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題目來源:POJ 2528 Mayors posters 題意:很多張海報貼在牆上 求可以看到幾張海報 看那兩張圖就行了 第一張俯視圖 思路:最多2W個不
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Problem A Communist regime is trying to redistribute wealth in a village. Th
There is a war and it doesnt look very promising for your country. Now its t