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POCode Golf: Build Me an Arc
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copied!<h2>Challenge</h2> <p>The shortest program by character count that accepts standard input of the form <code>X-Y R</code>, with the following guarantees:</p> <ul> <li><code>R</code> is a non-negative decimal number less than or equal to 8</li> <li><code>X</code> and <code>Y</code> are non-negative angles given in decimal as multiples of 45° (<code>0</code>, <code>45</code>, <code>90</code>, <code>135</code>, etc.)</li> <li><code>X</code> is less than <code>Y</code></li> <li><code>Y</code> is not <code>360</code> if <code>X</code> is <code>0</code></li> </ul> <p>And produces on standard output an ASCII "arc" from the starting angle <code>X</code> to the ending angle <code>Y</code> of radius <code>R</code>, where:</p> <ul> <li>The vertex of the arc is represented by <code>o</code></li> <li>Angles of <code>0</code> and <code>180</code> are represented by <code>-</code></li> <li>Angles of <code>45</code> and <code>225</code> are represented by <code>/</code></li> <li>Angles of <code>90</code> and <code>270</code> are represented by <code>|</code></li> <li>Angles of <code>135</code> and <code>315</code> are represented by <code>\</code></li> <li>The polygonal area enclosed by the two lines is filled with a non-whitespace character.</li> </ul> <p>The program is not required to produce meaningful output if given invalid input. Solutions in any language are allowed, except of course a language written specifically for this challenge, or one that makes unfair use of an external utility. Extraneous horizontal and vertical whitespace <em>is</em> allowed in the output provided that the format of the output remains correct.</p> <p><strong>Happy golfing!</strong></p> <h2>Numerous Examples</h2> <p>Input:</p> <pre>0-45 8</pre> <p>Output:</p> <pre> / /x /xx /xxx /xxxx /xxxxx /xxxxxx /xxxxxxx o-------- </pre> <p>Input:</p> <pre>0-135 4</pre> <p>Output:</p> <pre> \xxxxxxxx \xxxxxxx \xxxxxx \xxxxx o---- </pre> <p>Input:</p> <pre>180-360 2</pre> <p>Output:</p> <pre> --o-- xxxxx xxxxx </pre> <p>Input:</p> <pre>45-90 0</pre> <p>Output:</p> <pre>o</pre> <p>Input:</p> <pre>0-315 2</pre> <p>Output:</p> <pre> xxxxx xxxxx xxo-- xxx\ xxxx\ </pre>

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