Submission #29100561

Source Code Expand

n = int(input())
L = 998244353


def f(x):
    if len(str(x)) == 1:
        return x
    else:
        return x + 1 - pow(10, (len(str(x)) - 1))


if len(str(n)) == 1:
    print(int(f(n) * (f(n) + 1) / 2))
else:
    ans = 0
    for i in range(1, len(str(n))):
        if i == 1:
            ans += 45
        else:
            tmp = (45 * (pow(10, i - 2) % L) % L) * (9 * (pow(10, i - 1) % L) % L + 1)
            ans += tmp % L
            # print(tmp)
            ans %= L
    t = f(n)
    if t % 2 == 0:
        ans += ((int(t / 2) % L) * ((t + 1) % L)) % L
    else:
        ans += ((t % L) * (int((t + 1) / 2) % L)) % L
        # ans += (t * (t + 1)) / 2
    print(ans % L)

Submission Info

Submission Time
Task C - digitnum
User gae1202
Language Python (3.8.2)
Score 0
Code Size 709 Byte
Status WA
Exec Time 23 ms
Memory 9144 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 300
Status
AC × 3
AC × 21
WA × 7
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All sample_01.txt, sample_02.txt, sample_03.txt, test_01.txt, test_02.txt, test_03.txt, test_04.txt, test_05.txt, test_06.txt, test_07.txt, test_08.txt, test_09.txt, test_10.txt, test_11.txt, test_12.txt, test_13.txt, test_14.txt, test_15.txt, test_16.txt, test_17.txt, test_18.txt, test_19.txt, test_20.txt, test_21.txt, test_22.txt, test_23.txt, test_24.txt, test_25.txt
Case Name Status Exec Time Memory
sample_01.txt AC 18 ms 9112 KiB
sample_02.txt AC 17 ms 8988 KiB
sample_03.txt AC 18 ms 9068 KiB
test_01.txt AC 16 ms 8884 KiB
test_02.txt AC 18 ms 8972 KiB
test_03.txt AC 17 ms 9084 KiB
test_04.txt AC 17 ms 9064 KiB
test_05.txt AC 19 ms 9000 KiB
test_06.txt AC 17 ms 9068 KiB
test_07.txt AC 17 ms 9140 KiB
test_08.txt AC 23 ms 8980 KiB
test_09.txt AC 18 ms 8888 KiB
test_10.txt AC 20 ms 8976 KiB
test_11.txt AC 17 ms 8892 KiB
test_12.txt WA 17 ms 8936 KiB
test_13.txt AC 19 ms 9004 KiB
test_14.txt AC 19 ms 8984 KiB
test_15.txt AC 17 ms 8884 KiB
test_16.txt AC 17 ms 9144 KiB
test_17.txt AC 17 ms 9144 KiB
test_18.txt WA 16 ms 8888 KiB
test_19.txt WA 17 ms 8836 KiB
test_20.txt WA 17 ms 9004 KiB
test_21.txt AC 18 ms 8972 KiB
test_22.txt WA 18 ms 8964 KiB
test_23.txt WA 17 ms 9140 KiB
test_24.txt WA 21 ms 8968 KiB
test_25.txt AC 18 ms 9064 KiB