蛇形矩阵代码,C代码库,德仔网

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【C】蛇形矩阵
作者:姜南 / 发布于2012/2/21/ 892
<ol>
    <li><span class="preprocessor">#include <stdio.h></span></li>
    <li><span class="preprocessor">
    </span></li>
    <li class="alt"></li>
    <li><span class="datatypes">int</span><span> k,num,a[81][81];</span></li>
    <li><span>
    </span></li>
    <li class="alt"></li>
    <li><span class="keyword">void</span><span> calc1(</span><span class="datatypes">int</span><span> n){</span></li>
    <li class="alt"><span>    </span><span class="datatypes">int</span><span> i,j;</span></li>
    <li><span>    </span><span class="keyword">if</span><span> (n%2==0){</span></li>
    <li class="alt"><span>        i=n;</span></li>
    <li><span>        j=1;</span></li>
    <li class="alt"><span>        </span><span class="keyword">while</span><span>(n--) a[i--][j++]=num++;</span></li>
    <li><span>    }</span></li>
    <li class="alt"><span>    </span><span class="keyword">else</span><span>{</span></li>
    <li><span>        i=1;</span></li>
    <li class="alt"><span>        j=n;</span></li>
    <li><span>        </span><span class="keyword">while</span><span>(n--) a[i++][j--]=num++;</span></li>
    <li class="alt"><span>    }</span></li>
    <li><span>}</span></li>
    <li><span>
    </span></li>
    <li class="alt"></li>
    <li><span class="keyword">void</span><span> calc2(</span><span class="datatypes">int</span><span> n){</span></li>
    <li class="alt"><span>    </span><span class="datatypes">int</span><span> i,j;</span></li>
    <li><span>    </span><span class="keyword">if</span><span> (n%2==0){</span></li>
    <li class="alt"><span>        i=k;</span></li>
    <li><span>        j=k-n+1;</span></li>
    <li class="alt"><span>        </span><span class="keyword">while</span><span>(n--) a[i--][j++]=num++;</span></li>
    <li><span>    }</span></li>
    <li class="alt"><span>    </span><span class="keyword">else</span><span>{</span></li>
    <li><span>        i=k-n+1;</span></li>
    <li class="alt"><span>        j=k;</span></li>
    <li><span>        </span><span class="keyword">while</span><span>(n--) a[i++][j--]=num++;</span></li>
    <li class="alt"><span>    }</span></li>
    <li><span>}</span></li>
    <li><span>
    </span></li>
    <li class="alt"></li>
    <li><span class="datatypes">int</span><span> main(){</span></li>
    <li class="alt"><span>    </span><span class="datatypes">int</span><span> i,j;</span></li>
    <li><span>    </span><span class="keyword">while</span><span>(scanf(</span><span class="string">"%d"</span><span>,&k)!=EOF){</span></li>
    <li class="alt"><span>        num=1;  </span></li>
    <li><span>        </span><span class="keyword">for</span><span>(i=1;i<=k;i++) calc1(i);</span></li>
    <li class="alt"><span>        </span><span class="keyword">for</span><span>(i=k-1;i>=1;i--) calc2(i);   </span></li>
    <li><span>        </span><span class="keyword">for</span><span>(i=1;i<=k;i++){</span></li>
    <li class="alt"><span>            </span><span class="keyword">for</span><span> (j=1;j<=k;j++) printf(</span><span class="string">"%d "</span><span>,a[i][j]);</span></li>
    <li><span>            printf(</span><span class="string">"/n"</span><span>);</span></li>
    <li class="alt"><span>        }</span></li>
    <li><span>        printf(</span><span class="string">"/n"</span><span>);</span></li>
    <li class="alt"><span>    }</span></li>
    <li><span>    </span><span class="keyword">return</span><span> 0;</span></li>
    <li class="alt"><span>}</span></li>
</ol>
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