#
# 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可
#
#
# @param m int整型
# @param n int整型
# @return int整型
#
class Solution:
def uniquePaths(self , m: int, n: int) -> int:
# write code here
dp = [[1]*n for _ in range(m)]
for i in range(1, m):
for j in range(1, n):
dp[i][j] = dp[i-1][j] + dp[i][j-1]
return dp[-1][-1]



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