Submission #2249535

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Source Code Expand

N, K = [int(i) for i in input().split()]

if K == 0:
    print(N * N)
else:
    count = 0
    for i in range(K + 1, N + 1):
        amari = N % i
        warikiriru = N - amari

        count += warikiriru - int(warikiriru / i) - int(warikiriru / i) * (K - 1)
        # print("w", warikiriru - int(warikiriru / i) - int(warikiriru / i) * (K - 1))
        if amari >= K:
            count += amari - (K - 1)
            # print("a", amari - (K - 1))

    print(count)

Submission Info

Judge Result