diff --git a/atcoder/abc368/a.rs b/atcoder/abc368/a.rs
new file mode 100644
index 00000000..98e2ad2d
--- /dev/null
+++ b/atcoder/abc368/a.rs
@@ -0,0 +1,51 @@
+use std::io::{Write, BufWriter};
+// https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8
+macro_rules! input {
+    ($($r:tt)*) => {
+        let stdin = std::io::stdin();
+        let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock()));
+        let mut next = move || -> String{
+            bytes.by_ref().map(|r|r.unwrap() as char)
+                .skip_while(|c|c.is_whitespace())
+                .take_while(|c|!c.is_whitespace())
+                .collect()
+        };
+        input_inner!{next, $($r)*}
+    };
+}
+
+macro_rules! input_inner {
+    ($next:expr) => {};
+    ($next:expr,) => {};
+    ($next:expr, $var:ident : $t:tt $($r:tt)*) => {
+        let $var = read_value!($next, $t);
+        input_inner!{$next $($r)*}
+    };
+}
+
+macro_rules! read_value {
+    ($next:expr, [ $t:tt ; $len:expr ]) => {
+        (0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>()
+    };
+    ($next:expr, $t:ty) => ($next().parse::<$t>().expect("Parse error"));
+}
+
+fn main() {
+    let out = std::io::stdout();
+    let mut out = BufWriter::new(out.lock());
+    macro_rules! puts {($($format:tt)*) => (let _ = write!(out,$($format)*););}
+    macro_rules! putvec {
+        ($v:expr) => {
+            for i in 0..$v.len() {
+                puts!("{}{}", $v[i], if i + 1 == $v.len() {"\n"} else {" "});
+            }
+        }
+    }
+    input! {
+        n: usize, k: usize,
+        a: [i64; n],
+    }
+    let mut b = a[n - k..].to_vec();
+    b.extend_from_slice(&a[..n - k]);
+    putvec!(b);
+}
diff --git a/atcoder/abc368/b.rs b/atcoder/abc368/b.rs
new file mode 100644
index 00000000..3e5266d5
--- /dev/null
+++ b/atcoder/abc368/b.rs
@@ -0,0 +1,46 @@
+// https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8
+macro_rules! input {
+    ($($r:tt)*) => {
+        let stdin = std::io::stdin();
+        let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock()));
+        let mut next = move || -> String{
+            bytes.by_ref().map(|r|r.unwrap() as char)
+                .skip_while(|c|c.is_whitespace())
+                .take_while(|c|!c.is_whitespace())
+                .collect()
+        };
+        input_inner!{next, $($r)*}
+    };
+}
+
+macro_rules! input_inner {
+    ($next:expr) => {};
+    ($next:expr,) => {};
+    ($next:expr, $var:ident : $t:tt $($r:tt)*) => {
+        let $var = read_value!($next, $t);
+        input_inner!{$next $($r)*}
+    };
+}
+
+macro_rules! read_value {
+    ($next:expr, [ $t:tt ; $len:expr ]) => {
+        (0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>()
+    };
+    ($next:expr, $t:ty) => ($next().parse::<$t>().expect("Parse error"));
+}
+
+fn main() {
+    input! {
+        n: usize,
+        a: [i64; n],
+    }
+    let mut a = a;
+    let mut c = 0;
+    while a.iter().filter(|&&x| x > 0).count() > 1 {
+        a.sort(); a.reverse();
+        a[0] -= 1;
+        a[1] -= 1;
+        c += 1;
+    }
+    println!("{}", c);
+}
diff --git a/atcoder/abc368/c.rs b/atcoder/abc368/c.rs
new file mode 100644
index 00000000..e8eb693a
--- /dev/null
+++ b/atcoder/abc368/c.rs
@@ -0,0 +1,60 @@
+// https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8
+macro_rules! input {
+    ($($r:tt)*) => {
+        let stdin = std::io::stdin();
+        let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock()));
+        let mut next = move || -> String{
+            bytes.by_ref().map(|r|r.unwrap() as char)
+                .skip_while(|c|c.is_whitespace())
+                .take_while(|c|!c.is_whitespace())
+                .collect()
+        };
+        input_inner!{next, $($r)*}
+    };
+}
+
+macro_rules! input_inner {
+    ($next:expr) => {};
+    ($next:expr,) => {};
+    ($next:expr, $var:ident : $t:tt $($r:tt)*) => {
