14901490 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 1162:CS203 2024 Fall Lab 1
Contest 1186:CS203 2025 Fall Lab 1 Complexity + Binary Search
Contest 1135:CS203 2023 Fall Lab 1 Complexity + Binary Search