Technical Screen

Phone Screen with Spiral Matrix and a Blocker Follow-up

TemuSoftware Engineer · Technical Screen · Sep 2026

I just finished my Temu phone screen. First round (coding): The problem was a variant of a 2D matrix problem. Part one: given an m x n matrix, output all the values in the matrix in spiral order (clockwise, from the outside in). It's a classic, similar to LC 54 Spiral Matrix. Follow-up: what if the matrix has some blockers (obstacles)? During the traversal, whenever you hit a blocker you have to…

Shared by a candidate · reported Sep 2026. Interview formats change; use it as a guide, not a script.