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Update 0279.完全平方数.md about Rust
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@ -345,6 +345,29 @@ function numSquares(n: number): number {
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};
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```
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Rust:
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```rust
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// 先遍历背包
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impl Solution {
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pub fn num_squares(n: i32) -> i32 {
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let n = n as usize;
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let mut dp = vec![i32::MAX; n + 1];
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dp[0] = 0;
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for i in 0..=n {
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let mut j = 1;
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loop {
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match j * j > i {
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true => break,
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false => dp[i] = dp[i].min(dp[i - j * j] + 1),
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}
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j += 1;
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}
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}
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dp[n]
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}
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}
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```
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<p align="center">
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