题解 | 杨辉三角

# nooby51 杨辉三角形
n = int(input())
edata = [[0 for j in range(n)] for i in range(n)]
edata[0][0] = 1
# 注意越界问题
for i in range(n):
    for j in range(i + 1):
        if i == 0:
            continue
        elif j - 1 < 0:
            edata[i][j] = edata[i - 1][j]
        else:
            edata[i][j] = edata[i - 1][j - 1] + edata[i - 1][j]

for i in range(n):
    chuli = ""
    for j in range(i + 1):
        chuli = chuli + str(edata[i][j]) + " "
    print(chuli)