Training 3: FFT and Polynomial

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Problem A

Solved by Xiejiadong.

Problem from BZOJ4827.

FFT

[题解]

Problem B

Solved by Xiejiadong.

Problem from CF622F.

拉格朗日插值法。

[题解]

Problem C

Solved by Xiejiadong.

Problem form Codeforces1096G.

NTT。

[题解]

Problem D

Unsolved.

Problem E

Solved by Xiejiadong.

Problem from Codeforces528D.

FFT.

[题解]

Problem F

Solved by Xiejiadong.

Problem from HDU1402.

超大数 $a\times b$ 。

看作多项式乘法,FFT模版题。

注意 $0\times a$ 的情况。

Problem G

Solved by Xiejiadong.

Problem from HDU4609.

FFT。

[题解]

Problem H

Solved by Xiejiadong.

Problem from HDU6061.

NTT。

[题解]