A. Turtle Puzzle: Rearrange and Negate | Codeforces Round 929 (Div. 3) .

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A. Turtle Puzzle: Rearrange and Negate | Codeforces Round 929 (Div. 3) .

A. Turtle Puzzle: Rearrange and Negate | Codeforces Round 929 (Div. 3) .