Amex, Recently Asked Online Assessments in 2026 | Interesting Time Points & Longest String Amex Campus 2026 | Coding Assessment | Complete Solutions & Tips | Greedy Strings & Time Simulation

Task 1: Interesting Points in Time Problem Statement: (Context: A point in time is considered "interesting" if it uses at most two distinct digits.) ...can be displayed using only 0, but 15:45:14 is not, due to the fact that more than two distinct digits are used. Note that delimiter character ':' is permanently printed onto clock's display and doesn't count as one of displayed digits. Your task is to count interesting points in time in a given period of time. ...