<reponame>tusikalanse/acm-icpc<filename>ProjectEuler/015.py
'''
Author: tusikalanse
Date: 2021-06-29 01:05:32
LastEditTime: 2021-06-29 01:05:55
LastEditors: tusikalanse
Description: 
FilePath: /atcoder/mnt/e/algo/ProjectEuler/15.py
'''
from math import *
print(factorial(40) // factorial(20) // factorial(20))
'''
Author: tusikalanse
Date: 2021-06-29 01:05:32
LastEditTime: 2021-06-29 01:05:55
LastEditors: tusikalanse
Description: 
FilePath: /atcoder/mnt/e/algo/ProjectEuler/15.py
'''
from math import *
print(factorial(40) // factorial(20) // factorial(20))
Author: tusikalanse Date: 2021-06-29 01:05:32 LastEditTime: 2021-06-29 01:05:55 LastEditors: tusikalanse Description:  FilePath: /atcoder/mnt/e/algo/ProjectEuler/15.py