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목록roudn 420 (1)
[Round#420 Div.2] E. Okabe and El Psy Kongroo
http://codeforces.com/contest/821/problem/E E. Okabe and El Psy Kongrootime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputOkabe likes to take walks but knows that spies from the Organization could be anywhere; that's why he wants to know how many different walks he can take in his city safely. Okabe's city can be represented as all points (x, y)..
Algorithm/CodeForces
2017. 6. 26. 21:25