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problems / grindr

66. 0 Feet Away

HardAcceptance: 31%

The profile says 0 feet away, and after a brief investigation that's because he's your neighbor. Or your barista. Or he deadlifts two racks over on Tuesdays. The app has just collapsed the buffer between your online and IRL worlds. Handle the proximity without making either world weird.

inputdistance: 0 feet. context: he has watched you carry groceries.22:04
wrong answerInstant block and permanent mailbox eye-contact avoidance (you've started a cold war over nothing), or screenshotting his profile for the group chat (a betrayal of grid confidentiality — the one sacred rule).✗ not delivered
accepted"Well. The algorithm has decided we should finally meet. I'm the guy from 3B who nearly dropped his groceries last week — hi. Zero pressure either way, but if you ever want that coffee, you already know I'm nearby."read 22:09 ✓✓

Constraints

Hints

  1. The awkwardness is perfectly symmetric: he saw you too. Whoever names it first with humor controls the tone for both of you.
  2. Some people's grid life and street life are separated for load-bearing reasons. Treat that boundary as structural, not decorative.
  3. Best case: a date with zero commute. Worst case: a neighbor who nods knowingly and accepts your packages. Both outcomes beat the cold war.

Editorial

The 0-feet encounter is the grid's hardest problem because it breaks the app's core abstraction: the grid and the street are supposed to be separate namespaces, and suddenly they've collided in the lobby. Read the full editorial →

Practice this problem → All 68 problems