+        let $var = read_value!($next, $t);
+        input_inner!{$next $($r)*}
+    };
+}
+
+macro_rules! read_value {
+    ($next:expr, [ $t:tt ; $len:expr ]) => {
+        (0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>()
+    };
+    ($next:expr, $t:ty) => ($next().parse::<$t>().expect("Parse error"));
+}
+
+fn main() {
+    input! {
+        n: usize,
+        h: [i64; n],
+    }
+    let mut t = 0;
+    for mut h in h {
+        while h > 0 && t % 3 != 0 {
+            if t % 3 == 2 {
+                h -= 3;
+            } else {
+                h -= 1;
+            }
+            t += 1;
+        }
+        let q = h / 5;
+        h -= q * 5;
+        t += q * 3;
+        while h > 0 {
+            if t % 3 == 2 {
+                h -= 3;
+            } else {
+                h -= 1;
+            }
+            t += 1;
+        }
+    }
+    println!("{}", t);
+}
diff --git a/atcoder/abc368/d.rs b/atcoder/abc368/d.rs
new file mode 100644
index 00000000..c1acfa61
--- /dev/null
+++ b/atcoder/abc368/d.rs
@@ -0,0 +1,69 @@
+// https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8
+macro_rules! input {
+    ($($r:tt)*) => {
+        let stdin = std::io::stdin();
+        let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock()));
+        let mut next = move || -> String{
+            bytes.by_ref().map(|r|r.unwrap() as char)
+                .skip_while(|c|c.is_whitespace())
+                .take_while(|c|!c.is_whitespace())
+                .collect()
+        };
+        input_inner!{next, $($r)*}
+    };
+}
+
+macro_rules! input_inner {
+    ($next:expr) => {};
+    ($next:expr,) => {};
+    ($next:expr, $var:ident : $t:tt $($r:tt)*) => {
+        let $var = read_value!($next, $t);
+        input_inner!{$next $($r)*}
+    };
+}
+
+macro_rules! read_value {
+    ($next:expr, ( $($t:tt),* )) => { ($(read_value!($next, $t)),*) };
+    ($next:expr, [ $t:tt ; $len:expr ]) => {
+        (0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>()
+    };
+    ($next:expr, usize1) => (read_value!($next, usize) - 1);
+    ($next:expr, $t:ty) => ($next().parse::<$t>().expect("Parse error"));
+}
+
+fn main() {
+    input! {
+        n: usize, k: usize,
+        ab: [(usize1, usize1); n - 1],
+        v: [usize1; k],
+    }
+    let mut deg = vec![0; n];
+    let mut g = vec![vec![]; n];
+    for &(a, b) in &ab {
+        deg[a] += 1;
+        deg[b] += 1;
+        g[a].push(b);
+        g[b].push(a);
+    }
+    let mut ret = vec![false; n];
+    for v in v {
+        ret[v] = true;
+    }
+    let mut que = vec![];
+    for i in 0..n {
+        if deg[i] == 1 && !ret[i] {
+            que.push(i);
+        }
+    }
+    let mut ans = n;
+    while let Some(v) = que.pop() {
+        ans -= 1;
+        for &to in &g[v] {
+            deg[to] -= 1;
+            if deg[to] == 1 && !ret[to] {
+                que.push(to);
+            }
+        }
+    }
+    println!("{}", ans);
+}
diff --git a/atcoder/abc368/e.rs b/atcoder/abc368/e.rs
new file mode 100644
index 00000000..22e11517
--- /dev/null
+++ b/atcoder/abc368/e.rs
@@ -0,0 +1,92 @@
+use std::collections::*;
+use std::io::{Write, BufWriter};
+// https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8
+macro_rules! input {
+    ($($r:tt)*) => {
+        let stdin = std::io::stdin();
+        let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock()));
+        let mut next = move || -> String{
+            bytes.by_ref().map(|r|r.unwrap() as char)
+                .skip_while(|c|c.is_whitespace())
+                .take_while(|c|!c.is_whitespace())
+                .collect()
+        };
+        input_inner!{next, $($r)*}
+    };
+}
+
+macro_rules! input_inner {
+    ($next:expr) => {};
+    ($next:expr,) => {};
+    ($next:expr, $var:ident : $t:tt $($r:tt)*) => {
+        let $var = read_value!($next, $t);
+        input_inner!{$next $($r)*}
+    };
+}
+
+macro_rules! read_value {
