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tk22NguyenDucSon
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Contests written:
1
Min. rating:
1408
Max rating:
1408
Rating
1408
Problems
261
Points
17481
Rating #
1742
Points #
2839
Nguyễn Đức Sơn. (THCS Trần Hưng Đạo.)
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Tôi không phải là sondepzai mà là tknguyenducson
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