Submission #1966994

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Source Code Expand

N = int(input())
T = list(map(int,input().split()))
A = list(map(int,input().split()))
MOD = 10**9+7

ans = 1
for i in range(N):
    fixed = -1
    if i == 0 or T[i-1] < T[i]:
        fixed = T[i]
    if i == N-1 or A[i+1] < A[i]:
        if fixed > 0 and fixed != A[i]:
            print(0)
            exit()
        fixed = A[i]
    if fixed < 0:
        ans = (ans * min(T[i],A[i])) % MOD
print(ans)

Submission Info

Judge Result