diff --git a/storage/zeta/rs/completed/1022.rs b/storage/zeta/rs/completed/1022.rs
new file mode 100644
index 0000000..c35291a
--- /dev/null
+++ b/storage/zeta/rs/completed/1022.rs
@@ -0,0 +1,56 @@
+use std::{cmp::max, io::stdin};
+
+fn get_value(r: i32, c: i32) -> i32 {
+    let d = max(r.abs(), c.abs());
+
+    if d == 0 {
+        return 1;
+    }
+
+    let prev_max = (2 * d - 1) * (2 * d - 1);
+
+    if c == d && r < d {
+        prev_max + (d - r)
+    } else if r == -d {
+        prev_max + 2 * d + (d - c)
+    } else if c == -d {
+        prev_max + 4 * d + (r + d)
+    } else {
+        prev_max + 6 * d + c + d
+    }
+}
+
+fn main() {
+    let mut line = String::new();
+    stdin().read_line(&mut line).unwrap();
+    let mut iter = line
+        .split_ascii_whitespace()
+        .map(|x| x.parse::<i32>().unwrap());
+
+    let (r1, c1, r2, c2) = (
+        iter.next().unwrap(),
+        iter.next().unwrap(),
+        iter.next().unwrap(),
+        iter.next().unwrap(),
+    );
+
+    let mut spiral = vec![vec![0; (c2 - c1 + 1) as usize]; (r2 - r1 + 1) as usize];
+    let mut max_v = 0;
+    for i in r1..=r2 {
+        for j in c1..=c2 {
+            let v = get_value(i, j);
+            max_v = max(max_v, v);
+            spiral[(i - r1) as usize][(j - c1) as usize] = v;
+        }
+    }
+
+    let offset = max_v.to_string().len();
+
+    for i in 0..(r2 - r1 + 1) as usize {
+        for j in 0..(c2 - c1) as usize {
+            print!("{:width$} ", spiral[i][j], width = offset);
+        }
+        print!("{:width$}", spiral[i][(c2 - c1) as usize], width = offset);
+        println!();
+    }
+}
diff --git a/storage/zeta/rs/completed/1264.rs b/storage/zeta/rs/completed/1264.rs
new file mode 100644
index 0000000..7c47763
--- /dev/null
+++ b/storage/zeta/rs/completed/1264.rs
@@ -0,0 +1,25 @@
+use std::io::stdin;
+
+fn main() {
+    let mut line = String::new();
+
+    loop {
+        line.clear();
+        stdin().read_line(&mut line).unwrap();
+
+        let s = line.chars().collect::<Vec<char>>();
+        if s[0] == '#' {
+            break;
+        }
+        let cnt = s
+            .iter()
+            .map(|x| x.to_ascii_lowercase())
+            .filter(|x| match x {
+                'a' | 'e' | 'i' | 'o' | 'u' => true,
+                _ => false,
+            })
+            .count();
+
+        println!("{}", cnt);
+    }
+}
diff --git a/storage/zeta/rs/completed/1318.rs b/storage/zeta/rs/completed/1318.rs
new file mode 100644
index 0000000..eaef6b0
--- /dev/null
+++ b/storage/zeta/rs/completed/1318.rs
@@ -0,0 +1,39 @@
+const PKR_RANKS: [u64; 12] = [
+    6_612_900, // TOP
+    9_730_740, // ONE_PAIR
+    2_532_816, // TWO_PAIR
+    0_732_160, // TRIPLE
+    0_282_060, // ST
+    0_039_780, // BST
+    0_039_780, // MT
+    0_205_976, // F
+    0_165_984, // FH
+    0_014_664, // FC
+    0_001_472, // SF
+    0_000_188, // RSF
+];
+
+const PKR_TOT: u64 = {
+    let mut s = 0;
+    let mut i = 0;
+    while i < PKR_RANKS.len() {
+        s += PKR_RANKS[i];
+        i += 1;
+    }
+    s
+};
+
+fn gcd(a: u64, b: u64) -> u64 {
+    if b == 0 {
+        a
+    } else {
+        gcd(b, a % b)
+    }
+}
+
+fn main() {
+    for &cnt in PKR_RANKS.iter() {
+        let g = gcd(PKR_TOT, cnt);
+        println!("{}/{}", cnt / g, PKR_TOT / g);
+    }
+}
diff --git a/storage/zeta/rs/completed/14315.rs b/storage/zeta/rs/completed/14315.rs
new file mode 100644
index 0000000..e7afcc4
--- /dev/null
+++ b/storage/zeta/rs/completed/14315.rs
@@ -0,0 +1 @@
