Updated post(20241005_171213)

archives/20241005_171213/index.html

@@ -134,7 +134,30 @@ <h3 class="zhwb" id="參考解答">參考解答</h3>
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                 <pre><code class="c">
-
+#include &lt;stdio.h&gt;
+int tripleNPlusOne(int n){
+    int count = 1;
+    while(n!=1){
+        if(n%2==0) n/=2;
+        else n=n*3+1;
+    	count++;
+    }
+    return count;
+}
+void main(){
+    int i,j,temp_i,temp_j,max;
+    while(scanf("%d %d",&i,&j) != EOF){
+        max=0;
+        temp_i = i>j ? j : i;
+        temp_j = i>j ? i : j;
+        for(int k=temp_i;k<=temp_j;k++){
+            int count = tripleNPlusOne(k);
+            if(count>max) max=count;
+        }
+        printf("%d %d %d\n",i,j,max);
+    }
+    return;
+}
                 </code></pre>
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