上传文件至 /

DaffodilsNum.java

@@ -0,0 +1,36 @@
+    public class DaffodilsNum {
+        public static void main(String[] args) {
+            Scanner in = new Scanner(System.in);
+            System.out.print("请输入0-1000内的数字: ");
+            int num = in.nextInt();
+            in.close();
+
+            // 1. 判断输入是否合法
+            if (num < 0 || num > 1000) {
+                System.out.println("输入的不是0-1000内的数字!");
+                return;
+            }
+
+
+            if (num < 100 || num > 999) {
+                System.out.println(num + "不是水仙花数!");
+                return;
+            }
+
+
+            int ge = num % 10;
+            int shi = num / 10 % 10;
+            int bai = num / 100;
+
+
+            int sum = ge * ge * ge + shi * shi * shi + bai * bai * bai;
+
+
+            if (sum == num) {
+                System.out.println(num + "是水仙花数!");
+            } else {
+                System.out.println(num + "不是水仙花数!");
+            }
+        }
+    }
+}