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<div class="headertitle"><div class="title">spiral_print.cpp</div></div>
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<div class="contents">
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<a href="../../db/d07/spiral__print_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="preprocessor">#include <iostream></span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span></div>
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<div class="foldopen" id="foldopen00012" data-start="{" data-end="}">
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"><a class="line" href="../../db/d07/spiral__print_8cpp.html#acfff36db81326fb990a643ab198ee8a5"> 12</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../db/d07/spiral__print_8cpp.html#acfff36db81326fb990a643ab198ee8a5">genArray</a>(<span class="keywordtype">int</span> **a, <span class="keywordtype">int</span> r, <span class="keywordtype">int</span> c) {</div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> <span class="keywordtype">int</span> value = 1;</div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < r; i++) {</div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j < c; j++) {</div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> a[i][j] = value;</div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> std::cout << a[i][j] << <span class="stringliteral">" "</span>;</div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> value++;</div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> }</div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> std::cout << std::endl;</div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> }</div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span>}</div>
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</div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span></div>
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<div class="foldopen" id="foldopen00029" data-start="{" data-end="}">
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"><a class="line" href="../../db/d07/spiral__print_8cpp.html#a850d3f55e1a8d227176cdcc67352c197"> 29</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../db/d07/spiral__print_8cpp.html#a850d3f55e1a8d227176cdcc67352c197">spiralPrint</a>(<span class="keywordtype">int</span> **a, <span class="keywordtype">int</span> r, <span class="keywordtype">int</span> c) {</div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> <span class="keywordtype">int</span> startRow = 0, endRow = r - 1;</div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> <span class="keywordtype">int</span> startCol = 0, endCol = c - 1;</div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="keywordtype">int</span> cnt = 0;</div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> </div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="keywordflow">while</span> (startRow <= endRow && startCol <= endCol) {</div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = startCol; i <= endCol; i++, cnt++) {</div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> std::cout << a[startRow][i] << <span class="stringliteral">" "</span>;</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> }</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> startRow++;</div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span></div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = startRow; i <= endRow; i++, cnt++) {</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> std::cout << a[i][endCol] << <span class="stringliteral">" "</span>;</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> }</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> endCol--;</div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span></div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="keywordflow">if</span> (cnt == r * c) {</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> }</div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> </div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = endCol; i >= startCol; i--, cnt++) {</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> std::cout << a[endRow][i] << <span class="stringliteral">" "</span>;</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> }</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> endRow--;</div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span></div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keywordflow">if</span> (cnt == r * c) {</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> }</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = endRow; i >= startRow; i--, cnt++) {</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> std::cout << a[i][startCol] << <span class="stringliteral">" "</span>;</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> }</div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> startCol++;</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> }</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span>}</div>
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</div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span></div>
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<div class="foldopen" id="foldopen00069" data-start="{" data-end="}">
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"><a class="line" href="../../db/d07/spiral__print_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4"> 69</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../db/d07/spiral__print_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>() {</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordtype">int</span> r, c;</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> std::cin >> r >> c;</div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordtype">int</span> **a = <span class="keyword">new</span> <span class="keywordtype">int</span> *[r];</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < r; i++) a[i] = <span class="keyword">new</span> <span class="keywordtype">int</span>[c];</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> </div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <a class="code hl_function" href="../../db/d07/spiral__print_8cpp.html#acfff36db81326fb990a643ab198ee8a5">genArray</a>(a, r, c);</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <a class="code hl_function" href="../../db/d07/spiral__print_8cpp.html#a850d3f55e1a8d227176cdcc67352c197">spiralPrint</a>(a, r, c);</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> </div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < r; i++) <span class="keyword">delete</span>[] a[i];</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">delete</span>[] a;</div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span>}</div>
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</div>
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<div class="ttc" id="aspiral__print_8cpp_html_a850d3f55e1a8d227176cdcc67352c197"><div class="ttname"><a href="../../db/d07/spiral__print_8cpp.html#a850d3f55e1a8d227176cdcc67352c197">spiralPrint</a></div><div class="ttdeci">void spiralPrint(int **a, int r, int c)</div><div class="ttdef"><b>Definition</b> <a href="#l00029">spiral_print.cpp:29</a></div></div>
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<div class="ttc" id="aspiral__print_8cpp_html_acfff36db81326fb990a643ab198ee8a5"><div class="ttname"><a href="../../db/d07/spiral__print_8cpp.html#acfff36db81326fb990a643ab198ee8a5">genArray</a></div><div class="ttdeci">void genArray(int **a, int r, int c)</div><div class="ttdef"><b>Definition</b> <a href="#l00012">spiral_print.cpp:12</a></div></div>
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<div class="ttc" id="aspiral__print_8cpp_html_ae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="../../db/d07/spiral__print_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a></div><div class="ttdeci">int main()</div><div class="ttdef"><b>Definition</b> <a href="#l00069">spiral_print.cpp:69</a></div></div>
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