NCPC25 finished

src/test/java/ATest.java

@@ -0,0 +1,39 @@
+import com.kattis.ncpc25.log.rider.A;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class ATest {
+    @Test
+    public void ATests()
+    {
+        assertTrue(test(-4));
+        assertTrue(test(57));
+        assertTrue(test(-302));
+        assertTrue(test(476));
+        assertTrue(test(999));
+        assertTrue(test(-999));
+        assertTrue(test(0));
+    }
+
+    public boolean test(int in)
+    {
+        int[] nums = A.getComponents(in);
+        int num = nums[0] + nums[1];
+        if(nums[0] == 0 || nums[1] == 0){
+            System.out.println("etleast one is 0");
+            System.out.println(in + " = " + nums[0] + " + " + nums[1]);
+            return false;
+        }
+        if((""+Math.abs(nums[0])).length() >= 4 || (""+Math.abs(nums[1])).length() >= 4){
+            System.out.println(in + " = " + nums[0] + " + " + nums[1]);
+            return false;
+        }
+        if(num != in)
+        {
+            System.out.println(in + " = " + nums[0] + " + " + nums[1]);
+            return false;
+        }
+        return true;
+    }
+}