Submission #1294468

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Source Code Expand

import itertools


def main():
    n, m = map(int, input().split())

    x = list(map(int, input().split()))
    y = list(map(int, input().split()))

    x_len = 0
    y_len = 0

    for i in range(n):
        x_len += (2 * i - n + 1) * x[i] % (10 ** 9 + 7)
        # print(x_len)

    for j in range(m):
        y_len += (2 * j - m + 1) * y[j] % (10 ** 9 + 7)
        # print(y_len)

    print(x_len * y_len % (10 ** 9 + 7))


if __name__ == '__main__':
    main()

Submission Info

Judge Result