Submission #561965

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
561965	2022-05-14 01:41:08	jh05013	목공 (kriii4_A)	Pypy 3	100 / 100	2369 ms	30420 KiB

A

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MOD = 1092616193
proot = 3
iproot = pow(proot, MOD-2, MOD)
def NTT(N, X, di):
    j = 0
    for i in range(1, N):
        k = N>>1
        while j >= k: j-= k; k>>= 1
        j+= k
        if i<j: X[i], X[j] = X[j], X[i]
    i = 1
    while i < N:
        x = pow(iproot if di else proot, MOD//i>>1, MOD); j = 0
        while j < N:
            y = 1
            for k in range(i):
                z = X[i|j|k]*y%MOD; X[i|j|k]= X[j|k]-z
                if X[i|j|k] < 0: X[i|j|k]+= MOD
                X[j|k]+= z
                if X[j|k] >= MOD: X[j|k]-= MOD
                y = y*x%MOD
            j+= i<<1
        i<<= 1
    if di:
        j = pow(N, MOD-2, MOD)
        for i in range(N): X[i] = X[i]*j%MOD
def poly_mul(P, Q):
    N = 1
 
 
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• Subtask 1: 4 / 4
• Subtask 2: 96 / 96