diff --git a/problems/0062.不同路径.md b/problems/0062.不同路径.md index bf436369..2ca15726 100644 --- a/problems/0062.不同路径.md +++ b/problems/0062.不同路径.md @@ -395,21 +395,14 @@ function uniquePaths(m: number, n: number): number { ```Rust impl Solution { pub fn unique_paths(m: i32, n: i32) -> i32 { - let m = m as usize; - let n = n as usize; - let mut dp = vec![vec![0; n]; m]; - for i in 0..m { - dp[i][0] = 1; + let (m, n) = (m as usize, n as usize); + let mut dp = vec![vec![1; n]; m]; + for i in 1..m { + for j in 1..n { + dp[i][j] = dp[i - 1][j] + dp[i][j - 1]; } - for j in 0..n { - dp[0][j] = 1; - } - for i in 1..m { - for j in 1..n { - dp[i][j] = dp[i-1][j] + dp[i][j-1]; - } - } - dp[m-1][n-1] + } + dp[m - 1][n - 1] } } ```