Merge pull request youngyangyang04#443 from jojoo15/patch-37

youngyangyang04 · web-flow · commit d6770c07e3e0 · 2021-06-28T15:23:54.000+08:00
优化 0062不同路径 python3版本
diff --git a/problems/0062.不同路径.md b/problems/0062.不同路径.md
@@ -279,9 +279,7 @@ Python：
 ```python
 class Solution: # 动态规划
     def uniquePaths(self, m: int, n: int) -> int:
-        dp = [[0 for i in range(n)] for j in range(m)]
-        for i in range(m): dp[i][0] = 1
-        for j in range(n): dp[0][j] = 1
+        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]
