Hack
http://yukicoder.me/problems/no/413double って勝手に近い方に丸めちゃうんですね... 例えば a.99999.. だと、整数にキャストする際 a + 1 になるようだ void solve(){ for( int i = ( int ) 1e8; i < ( int ) 1e8 + 1e5; ++i ) cout << 1LL * i * i + i -…
#131792 No.445 得点 - yukicoder なんで EPS つけないと最後のケースが落ちると分かるんだろう... 知りたいのはそのケースの作り方だ ._.
Many people are familiar with hash algorithms on string because they are easy to write. However, not many are really aware of the probability of collision. Like me, I had always thought the probability of collision is ( 1 / MOD ), and I ha…