DeepSeek LeetCode 3686. 稳定子序列的数量 Rust实现
rust
impl Solution {pub fn count_stable_subsequences(nums: Vec<i32>) -> i32 {const MOD: i64 1_000_000_007;// dp[p][c]:// p: 0偶数, 1奇数// c: 0末尾连续长度为1, 1末尾连续长度为2let mut dp [[0i64; 2]; 2];for &num in nums.iter() {let p (num &a…