Jiro

ABC 371
All Problems

Problem 45 of 50

Easy

What to do

Three brothers A, B, C have their ages compared in 3 pairs: A vs B, A vs C, B vs C. Each comparison is '<' (first is younger) or '>' (first is older). Determine which brother is the second oldest and return 'A', 'B', or 'C'.

Key Concepts

if-statements comparison operators conditional logic

Examples

Input: relations = '< < <'

Output: B

Input: relations = '< < >'

Output: C

LeetCode Playground View on AtCoder

Tips for Beginners

  • Focus on understanding the logic, not memorizing syntax
  • Use print statements to debug your code
  • Don't worry about input parsing - the function handles that for you
  • If stuck, try writing out your solution on paper first

Python Editor

Loading Python...