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<a href="#func-members">Functions</a> </div>
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<div class="headertitle"><div class="title">decimal_to_roman_numeral.cpp File Reference</div></div>
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</div><!--header-->
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<div class="contents">
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<p>This Programme Converts a given decimal number in the range [0,4000) to both Lower case and Upper case Roman Numeral.
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<a href="#details">More...</a></p>
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<div class="textblock"><code>#include <cmath></code><br />
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<code>#include <cstdio></code><br />
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<code>#include <cstring></code><br />
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<code>#include <iostream></code><br />
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</div><div class="textblock"><div class="dynheader">
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Include dependency graph for decimal_to_roman_numeral.cpp:</div>
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<div class="dyncontent">
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<div class="center"><iframe scrolling="no" frameborder="0" src="../../dc/d43/decimal__to__roman__numeral_8cpp__incl.svg" width="328" height="126"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div>
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</div>
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</div><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:a88203bd297e8405160c132faa1187780" id="r_a88203bd297e8405160c132faa1187780"><td class="memItemLeft" align="right" valign="top"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#a88203bd297e8405160c132faa1187780">fill</a> (char c, int n)</td></tr>
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<tr class="separator:a88203bd297e8405160c132faa1187780"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a003fb4e1b08279fe4cd50fbbc2782c2d" id="r_a003fb4e1b08279fe4cd50fbbc2782c2d"><td class="memItemLeft" align="right" valign="top"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#a003fb4e1b08279fe4cd50fbbc2782c2d">tolowerRoman</a> (int n)</td></tr>
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<tr class="separator:a003fb4e1b08279fe4cd50fbbc2782c2d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a214743638eff1336f835310049aef979" id="r_a214743638eff1336f835310049aef979"><td class="memItemLeft" align="right" valign="top"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#a214743638eff1336f835310049aef979">toupperRoman</a> (int n)</td></tr>
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<tr class="separator:a214743638eff1336f835310049aef979"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ae66f6b31b5ad750f1fe042a706a4e3d4" id="r_ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a> ()</td></tr>
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<tr class="separator:ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>This Programme Converts a given decimal number in the range [0,4000) to both Lower case and Upper case Roman Numeral. </p>
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</div><h2 class="groupheader">Function Documentation</h2>
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<a id="a88203bd297e8405160c132faa1187780" name="a88203bd297e8405160c132faa1187780"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a88203bd297e8405160c132faa1187780">◆ </a></span>fill()</h2>
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<div class="memitem">
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<td class="memname"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> fill </td>
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<td>(</td>
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<td class="paramtype">char</td> <td class="paramname"><span class="paramname"><em>c</em></span>, </td>
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<td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>n</em></span> )</td>
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</div><div class="memdoc">
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<p>This functions fills a string with character c, n times and returns it </p><dl class="section note"><dt>Note</dt><dd>This can probably be replace by <code>memcpy</code> function. </dd></dl>
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<div class="fragment"><div class="line"><span class="lineno"> 15</span> {</div>
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<div class="line"><span class="lineno"> 16</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> s = <span class="stringliteral">""</span>;</div>
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<div class="line"><span class="lineno"> 17</span> <span class="keywordflow">while</span> (n--) s += c;</div>
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<div class="line"><span class="lineno"> 18</span> <span class="keywordflow">return</span> s;</div>
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<div class="line"><span class="lineno"> 19</span>}</div>
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<div class="ttc" id="abasic_string_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div></div>
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</div><!-- fragment -->
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</div>
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<a id="ae66f6b31b5ad750f1fe042a706a4e3d4" name="ae66f6b31b5ad750f1fe042a706a4e3d4"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ae66f6b31b5ad750f1fe042a706a4e3d4">◆ </a></span>main()</h2>
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<div class="memitem">
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<td class="memname">int main </td>
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<td>(</td>
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<td class="paramtype">void</td> <td class="paramname"><span class="paramname"><em></em></span></td><td>)</td>
