14391439 SUSTech Online Judge
This problem is in Contest(s) below:
Contest 1118:CS203 2022 Fall Lab 3 LinkedList
Contest 1119:CS217 2022 Fall Lab 3 LinkedList
Contest 1098:CS217 2021 Fall Lab 04 LinkedList
Contest 1097:CS203 2021 Fall Lab 04 LinkedList
Contest 1141:CS203 2023 Fall Lab 3 LinkedList