上传了实验一,已确认无敏感信息

实验1/task4.java

@@ -0,0 +1,9 @@
+import java.util.Scanner;
+
+public class task4 {
+    public static void main(String[] args) {
+        Scanner input = new Scanner(System.in);
+        int num = input.nextInt();
+        System.out.println((num / 100 + num/10-num/100*10 + num % 10));
+    }
+}