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<td></td>
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</div><div class="memdoc">
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<p>main function </p>
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<div class="fragment"><div class="line"><span class="lineno"> 90</span> {</div>
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<div class="line"><span class="lineno"> 91</span> <span class="keywordtype">int</span> n;</div>
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<div class="line"><span class="lineno"> 92</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"\t\tRoman numbers converter\n\n"</span>;</div>
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<div class="line"><span class="lineno"> 93</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Type in decimal number between 0 up to 4000 (exclusive): "</span>;</div>
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<div class="line"><span class="lineno"> 94</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a> >> n;</div>
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<div class="line"><span class="lineno"> 95</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << n << <span class="stringliteral">" in Upper Roman Numerals is "</span> << <a class="code hl_function" href="#a214743638eff1336f835310049aef979">toupperRoman</a>(n) << <span class="stringliteral">"\n"</span>;</div>
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<div class="line"><span class="lineno"> 96</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << n << <span class="stringliteral">" in Lower Roman Numerals is "</span> << <a class="code hl_function" href="#a003fb4e1b08279fe4cd50fbbc2782c2d">tolowerRoman</a>(n) << <span class="stringliteral">"\n"</span>;</div>
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<div class="line"><span class="lineno"> 97</span> <span class="keywordflow">return</span> 0;</div>
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<div class="line"><span class="lineno"> 98</span>}</div>
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<div class="ttc" id="abasic_istream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a></div></div>
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<div class="ttc" id="abasic_ostream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a></div></div>
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<div class="ttc" id="adecimal__to__roman__numeral_8cpp_html_a003fb4e1b08279fe4cd50fbbc2782c2d"><div class="ttname"><a href="#a003fb4e1b08279fe4cd50fbbc2782c2d">tolowerRoman</a></div><div class="ttdeci">std::string tolowerRoman(int n)</div><div class="ttdef"><b>Definition</b> decimal_to_roman_numeral.cpp:24</div></div>
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<div class="ttc" id="adecimal__to__roman__numeral_8cpp_html_a214743638eff1336f835310049aef979"><div class="ttname"><a href="#a214743638eff1336f835310049aef979">toupperRoman</a></div><div class="ttdeci">std::string toupperRoman(int n)</div><div class="ttdef"><b>Definition</b> decimal_to_roman_numeral.cpp:58</div></div>
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</div><!-- fragment --><div class="dynheader">
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Here is the call graph for this function:</div>
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<div class="dyncontent">
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<div class="center"><iframe scrolling="no" frameborder="0" src="../../de/d85/decimal__to__roman__numeral_8cpp_ae66f6b31b5ad750f1fe042a706a4e3d4_cgraph.svg" width="302" height="134"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div>
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</div>
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</div>
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</div>
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<a id="a003fb4e1b08279fe4cd50fbbc2782c2d" name="a003fb4e1b08279fe4cd50fbbc2782c2d"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a003fb4e1b08279fe4cd50fbbc2782c2d">◆ </a></span>tolowerRoman()</h2>
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<div class="memitem">
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<div class="memproto">
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<td class="memname"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> tolowerRoman </td>
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<td>(</td>
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<td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>n</em></span></td><td>)</td>
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<td></td>
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</div><div class="memdoc">
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<p>to convert to lowercase Roman Numeral the function works recursively </p>
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<div class="fragment"><div class="line"><span class="lineno"> 24</span> {</div>
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<div class="line"><span class="lineno"> 25</span> <span class="keywordflow">if</span> (n < 4)</div>
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<div class="line"><span class="lineno"> 26</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'i'</span>, n);</div>
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<div class="line"><span class="lineno"> 27</span> <span class="keywordflow">if</span> (n < 6)</div>
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<div class="line"><span class="lineno"> 28</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'i'</span>, 5 - n) + <span class="stringliteral">"v"</span>;</div>
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<div class="line"><span class="lineno"> 29</span> <span class="keywordflow">if</span> (n < 9)</div>
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<div class="line"><span class="lineno"> 30</span> <span class="keywordflow">return</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a>(<span class="stringliteral">"v"</span>) + <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'i'</span>, n - 5);</div>
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<div class="line"><span class="lineno"> 31</span> <span class="keywordflow">if</span> (n < 11)</div>
