A web tool that aggregates accepted submissions across LeetCode, Codeforces, and AtCoder by username and date range. Displays problem details including difficulty, topics, and direct links in a structured table with copy-to-clipboard, CSV, and Excel export options. Built with Express.js and vanilla frontend — no frameworks needed.
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Fetch competitive programming submissions from LeetCode, Codeforces, and AtCoder and generate exportable reports.
Node.jsExpressJavaScriptLeetCode APICodeforces APIAtCoder APIREST APIVercel