第三节 IF语句
<h1>c语言提供了2种形式的if语句：</h1>
<h3>1、if（表达式）语句1</h3>
<p><img src="https://www.showdoc.com.cn/server/api/attachment/visitfile/sign/83a0c8333dffb3afeac2be85f57257fe" alt="" />
例如：</p>
<pre><code class="language-cpp">if（ x > y ）
printf("%d",x);</code></pre>
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<hr />
<h3>2、if（表达式）</h3>
<h3>else</h3>
<p><img src="https://www.showdoc.com.cn/server/api/attachment/visitfile/sign/a2df72e44c048b652407979b095db624" alt="" />
语句1
else
语句2</p>
<p>例如：</p>
<pre><code class="language-cpp">if（x>y)
printf("%d",x);
else
printf("%d",y);</code></pre>