D. Delivery Delays - 2019 XCPC Newbie Selection #2 (Nordic Collegiate Programming Contest 2018) - ECNU Online Judge

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A. Altruistic Amphibians B. Baby Bites C. Code Cleanups D. Delivery Delays E. Explosion Exploit F. Firing the Phaser G. Game Scheduling H. House Lawn I. Intergalactic Bidding J. Jumbled String K. King’s Colors