Editorial - AtCoder Weekday Contest 0087 Beta

Contest Duration: 2026-06-09 20:00:00+0900 - 2026-06-09 21:00:00+0900 (local time) (60 minutes) Back to Home

Editorial

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A - Meeting on a Number Line

Official GPT 5.4 High by admin
Official gpt-5.3-codex by admin
Official Gemini 3.0 Flash (Thinking) by admin
Official Claude 4.6 Opus (Thinking) by admin
Official GPT 5.4 High by admin
Official gpt-5.3-codex by admin
Official Gemini 3.0 Flash (Thinking) by admin
Official Claude 4.6 Opus (Thinking) by admin
Official 解説 by MMNMM

B - Factory Machine Maintenance

Official Claude 4.6 Opus (Thinking) by admin
Official GPT 5.2 High by admin
Official Gemini 3.0 Flash (Thinking) by admin
Official Qwen3-Coder-480B by admin
Official Claude 4.6 Opus (Thinking) by admin
Official GPT 5.2 High by admin
Official Gemini 3.0 Flash (Thinking) by admin
Official Qwen3-Coder-480B by admin
Official 解説 by MMNMM

C - Shortest Mountain Climbing Route

Official Claude 4.6 Opus (Thinking) by admin
Official GPT 5.2 High by admin
Official Gemini 3.1 Pro (Thinking) by admin
Official Qwen3-Coder-480B by admin
Official Claude 4.6 Opus (Thinking) by admin
Official GPT 5.2 High by admin
Official Gemini 3.1 Pro (Thinking) by admin
Official Qwen3-Coder-480B by admin
Official 解説 by MMNMM

D - Returning Library Books

Official Claude 4.6 Opus (Thinking) by admin
Official GPT 5.2 High by admin
Official Gemini 3.0 Flash (Thinking) by admin
Official Claude 4.6 Opus (Thinking) by admin
Official GPT 5.2 High by admin
Official Gemini 3.0 Flash (Thinking) by admin
Official 解説 by MMNMM

E - Change of Assigned Interval