1017F. The Neutral Zone
Platinum I
๋ธŒ๋ฃจํŠธํฌ์Šค ์•Œ๊ณ ๋ฆฌ์ฆ˜์ˆ˜ํ•™๊ตฌํ˜„๋น„ํŠธ ์ง‘ํ•ฉ์†Œ์ˆ˜ ํŒ์ •์—๋ผํ† ์Šคํ…Œ๋„ค์Šค์˜ ์ฒด์ •์ˆ˜๋ก 
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‘