Submission #29083691

Source Code Expand

count = []
for i in range(18):
    num = 9*(10**i)
    count.append(num*(num+1)//2)
ans = 0
n = int(input())
for i in range(len(str(n))-1):
    ans += count[i]

if len(str(n)) == 1:
    print(n*(n+1)//2)
else:
    tmp = n-(10**(len(str(n))-1))+1
    ans += tmp*(tmp+1)//2
    print(ans%998244353)

Submission Info

Submission Time
Task C - digitnum
User sakakazu
Language PyPy3 (7.3.0)
Score 300
Code Size 312 Byte
Status AC
Exec Time 71 ms
Memory 61752 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 3
AC × 28
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 71 ms 61740 KiB
sample_02.txt AC 51 ms 61736 KiB
sample_03.txt AC 60 ms 61576 KiB
test_01.txt AC 52 ms 61624 KiB
test_02.txt AC 51 ms 61704 KiB
test_03.txt AC 54 ms 61388 KiB
test_04.txt AC 50 ms 61476 KiB
test_05.txt AC 54 ms 61528 KiB
test_06.txt AC 50 ms 61684 KiB
test_07.txt AC 52 ms 61628 KiB
test_08.txt AC 52 ms 61752 KiB
test_09.txt AC 52 ms 61624 KiB
test_10.txt AC 49 ms 61504 KiB
test_11.txt AC 53 ms 61448 KiB
test_12.txt AC 52 ms 61732 KiB
test_13.txt AC 52 ms 61692 KiB
test_14.txt AC 50 ms 61572 KiB
test_15.txt AC 51 ms 61628 KiB
test_16.txt AC 50 ms 61632 KiB
test_17.txt AC 50 ms 61576 KiB
test_18.txt AC 52 ms 61484 KiB
test_19.txt AC 52 ms 61644 KiB
test_20.txt AC 52 ms 61656 KiB
test_21.txt AC 56 ms 61552 KiB
test_22.txt AC 51 ms 61652 KiB
test_23.txt AC 50 ms 61396 KiB
test_24.txt AC 51 ms 61568 KiB
test_25.txt AC 53 ms 61624 KiB