'commit'

C++课程/习题训练/3N+1问题_1.cpp

@@ -0,0 +1,16 @@
+#include<bits/stdc++.h>
+using namespace std;
+int main()
+{
+    int n, count = 0;
+    scanf("%d", &n);
+    while(n > 1)
+    {
+        if(n%2 == 1) n = n * 3 + 1;
+        else n /= 2;
+        count++;
+    }
+    printf("%d\n", count);
+    return 0;
+}
+