Difference between revisions of "Training 3: FFT and Polynomial"
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NTT。 | NTT。 | ||
| − | [[题解]] | + | [[http://xiejiadong.com/?p=560 题解]] |
== Problem D == | == Problem D == | ||
Revision as of 13:17, 4 May 2019
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
Unsolved.
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
Unsolved.
Problem H
Unsolved.