+fn main(){let s=std::io::read_to_string(std::io::stdin()).unwrap();let mut i=s.split_whitespace().flat_map(str::parse::<u64>);for j in 1..=i.next().unwrap(){let p=i.next().unwrap().min(i.next().unwrap());println!("Case #{j}: {}",p*p+p>>1)}}
\ No newline at end of file
diff --git a/storage/zeta/rs/completed/17204.rs b/storage/zeta/rs/completed/17204.rs
new file mode 100644
index 0000000..2ddb19d
--- /dev/null
+++ b/storage/zeta/rs/completed/17204.rs
@@ -0,0 +1,45 @@
+use std::io::{read_to_string, stdin};
+
+fn main() {
+    let temp = read_to_string(stdin()).unwrap();
+    let mut iter = temp
+        .split_ascii_whitespace()
+        .map(|x| x.parse::<usize>().unwrap());
+    let (n, k) = (iter.next().unwrap(), iter.next().unwrap());
+
+    let mut edges = vec![0; n];
+    let mut flg = false;
+    (0..n).for_each(|i| {
+        let nxt = iter.next().unwrap();
+        edges[i] = nxt;
+        if nxt == k {
+            flg = true;
+        }
+    });
+
+    if !flg {
+        println!("{}", -1);
+        return;
+    }
+
+    let mut curr = 0;
+    let mut nxt;
+    let mut vis = vec![false; n];
+    let mut m = 0;
+    'a: loop {
+        if vis[curr] {
+            m = -1;
+            break;
+        } else {
+            vis[curr] = true;
+        }
+        if curr == k {
+            break 'a;
+        }
+        nxt = edges[curr];
+
+        curr = nxt;
+        m += 1;
+    }
+    println!("{}", m);
+}
diff --git a/storage/zeta/rs/completed/25208.rs b/storage/zeta/rs/completed/25208.rs
new file mode 100644
index 0000000..7aa5560
--- /dev/null
+++ b/storage/zeta/rs/completed/25208.rs
@@ -0,0 +1,217 @@
+use std::{cmp::min, collections::VecDeque, io::stdin};
+
+#[derive(Clone, Copy, PartialEq)]
+pub enum Cell {
+    Empty,
+    Wall,
+    Detective,
+    Robber,
+}
+
+impl Cell {
+    fn from_char(c: char) -> Self {
+        match c {
+            '#' => Cell::Wall,
+            '.' => Cell::Empty,
+            'D' => Cell::Detective,
+            'R' => Cell::Robber,
+            _ => Cell::Empty,
+        }
+    }
+}
+
+#[derive(Clone, Copy, PartialEq)]
+pub enum JailState {
+    OpenBelow,
+    OpenNorth,
+    OpenSouth,
+    OpenWest,
+    OpenEast,
+    OpenAbove,
+}
+
+impl JailState {
+    pub fn to_index(&self) -> usize {
+        match self {
+            Self::OpenBelow => 0,
+            Self::OpenNorth => 1,
+            Self::OpenSouth => 2,
+            Self::OpenWest => 3,
+            Self::OpenEast => 4,
+            Self::OpenAbove => 5,
+        }
+    }
+}
+#[derive(Clone, Copy)]
+pub enum Direction {
+    North,
+    West,
+    East,
+    South,
+}
+
+impl Direction {
+    pub fn value(&self) -> (isize, isize) {
+        match self {
+            Self::North => (-1, 0),
+            Self::West => (0, -1),
+            Self::East => (0, 1),
+            Self::South => (1, 0),
+        }
+    }
+}
+
+pub struct Jail {
+    state: JailState,
+    pos: (usize, usize),
+}
+
+impl Jail {
+    pub fn roll(&self, dir: Direction) -> Self {
+        let next_pos = (
+            (self.pos.0 as isize + dir.value().0) as usize,
+            (self.pos.1 as isize + dir.value().1) as usize,
+        );
+        let next_state = match self.state {
+            JailState::OpenBelow => match dir {
+                Direction::East => JailState::OpenWest,
+                Direction::North => JailState::OpenSouth,
+                Direction::South => JailState::OpenNorth,
+                Direction::West => JailState::OpenEast,
+            },
+            JailState::OpenAbove => match dir {
+                Direction::East => JailState::OpenEast,
