A Non-Palindromic Modification

problem — every listed problem · all sets

internal id
p-822b00cd
appearances
moscow-2021 (moscow-2021) — A
held
not recorded yet
solve online
Codeforces Gym id 104848/A
data
problemsets/moscow-2021.yaml

St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.