QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#547933#8316. Random Permutationhaze#RE 0ms0kbPython3132b2024-09-05 13:28:072024-09-05 13:28:08

Judging History

你现在查看的是最新测评结果

  • [2024-09-05 13:28:08]
  • 评测
  • 测评结果:RE
  • 用时:0ms
  • 内存:0kb
  • [2024-09-05 13:28:07]
  • 提交

answer

import pandas as pd
n = int(input())

ans = 1
for i in range(1, n + 1):
    ans = ans * i * i / n
print("{:.10f}".format(ans))

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 0
Dangerous Syscalls

input:

2

output:


result: