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rust permutations

Abdelrahman Omar answered on December 31, 2023 Popularity 3/10 Helpfulness 1/10

answer rust permutations

related rust permutations

rust permutations

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fn main() {
    println!("Hello, world!");
    let nums = vec![1, 2, 3];
    println!("{:?}", permute(nums));
    let nums = vec![0, 1];
    println!("{:?}", permute(nums));
}

pub fn permute(nums: Vec<i32>) -> Vec<Vec<i32>> {
    _permute(&nums, 0, vec![])
}

pub fn _permute(nums: &Vec<i32>, idx: usize, mut v: Vec<i32>) -> Vec<Vec<i32>> {
    if idx == nums.len() {
        return vec![v];
    }

    let mut result = vec![];
    for i in 0..nums.len() {
        if !v.contains(&nums[i]) {
            v.push(nums[i]);
            result.extend(_permute(nums, idx + 1, v.clone()));
            v.pop();
        }
    }
    result
}

Popularity 3/10 Helpfulness 1/10 Language whatever

Source: chat.openai.com

Tags: rust whatever

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Contributed on Dec 31 2023

Abdelrahman Omar

0 Answers Avg Quality 2/10

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rust permutations

Comment

fn main() {
    println!("Hello, world!");
    let nums = vec![1, 2, 3];
    println!("{:?}", permute(nums));
    let nums = vec![0, 1];
    println!("{:?}", permute(nums));
}

pub fn permute(nums: Vec<i32>) -> Vec<Vec<i32>> {
    let mut vec = vec![];
    _permute(&nums, &mut vec, 0, vec![]);
    vec
}

pub fn _permute(nums: &Vec<i32>, vec: &mut Vec<Vec<i32>>, idx: usize, mut v: Vec<i32>) {
    if idx == nums.len() {
        vec.push(v);
        return;
    }

    for i in 0..nums.len() {
        if !v.contains(&nums[i]) {
            v.push(nums[i]);
            _permute(nums, vec, idx + 1, v.clone());
            v.pop();
        }
    }
}

Popularity 2/10 Helpfulness 1/10 Language whatever

Source: chat.openai.com

Tags: whatever rust

Link to this answer
Share Copy Link

Contributed on Dec 31 2023

Abdelrahman Omar

0 Answers Avg Quality 2/10

rust permutations

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rust permutations

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