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repost Spectral::Cup 2026 Round 2 (Codeforces Round, Div. 1 + Div. 2)

Spectral::Cup 2026 Round 2 (Codeforces Round, Div. 1 + Div. 2) Codeforces competitive programming contest: Spectral::Cup 2026 Round 2 (Codeforces Round, Div. 1 + Div. 2). Duration: 3h 0m. Participants solve algorithmic problems under time pressure.