# 반복문을 통한 조합 생성
N = 10
for i in range(N):
for j in range(i+1,N):
for k in range(j+1,N):
print(i,j,k)
# 재귀를 이용한
def nCr(s,c,e):
if c == r:
print(*comb)
return
else:
for i in range(s,n):
comb[c] = A[i]
nCr(i+1,c+1,e)
n = 10
r = 3
comb = [0]*3
A = [i for i in range(n)]
nCr(0,0,n)