Another Query on Array Problem

problem — every listed problem · all sets

internal id
p-d6a352e1
uuid
4cdb4b18-1465-4b4e-b649-6358af82f69c
short name
queryonarray
appearances
vietnam-national-2017 (vietnam-national-2017)
held
not recorded yet
solve online
Kattis id queryonarray
data
problemsets/vietnam-national-2017.yaml

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