题解 | 杨辉三角
杨辉三角
https://www.nowcoder.com/practice/8c6984f3dc664ef0a305c24e1473729e
n = int(input())
prev_row = []
for i in range(n):
row = [1] * (i + 1)
for j in range(1, i):
row[j] = prev_row[j-1] + prev_row[j]
print(' '.join(map(str, row)))
prev_row = row
