Update 背包理论基础01背包-1.md about rust

problems/背包理论基础01背包-1.md

@@ -573,6 +573,39 @@ object Solution {
 }
 ```
 
+### Rust
+
+```rust
+pub struct Solution;
+
+impl Solution {
+    pub fn wei_bag_problem1(weight: Vec<usize>, value: Vec<usize>, bag_size: usize) -> usize {
+        let mut dp = vec![vec![0; bag_size + 1]; weight.len()];
+        for j in weight[0]..=weight.len() {
+            dp[0][j] = value[0];
+        }
+
+        for i in 1..weight.len() {
+            for j in 0..=bag_size {
+                match j < weight[i] {
+                    true => dp[i][j] = dp[i - 1][j],
+                    false => dp[i][j] = dp[i - 1][j].max(dp[i - 1][j - weight[i]] + value[i]),
+                }
+            }
+        }
+        dp[weight.len() - 1][bag_size]
+    }
+}
+
+#[test]
+fn test_wei_bag_problem1() {
+    println!(
+        "{}",
+        Solution::wei_bag_problem1(vec![1, 3, 4], vec![15, 20, 30], 4)
+    );
+}
+```
+
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