StuTan

Calabash and LandlordProblem DescriptionCalabash is the servant of a landlord. The landlord owns a piece of land, which can be regarded as an infinite 2D plane.One day the landlord set up two ortho...

Quailty and CCPCProblem DescriptionConsidering the overall difficulty of other problems, we invite Quailty to propose an easy problem for this contest.Quailty accidentally won both gold medal and s...

Roundgod and Milk TeaProblem DescriptionRoundgod is a famous milk tea lover at Nanjing University second to none. This year, he plans to conduct a milk tea festival. There will be n classes particip...