diff options
Diffstat (limited to 'other/jump_game3.rs')
-rw-r--r-- | other/jump_game3.rs | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/other/jump_game3.rs b/other/jump_game3.rs deleted file mode 100644 index a973fad..0000000 --- a/other/jump_game3.rs +++ /dev/null @@ -1,35 +0,0 @@ -use std::collections::VecDeque; -struct Solution; - -impl Solution { - pub fn can_reach(arr: Vec<i32>, start: i32) -> bool { - let mut arr = arr; - let mut vd: VecDeque<i32> = VecDeque::with_capacity(arr.len()); - vd.push_back(start); - while let Some(front) = vd.pop_front() { - match arr[front as usize].cmp(&0) { - std::cmp::Ordering::Less => continue, - std::cmp::Ordering::Equal => return true, - std::cmp::Ordering::Greater => { - if front - arr[front as usize] >= 0 { - vd.push_back(front - arr[front as usize]); - } - if front + arr[front as usize] < arr.len() as i32 { - vd.push_back(front + arr[front as usize]); - } - arr[front as usize] = -1; - } - } - } - false - } -} - -fn main() { - let arr1 = vec![4,2,3,0,3,1,2]; - let arr2 = vec![4,2,3,0,3,1,2]; - let arr3 = vec![3,0,2,1,2]; - println!("{}", Solution::can_reach(arr1, 5)); //true - println!("{}", Solution::can_reach(arr2, 0)); //true - println!("{}", Solution::can_reach(arr3, 2)); //false -} |