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Codeforces 877D. Olya and Energy Drinks BFS+并查集

Olya loves energy drinks. She loves them so much that her room is full of empty cans from energy drinks. Formally, her

Olya CodeForces BFS Drinks Energy

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题干： The main city magazine offers its readers an opportunity to publish their ads. The format of the ad shou

答案 CodeForces AD Magazine

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D. Magazine Ad time limit per test 1 second memory limit per test 256 megabytes input standard input output standard out

贪心 CodeForces AD Magazine

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