Oleksandr Kozlov
kai977
Ukraine
Joined Dec 28, 2007
Problems1668
Submissions1833
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kai977 solved problem Wall (#886) on first attempt6 months ago
kai977 solved problem Substring (#2356) on 3 attempt6 months ago
kai977 solved problem Substrings-3 (#5094) on 4 attempt6 months ago
kai977 has joined contest Eolymp Cup #29 months ago
kai977 solved problem Interesting polygon (#3532) on first attempt12 months ago
kai977 solved problem Night at Nicholas (#512) on first attempt16 years ago