题解 | #走方格的方案数#
走方格的方案数
https://www.nowcoder.com/practice/e2a22f0305eb4f2f9846e7d644dba09b
def uniquePaths(m: int, n: int) -> int:
dp = [[1 for i in range(n)] for j in range(m)]
for i in range(1, m):
for j in range(1, n):
dp[i][j] = dp[i][j - 1] + dp[i - 1][j]
return dp[m - 1][n - 1]
m, n = map(int,input().split())
print(uniquePaths(m+1,n+1))
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