Submission #29927073

Source Code Expand

s = int(input())
appeared = [0] * 1000001
i = 1
while appeared[s] == 0:
    appeared[s] = 1
    if s % 2 == 0:
        s = s // 2
    else:
        s = 3 * s + 1
    i += 1
print(i)

Submission Info

Submission Time
Task B - Collatz Problem
User Pro_ktmr
Language PyPy3 (7.3.0)
Score 200
Code Size 191 Byte
Status AC
Exec Time 69 ms
Memory 69304 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 200 / 200
Status
AC × 3
AC × 12
Set Name Test Cases
Sample s1.txt, s2.txt, s3.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, s1.txt, s2.txt, s3.txt
Case Name Status Exec Time Memory
01.txt AC 69 ms 69132 KiB
02.txt AC 54 ms 69276 KiB
03.txt AC 56 ms 69304 KiB
04.txt AC 56 ms 69068 KiB
05.txt AC 55 ms 69140 KiB
06.txt AC 52 ms 69068 KiB
07.txt AC 55 ms 69160 KiB
08.txt AC 58 ms 69296 KiB
09.txt AC 57 ms 69144 KiB
s1.txt AC 54 ms 69016 KiB
s2.txt AC 56 ms 68976 KiB
s3.txt AC 53 ms 69052 KiB