1299D. Around the World
Diamond I
๋น„ํŠธ๋งˆ์Šคํ‚น์กฐํ•ฉ๋ก ๊นŠ์ด ์šฐ์„  ํƒ์ƒ‰๋‹ค์ด๋‚˜๋ฏน ํ”„๋กœ๊ทธ๋ž˜๋ฐ๊ทธ๋ž˜ํ”„ ์ด๋ก ์ˆ˜ํ•™ํŠธ๋ฆฌ๋Ÿฐํƒ€์ž„ ์ „์˜ ์ „์ฒ˜๋ฆฌ+3
Codeforces

์ด ๋ฌธ์ œ์— ๋Œ€ํ•œ ๊ฐ€์ด๋“œ

์•„์ง ์ž‘์„ฑ๋œ ๊ฐ€์ด๋“œ๊ฐ€ ์—†์Šต๋‹ˆ๋‹ค.

์ด ๋ฌธ์ œ๋ฅผ ํฌํ•จํ•˜๋Š” ๋ฌธ์ œ์ง‘