+                Direction::North => JailState::OpenNorth,
+                Direction::South => JailState::OpenSouth,
+                Direction::West => JailState::OpenWest,
+            },
+            JailState::OpenEast => match dir {
+                Direction::East => JailState::OpenBelow,
+                Direction::West => JailState::OpenAbove,
+                Direction::North | Direction::South => JailState::OpenEast,
+            },
+            JailState::OpenNorth => match dir {
+                Direction::North => JailState::OpenBelow,
+                Direction::South => JailState::OpenAbove,
+                Direction::East | Direction::West => JailState::OpenNorth,
+            },
+            JailState::OpenSouth => match dir {
+                Direction::South => JailState::OpenBelow,
+                Direction::North => JailState::OpenAbove,
+                Direction::East | Direction::West => JailState::OpenSouth,
+            },
+            JailState::OpenWest => match dir {
+                Direction::West => JailState::OpenBelow,
+                Direction::East => JailState::OpenAbove,
+                _ => JailState::OpenWest,
+            },
+        };
+        Self {
+            state: next_state,
+            pos: next_pos,
+        }
+    }
+}
+
+fn find_minimum_rolls_to_catch_robber(n: usize, m: usize, field: &Vec<Vec<Cell>>) -> isize {
+    let (d_pos, r_pos) = {
+        let mut d = (0, 0);
+        let mut r = (0, 0);
+        for i in 0..n {
+            for j in 0..m {
+                if field[i][j] == Cell::Detective {
+                    d = (i, j);
+                } else if field[i][j] == Cell::Robber {
+                    r = (i, j);
+                }
+            }
+        }
+        (d, r)
+    };
+
+    let mut deq: VecDeque<(usize, Jail)> = VecDeque::new();
+    let mut vis: Vec<Vec<Vec<bool>>> = vec![vec![vec![false; 6]; m]; n];
+    deq.push_back((
+        0,
+        Jail {
+            state: JailState::OpenBelow,
+            pos: d_pos,
+        },
+    ));
+
+    let mut minima = usize::MAX;
+    while !deq.is_empty() {
+        let (step, jail) = deq.pop_front().unwrap();
+        let pos = jail.pos;
+
+        if field[pos.0][pos.1] == Cell::Robber {
+            if jail.state == JailState::OpenBelow {
+                minima = min(minima, step);
+            } else {
+                continue;
+            }
+        }
+
+        if vis[pos.0][pos.1][jail.state.to_index()] {
+            continue;
+        } else {
+            vis[pos.0][pos.1][jail.state.to_index()] = true;
+        }
+
+        for dir in [
+            Direction::North,
+            Direction::South,
+            Direction::East,
+            Direction::West,
+        ] {
+            let next_pos = (
+                (pos.0 as isize + dir.value().0),
+                (pos.1 as isize + dir.value().1),
+            );
+
+            if next_pos.0 < 0 || next_pos.1 < 0 {
+                continue;
+            }
+            if next_pos.0 >= n as isize || next_pos.1 >= m as isize {
+                continue;
+            }
+            if field[next_pos.0 as usize][next_pos.1 as usize] == Cell::Wall {
+                continue;
+            }
+
+            let next_jail = jail.roll(dir);
+            deq.push_back((step + 1, next_jail));
+        }
+    }
+
+    if minima == usize::MAX {
+        -1
+    } else {
+        minima as isize
+    }
+}
+
+fn main() {
+    let mut line = String::new();
+    stdin().read_line(&mut line).unwrap();
+    let mut iter = line
+        .trim()
