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Joined on Jan 7, 2017
Problems by shourov.sust
Expected Light Bob has a circular land of radius R. He has built a circular building of radius r (r < R) at the cen... 
Moderate
2/2/3 |
Expected Light Bob has a circular land of radius R. He has built a circular building of radius r (r < R) at the cen...
Moderate
2/2/3 |