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<div class="line"><span class="lineno"> 32</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'i'</span>, 10 - n) + <span class="stringliteral">"x"</span>;</div>
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<div class="line"><span class="lineno"> 33</span> <span class="keywordflow">if</span> (n < 40)</div>
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<div class="line"><span class="lineno"> 34</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'x'</span>, n / 10) + <a class="code hl_function" href="#a003fb4e1b08279fe4cd50fbbc2782c2d">tolowerRoman</a>(n % 10);</div>
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<div class="line"><span class="lineno"> 35</span> <span class="keywordflow">if</span> (n < 60)</div>
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<div class="line"><span class="lineno"> 36</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'x'</span>, 5 - n / 10) + <span class="charliteral">'l'</span> + <a class="code hl_function" href="#a003fb4e1b08279fe4cd50fbbc2782c2d">tolowerRoman</a>(n % 10);</div>
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<div class="line"><span class="lineno"> 37</span> <span class="keywordflow">if</span> (n < 90)</div>
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<div class="line"><span class="lineno"> 38</span> <span class="keywordflow">return</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a>(<span class="stringliteral">"l"</span>) + <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'x'</span>, n / 10 - 5) + <a class="code hl_function" href="#a003fb4e1b08279fe4cd50fbbc2782c2d">tolowerRoman</a>(n % 10);</div>
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<div class="line"><span class="lineno"> 39</span> <span class="keywordflow">if</span> (n < 110)</div>
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<div class="line"><span class="lineno"> 40</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'x'</span>, 10 - n / 10) + <span class="stringliteral">"c"</span> + <a class="code hl_function" href="#a003fb4e1b08279fe4cd50fbbc2782c2d">tolowerRoman</a>(n % 10);</div>
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<div class="line"><span class="lineno"> 41</span> <span class="keywordflow">if</span> (n < 400)</div>
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<div class="line"><span class="lineno"> 42</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'c'</span>, n / 100) + <a class="code hl_function" href="#a003fb4e1b08279fe4cd50fbbc2782c2d">tolowerRoman</a>(n % 100);</div>
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<div class="line"><span class="lineno"> 43</span> <span class="keywordflow">if</span> (n < 600)</div>
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<div class="line"><span class="lineno"> 44</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'c'</span>, 5 - n / 100) + <span class="charliteral">'d'</span> + <a class="code hl_function" href="#a003fb4e1b08279fe4cd50fbbc2782c2d">tolowerRoman</a>(n % 100);</div>
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<div class="line"><span class="lineno"> 45</span> <span class="keywordflow">if</span> (n < 900)</div>
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<div class="line"><span class="lineno"> 46</span> <span class="keywordflow">return</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a>(<span class="stringliteral">"d"</span>) + <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'c'</span>, n / 100 - 5) +</div>
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<div class="line"><span class="lineno"> 47</span> <a class="code hl_function" href="#a003fb4e1b08279fe4cd50fbbc2782c2d">tolowerRoman</a>(n % 100);</div>
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<div class="line"><span class="lineno"> 48</span> <span class="keywordflow">if</span> (n < 1100)</div>
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<div class="line"><span class="lineno"> 49</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'c'</span>, 10 - n / 100) + <span class="stringliteral">"m"</span> + <a class="code hl_function" href="#a003fb4e1b08279fe4cd50fbbc2782c2d">tolowerRoman</a>(n % 100);</div>
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<div class="line"><span class="lineno"> 50</span> <span class="keywordflow">if</span> (n < 4000)</div>
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<div class="line"><span class="lineno"> 51</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'m'</span>, n / 1000) + <a class="code hl_function" href="#a003fb4e1b08279fe4cd50fbbc2782c2d">tolowerRoman</a>(n % 1000);</div>
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<div class="line"><span class="lineno"> 52</span> <span class="keywordflow">return</span> <span class="stringliteral">"?"</span>;</div>
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<div class="line"><span class="lineno"> 53</span>}</div>
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<div class="ttc" id="adecimal__to__roman__numeral_8cpp_html_a88203bd297e8405160c132faa1187780"><div class="ttname"><a href="#a88203bd297e8405160c132faa1187780">fill</a></div><div class="ttdeci">std::string fill(char c, int n)</div><div class="ttdef"><b>Definition</b> decimal_to_roman_numeral.cpp:15</div></div>
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<a id="a214743638eff1336f835310049aef979" name="a214743638eff1336f835310049aef979"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a214743638eff1336f835310049aef979">◆ </a></span>toupperRoman()</h2>
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<td class="memname"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> toupperRoman </td>
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<td>(</td>
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<td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>n</em></span></td><td>)</td>
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<p>to convert to uppercase Roman Numeral the function works recursively </p>
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<div class="fragment"><div class="line"><span class="lineno"> 58</span> {</div>
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<div class="line"><span class="lineno"> 59</span> <span class="keywordflow">if</span> (n < 4)</div>
