Hello, Codeforces!

We are pleased to announce that NFC-OI Round 1 will be held on Luogu. This is the first contest organized by NFC-OI. Please note that only Chinese problem statements will be provided for this round; you may use translation tools to participate. All participants are warmly welcome!

• Contest URL: https://www.luogu.com.cn/contest/293448
• Start Time: 2026.02.14 08:30(UTC+8)
• Duration: 210 minutes
• System: IOI
• Difficulty: easier than CF div.3
• Staffs: So_noSlack, hyf719346, andwy6, b1tset
• Score distribution: 100-100-100-100-100

We are looking forward to your participation!

• A tutorial on using Luogu (Please note that #pragma GCC optimize is temporarily banned for some reason on Luogu.)
• A brief introduction to Chinese NOI