+        .split_ascii_whitespace()
+        .map(|x| x.parse::<usize>().unwrap());
+    let (n, m) = (iter.next().unwrap(), iter.next().unwrap());
+
+    let field = (0..n)
+        .map(|_| {
+            line.clear();
+            stdin().read_line(&mut line).unwrap();
+            line.trim()
+                .chars()
+                .map(|c| Cell::from_char(c))
+                .collect::<Vec<Cell>>()
+        })
+        .collect::<Vec<Vec<Cell>>>();
+
+    let res = find_minimum_rolls_to_catch_robber(n, m, &field);
+
+    println!("{}", res);
+}
diff --git a/storage/zeta/rs/completed/3731.rs b/storage/zeta/rs/completed/3731.rs
new file mode 100644
index 0000000..d2e053a
--- /dev/null
+++ b/storage/zeta/rs/completed/3731.rs
@@ -0,0 +1,102 @@
+use std::io::{read_to_string, stdin};
+
+fn is_win(
+    vis: &mut Vec<Vec<usize>>,
+    rcum: &Vec<Vec<usize>>,
+    ccum: &Vec<Vec<usize>>,
+    curr: (usize, usize),
+) -> bool {
+    if vis[curr.0][curr.1] != usize::MAX {
+        return vis[curr.0][curr.1] == 1;
+    }
+
+    let r = rcum[curr.0][curr.1];
+    let c = ccum[curr.0][curr.1];
+
+    if curr.0 == 0 && curr.1 == 0 {
+        let t = r % 2 == 0;
+        vis[curr.0][curr.1] = t as usize;
+        return t;
+    } else if curr.0 == 0 {
+        let t = if c % 2 == 0 {
+            r % 2 == 0 || !is_win(vis, rcum, ccum, (curr.0, curr.1 - 1))
+        } else {
+            r % 2 == 0
+        };
+        vis[curr.0][curr.1] = t as usize;
+        return t;
+    } else if curr.1 == 0 {
+        let t = if r % 2 == 0 {
+            c % 2 == 0 || !is_win(vis, rcum, ccum, (curr.0 - 1, curr.1))
+        } else {
+            c % 2 == 0
+        };
+        vis[curr.0][curr.1] = t as usize;
+        return t;
+    }
+
+    if r % 2 == 0 && c % 2 == 0 {
+        let t = !is_win(vis, rcum, ccum, (curr.0 - 1, curr.1))
+            || !is_win(vis, rcum, ccum, (curr.0, curr.1 - 1));
+        vis[curr.0][curr.1] = t as usize;
+        t
+    } else if c % 2 == 0 {
+        let t = !is_win(vis, rcum, ccum, (curr.0, curr.1 - 1));
+        vis[curr.0][curr.1] = t as usize;
+        t
+    } else if r % 2 == 0 {
+        let t = !is_win(vis, rcum, ccum, (curr.0 - 1, curr.1));
+        vis[curr.0][curr.1] = t as usize;
+        t
+    } else {
+        false
+    }
+}
+
+fn main() {
+    let temp = read_to_string(stdin()).unwrap();
+    let mut iter = temp
+        .split_ascii_whitespace()
+        .map(|x| x.parse::<usize>().unwrap());
+    loop {
+        let n = match iter.next() {
+            Some(x) => x,
+            None => {
+                break;
+            }
+        };
+
+        let mat = {
+            let mut mat = vec![vec![0; n]; n];
+            for i in 0..n {
+                for j in 0..n {
+                    mat[i][j] = iter.next().unwrap();
+                }
+            }
+            mat
+        };
+        let (rcum, ccum) = {
+            let mut rcum = vec![vec![0; n]; n];
+            let mut ccum = vec![vec![0; n]; n];
+
+            for i in 0..n {
+                rcum[i][0] = mat[i][0];
+                ccum[0][i] = mat[0][i];
+                for j in 1..n {
+                    rcum[i][j] = rcum[i][j - 1] + mat[i][j];
+                    ccum[j][i] = ccum[j - 1][i] + mat[j][i];
+                }
+            }
+
+            (rcum, ccum)
+        };
+
+        let mut vis = vec![vec![usize::MAX; n]; n];
+
+        if is_win(&mut vis, &rcum, &ccum, (n - 1, n - 1)) {
+            println!("W");
+        } else {
+            println!("L");
+        }
+    }
+}
