#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
a = []
for i in range(___(1)___):
a.append([])
for j in range(10):
a[i].append(0)
for i in range(10):
a[i][0] = 1
a[i][i] = 1
for i in range(___(2)___,10):
for j in range(1,i):
a[i][j] = a[i - 1][j-1] + a[i - 1][j]
from sys import stdout
for i in range(10):
for j in range(i + 1):
stdout.write(str(a[i][j]))
stdout.write(' ')
A.10,2
B.9,2
C.11,2
D.10,1
【答案】:A
【本题解析】
杨辉三角形算法的应用