This returns a vector each element of which is squared and then whole vector is sorted in non-decreasing order

Seems not so efficient

Why do you have the limit on the length of the vector? One thing to note is that you don't have to create a new vector. You can modify the one you got:

pub fn sorted_squares(mut nums: Vec<i32>) -> Vec<i32> {
    for val in &mut nums {
        let current_value = *val;
        *val = current_value * current_value;

Thanks, that limit is due to restriction/constrain in question

this for loop and not making another vector causes it to be 4ms faster :slight_smile:

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