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On ko_osaga → Hello 2020 Editorial, 7 years ago
0

How to count different quadrilaterals in problem E?
+3

38063984 this passed

1000000 500000
1000000 1
1 2
2 3
...
499998 499999
499999 500000
499999 500001
...
499999 999999
+5

China, Northwestern Polytechnical University, 2013300262, usekey, pr0grammer
0

thanks a lot!

633F - The Chocolate Spree misled me

16485128 this n^2 solution passed
0

but why this one got TLE ? 16416141

i think it's also nlogn