Mohab
gravdgr_44
Egypt
Joined May 21, 2023
Problems122
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gravdgr_44 has joined contest Eolymp Cup #15 months ago
gravdgr_44 solved problem New-year tree (#23) on first attempt9 months ago
gravdgr_44 solved problem Cycle shifts (#27) on first attempt10 months ago
gravdgr_44 left a comment in discussion Cycle shifts (#27)10 months ago
hint please ?