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## Frog River One ### ๋ฌธ์ ๊ฐ๊ตฌ๋ฆฌ๊ฐ X ๊น์ง ๊ฐ๊ณ ์ถ์๋ฐ, X๊น์ง ๊ฐ๊ธฐ ์ํด์๋ 1๋ถํฐ X๋ฅผ ๋ชจ๋ ์ง๋๊ฐ์ผ ํ๋ค. ์๋ฅผ ๋ค์ด๋ณด์. ``` ์ด๋ ๊ฒ ๋ฐฐ์ด์ด ์ฃผ์ด์ ธ ์๊ณ A[0] = 1 A[1] = 3 A[2] = 1 A[3] = 4 A[4] = 2 A[5] = 3 A[6] = 5 A[7] = 4 5๊น์ง ๊ฐ๊ณ ์ถ๋ค๊ณ ๊ฐ์ ํ์๋, A[...