
# ‎⁢⁤stack is now ["[||..."] ["--..."] ["]"]
                        W“  # ‎⁣⁡wrap the entire stack in an array and join it on nothing, yielding the correct string
💎

Created with the help of Luminespire.

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1 comment thread

Off by one error (3 comments)
Off by one error
trichoplax‭ wrote 29 days ago

The online test cases give only 49 characters (51 including the [ and ]) rather than 50 (52 including the [ and ]).

Also, the second test case uses 1/3 instead of 2/3.

fixed by substracting from 51 instead of 50 at no byte cost

trichoplax‭ wrote 13 days ago · edited 13 days ago

Nice​​ ​