+    ($next:expr, ( $($t:tt),* )) => { ($(read_value!($next, $t)),*) };
+    ($next:expr, [ $t:tt ; $len:expr ]) => {
+        (0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>()
+    };
+    ($next:expr, usize1) => (read_value!($next, usize) - 1);
+    ($next:expr, $t:ty) => ($next().parse::<$t>().expect("Parse error"));
+}
+
+// Tags: dual-of-linear-programming, shortest-path, dijkstra, extra-vertices
+fn main() {
+    let out = std::io::stdout();
+    let mut out = BufWriter::new(out.lock());
+    macro_rules! puts {($($format:tt)*) => (let _ = write!(out,$($format)*););}
+    macro_rules! putvec {
+        ($v:expr) => {
+            for i in 0..$v.len() {
+                puts!("{}{}", $v[i], if i + 1 == $v.len() {"\n"} else {" "});
+            }
+        }
+    }
+    input! {
+        n: usize, m: usize, x0: i64,
+        abst: [(usize1, usize1, i64, i64); m],
+    }
+    let mut occ = vec![vec![]; n];
+    for i in 0..m {
+        let (a, b, s, t) = abst[i];
+        occ[a].push((s, 1, i));
+        occ[b].push((t, -1, i));
+    }
+    let mut new = m;
+    let mut g = vec![vec![]; 2 * m];
+    for i in 0..n {
+        occ[i].sort();
+        let mut last: Option<(usize, i64)> = None;
+        for j in 0..occ[i].len() {
+            let now = occ[i][j];
+            if now.1 == -1 {
+                if let Some((idx, time)) = last {
+                    g[idx].push((new, now.0 - time));
+                }
+                last = Some((new, now.0));
+                g[now.2].push((new, 0));
+                new += 1;
+            } else {
+                if let Some((idx, time)) = last {
+                    g[idx].push((now.2, now.0 - time));
+                }
+            }
+        }
+    }
+    let mut que = BinaryHeap::new();
+    let mut dist = vec![0; 2 * m];
+    que.push((x0, 0));
+    while let Some((d, v)) = que.pop() {
+        if dist[v] >= d {
+            continue;
+        }
+        dist[v] = d;
+        for &(w, c) in &g[v] {
+            que.push(((d - c).max(0), w));
+        }
+    }
+    putvec!(dist[1..m]);
+}
diff --git a/atcoder/abc368/f.rs b/atcoder/abc368/f.rs
new file mode 100644
index 00000000..530fff2a
--- /dev/null
+++ b/atcoder/abc368/f.rs
@@ -0,0 +1,54 @@
+// https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8
+macro_rules! input {
+    ($($r:tt)*) => {
+        let stdin = std::io::stdin();
+        let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock()));
+        let mut next = move || -> String{
+            bytes.by_ref().map(|r|r.unwrap() as char)
+                .skip_while(|c|c.is_whitespace())
+                .take_while(|c|!c.is_whitespace())
+                .collect()
+        };
+        input_inner!{next, $($r)*}
+    };
+}
+
+macro_rules! input_inner {
+    ($next:expr) => {};
+    ($next:expr,) => {};
+    ($next:expr, $var:ident : $t:tt $($r:tt)*) => {
+        let $var = read_value!($next, $t);
+        input_inner!{$next $($r)*}
+    };
+}
+
+macro_rules! read_value {
+    ($next:expr, [ $t:tt ; $len:expr ]) => {
+        (0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>()
+    };
+    ($next:expr, $t:ty) => ($next().parse::<$t>().expect("Parse error"));
+}
+
+fn main() {
+    input! {
+        n: usize,
+        a: [usize; n],
+    }
+    const W: usize = 100_001;
+    let mut g = vec![0; W];
+    let mut seen = vec![vec![]; W];
+    for i in 1..W {
+        seen[i].sort(); seen[i].dedup();
+        while seen[i].binary_search(&g[i]).is_ok() {
+            g[i] += 1;
+        }
+        for j in 2..(W - 1) / i + 1 {
+            seen[i * j].push(g[i]);
+        }
+    }
+    let mut ans = 0;
+    for a in a {
+        ans ^= g[a];
+    }
+    println!("{}", if ans == 0 { "Bruno" } else { "Anna" });
+}
diff --git a/atcoder/abc368/remain.txt b/atcoder/abc368/remain.txt
new file mode 100644
index 00000000..01058d84
--- /dev/null
+++ b/atcoder/abc368/remain.txt
@@ -0,0 +1 @@
+g