13461346 SUSTech Online Judge
This problem is in Contest(s) below:
Contest 1114:CS203 2022 Fall Lab 1 Complexity + Binary Search
Contest 1115:CS217 2022 Fall Lab 1 Complexity + Binary Search
Contest 1079:2020 Fall Lab02 Complexity + Binary Search
Contest 1135:CS203 2023 Fall Lab 1 Complexity + Binary Search