백준 [ALGORITHM] - 조합 (2407)

2023. 2. 4. 18:06코딩/백준 [ALGORITHM]

반응형
n,m = map(int,input().split(" "))
un = 1
up = 1
for i in range(m,0,-1): 
    un *= i
for j in range(n,n-m,-1):
    up *= j
print(int(up//un))

https://www.acmicpc.net/problem/2407

반응형