제출 #17981

4
1
2
3
0

1
1
2
2

1
1
2
1

4
0
-1
-2
0

0
-1
-1
0

0
-1
-1
-1

5
-6
7
-8
2
5

-6
-6
-6
2
2

-6
-6
-6
-6
2