BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//DMOJ//NONSGML Contests Calendar//
BEGIN:VEVENT
SUMMARY:[CHẤM THỬ] TS Lớp 10 2026 Chuyên Tin - Lào Cai
DTSTART:20260528T170000Z
DTEND:20260630T050000Z
DTSTAMP:20260610T125302Z
UID:contest-ts10cntt_2026@contest.cyboj.ddns.net
LOCATION:https://contest.cyboj.ddns.net/contest/ts10cntt_2026
END:VEVENT
END:VCALENDAR