ZOJ - 4068 Airdrop （思維）（The 2018 ACM-ICPC Asia Qingdao Regional Contest - K）

Airdrop Time Limit: 2 Seconds      Memory Limit: 65536 KB PUBG is a multiplayer online battle royale video game. In the game, up to one hundred players parachute onto an island and scavenge for weapon

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