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<div class="line"><span class="lineno"> 60</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'I'</span>, n);</div>
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<div class="line"><span class="lineno"> 61</span> <span class="keywordflow">if</span> (n < 6)</div>
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<div class="line"><span class="lineno"> 62</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'I'</span>, 5 - n) + <span class="stringliteral">"V"</span>;</div>
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<div class="line"><span class="lineno"> 63</span> <span class="keywordflow">if</span> (n < 9)</div>
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<div class="line"><span class="lineno"> 64</span> <span class="keywordflow">return</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a>(<span class="stringliteral">"V"</span>) + <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'I'</span>, n - 5);</div>
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<div class="line"><span class="lineno"> 65</span> <span class="keywordflow">if</span> (n < 11)</div>
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<div class="line"><span class="lineno"> 66</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'I'</span>, 10 - n) + <span class="stringliteral">"X"</span>;</div>
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<div class="line"><span class="lineno"> 67</span> <span class="keywordflow">if</span> (n < 40)</div>
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<div class="line"><span class="lineno"> 68</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'X'</span>, n / 10) + <a class="code hl_function" href="#a214743638eff1336f835310049aef979">toupperRoman</a>(n % 10);</div>
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<div class="line"><span class="lineno"> 69</span> <span class="keywordflow">if</span> (n < 60)</div>
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<div class="line"><span class="lineno"> 70</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'X'</span>, 5 - n / 10) + <span class="charliteral">'L'</span> + <a class="code hl_function" href="#a214743638eff1336f835310049aef979">toupperRoman</a>(n % 10);</div>
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<div class="line"><span class="lineno"> 71</span> <span class="keywordflow">if</span> (n < 90)</div>
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<div class="line"><span class="lineno"> 72</span> <span class="keywordflow">return</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a>(<span class="stringliteral">"L"</span>) + <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'X'</span>, n / 10 - 5) + <a class="code hl_function" href="#a214743638eff1336f835310049aef979">toupperRoman</a>(n % 10);</div>
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<div class="line"><span class="lineno"> 73</span> <span class="keywordflow">if</span> (n < 110)</div>
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<div class="line"><span class="lineno"> 74</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'X'</span>, 10 - n / 10) + <span class="stringliteral">"C"</span> + <a class="code hl_function" href="#a214743638eff1336f835310049aef979">toupperRoman</a>(n % 10);</div>
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<div class="line"><span class="lineno"> 75</span> <span class="keywordflow">if</span> (n < 400)</div>
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<div class="line"><span class="lineno"> 76</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'C'</span>, n / 100) + <a class="code hl_function" href="#a214743638eff1336f835310049aef979">toupperRoman</a>(n % 100);</div>
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<div class="line"><span class="lineno"> 77</span> <span class="keywordflow">if</span> (n < 600)</div>
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<div class="line"><span class="lineno"> 78</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'C'</span>, 5 - n / 100) + <span class="charliteral">'D'</span> + <a class="code hl_function" href="#a214743638eff1336f835310049aef979">toupperRoman</a>(n % 100);</div>
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<div class="line"><span class="lineno"> 79</span> <span class="keywordflow">if</span> (n < 900)</div>
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<div class="line"><span class="lineno"> 80</span> <span class="keywordflow">return</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a>(<span class="stringliteral">"D"</span>) + <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'C'</span>, n / 100 - 5) +</div>
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<div class="line"><span class="lineno"> 81</span> <a class="code hl_function" href="#a214743638eff1336f835310049aef979">toupperRoman</a>(n % 100);</div>
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<div class="line"><span class="lineno"> 82</span> <span class="keywordflow">if</span> (n < 1100)</div>
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<div class="line"><span class="lineno"> 83</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'C'</span>, 10 - n / 100) + <span class="stringliteral">"M"</span> + <a class="code hl_function" href="#a214743638eff1336f835310049aef979">toupperRoman</a>(n % 100);</div>
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<div class="line"><span class="lineno"> 84</span> <span class="keywordflow">if</span> (n < 4000)</div>
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<div class="line"><span class="lineno"> 85</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#a88203bd297e8405160c132faa1187780">fill</a>(<span class="charliteral">'M'</span>, n / 1000) + <a class="code hl_function" href="#a214743638eff1336f835310049aef979">toupperRoman</a>(n % 1000);</div>
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<div class="line"><span class="lineno"> 86</span> <span class="keywordflow">return</span> <span class="stringliteral">"?"</span>;</div>
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<div class="line"><span class="lineno"> 87</span>}</div>
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