The document discusses a problem on the Algorithm Competition site acmicpc.net. It references problem 2873 multiple times and includes notes about the problem involving moving from a starting point (1,1) to an end point (R,C) on a grid. It also includes brief mentions of the size of the grid being 2x2 and variables A and B.

1. choi@startlink.io

2. https://www.acmicpc.net/problem/2873
• R
*
C
• (1,
1)
-­‐>
(R,
C)
•
•

3. https://www.acmicpc.net/problem/2873
• R C

4. https://www.acmicpc.net/problem/2873
• R C

5. https://www.acmicpc.net/problem/2873
• R C
• ?

6. https://www.acmicpc.net/problem/2873
•
• (1,
1) (R, C)
• (1,
1) (R,
C) -­‐> -­‐> -­‐>…-­‐> -­‐> -­‐>
• > .
• <
• ,

7. https://www.acmicpc.net/problem/2873
• ,
• ,
• ,

8. https://www.acmicpc.net/problem/2873
• ,
• ,
• ,
• ,
!

9. https://www.acmicpc.net/problem/2873
•
• (1,
1),
(R,
C) ,
• (1, 1) A,
(R,
C) B

10. https://www.acmicpc.net/problem/2873
•
• A
,
• , .
•
• B
•

11. https://www.acmicpc.net/problem/2873
• , 2
•
• 2*2

12. https://www.acmicpc.net/problem/2873

13. https://www.acmicpc.net/problem/2873

14. https://www.acmicpc.net/problem/2873

15. https://www.acmicpc.net/problem/2873

16. https://www.acmicpc.net/problem/2873

17. https://www.acmicpc.net/problem/2873

18. https://www.acmicpc.net/problem/2873

19. https://www.acmicpc.net/problem/2873
• https://gist.github.com/Baekjoon/0b8da2949403e3c5a676