diff --git a/storage/zeta/rs/completed/4633.rs b/storage/zeta/rs/completed/4633.rs
new file mode 100644
index 0000000..0e60acc
--- /dev/null
+++ b/storage/zeta/rs/completed/4633.rs
@@ -0,0 +1,55 @@
+use std::io::{read_to_string, stdin};
+
+fn decrypt(x: u64, s: Vec<char>, p: Vec<char>, c: Vec<char>) -> Vec<char> {
+    let size = s.len();
+    let n = c.len();
+    let mut m: Vec<char> = vec!['*'; n];
+
+    let d = ((n as f64).powf(1.5) as u64 + x) as usize % n;
+    for i in 0..size {
+        if s[i] == c[d] {
+            m[d] = p[i];
+            break;
+        }
+    }
+    for i in 0..n - 1 {
+        let mut pp = 0;
+        let mut ps = 0;
+        let j = (d + n - i - 1) % n;
+        let j_nxt = (d + n - i) % n;
+        for jj in 0..size {
+            if m[j_nxt] == s[jj] {
+                ps = jj;
+                break;
+            }
+        }
+        for jj in 0..size {
+            if c[j] == s[jj] {
+                pp = jj;
+                break;
+            }
+        }
+
+        m[j] = p[pp ^ ps];
+    }
+
+    m
+}
+
+fn main() {
+    let temp = read_to_string(stdin()).unwrap();
+    let mut iter = temp.split_ascii_whitespace();
+
+    loop {
+        let x = iter.next().unwrap().parse::<u64>().unwrap();
+        if x == 0 {
+            break;
+        }
+
+        let s = iter.next().unwrap().chars().collect();
+        let p = iter.next().unwrap().chars().collect();
+        let c = iter.next().unwrap().chars().collect();
+        let msg = decrypt(x, s, p, c);
+        println!("{}", msg.iter().collect::<String>());
+    }
+}
diff --git a/storage/zeta/rs/completed/7140.rs b/storage/zeta/rs/completed/7140.rs
new file mode 100644
index 0000000..9006a58
--- /dev/null
+++ b/storage/zeta/rs/completed/7140.rs
@@ -0,0 +1,11 @@
+fn main() {
+    let v = 103;
+    println!("{}", v);
+    for i in 0..v {
+        println!("{}", 0);
+    }
+
+    let q = 1;
+    println!("{}", q);
+    println!("{} {}", 0, 1);
+}
diff --git a/storage/zeta/rs/completed/7541.rs b/storage/zeta/rs/completed/7541.rs
new file mode 100644
index 0000000..aee4ca0
--- /dev/null
+++ b/storage/zeta/rs/completed/7541.rs
@@ -0,0 +1,54 @@
+use std::{io::stdin, u8};
+
+fn main() {
+    let mut line = String::new();
+    stdin().read_line(&mut line).unwrap();
+    let n = line.trim().parse::<usize>().unwrap();
+
+    (1..=n).for_each(|case| {
+        line.clear();
+        stdin().read_line(&mut line).unwrap();
+
+        let mut id = line
+            .trim()
+            .chars()
+            .map(|x| match x {
+                '?' => u8::MAX,
+                _ => x as u8 - '0' as u8,
+            })
+            .collect::<Vec<u8>>();
+
+        let mut idx = 0;
+        let mut k: u64 = 0;
+        let len = id.len();
+        let r_s: u64 = id
+            .iter()
+            .enumerate()
+            .map(|(i, &x)| {
+                if x == u8::MAX {
+                    idx = i;
+                    k = [9, 3, 7][(len - i - 1) % 3];
+                    0
+                } else {
+                    let t = x as u64 * [9, 3, 7][(len - i - 1) % 3] as u64;
+                    t
+                }
+            })
+            .sum();
+        let mut x = 0;
+        for i in 0..10 {
+            if (i * k + r_s) % 10 == 0 {
+                x = i;
+                break;
+            }
+        }
+        id[idx] = x as u8;
+        println!(
+            "Scenario #{}:\n{}\n",
+            case,
+            id.iter()
+                .map(|&x| ('0' as u8 + x as u8) as char)
+                .collect::<String>()
+        );
+    });
+}