Add atcoder/abc379/a.rs atcoder/abc379/b.rs atcoder/abc379/c.rs atcod…

…er/abc379/d.rs atcoder/abc379/e.rs atcoder/abc379/f.rs atcoder/abc379/g.rs

atcoder/abc379/a.rs

@@ -0,0 +1,15 @@
+fn getline() -> String {
+    let mut ret = String::new();
+    std::io::stdin().read_line(&mut ret).ok().unwrap();
+    ret
+}
+
+fn main() {
+    let mut x: i64 = getline().trim().parse().ok().unwrap();
+    for _ in 0..2 {
+        x *= 10;
+        x += x / 1000;
+        x %= 1000;
+        println!("{x}");
+    }
+}

atcoder/abc379/b.rs

@@ -0,0 +1,49 @@
+// 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 {
+    ($next:expr, chars) => {
+        read_value!($next, String).chars().collect::<Vec<char>>()
+    };
+    ($next:expr, $t:ty) => ($next().parse::<$t>().expect("Parse error"));
+}
+
+fn main() {
+    input! {
+        n: usize, k: usize,
+        s: chars,
+    }
+    let mut cur = 0;
+    let mut ans = 0;
+    for c in s {
+        if c == 'O' {
+            cur += 1;
+        } else {
+            ans += cur / k;
+            cur = 0;
+        }
+    }
+    ans += cur / k;
+    println!("{ans}");
+}

atcoder/abc379/c.rs

@@ -0,0 +1,62 @@
+// 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: i64, m: usize,
+        x: [i64; m],
+        a: [i64; m],
+    }
+    let asum = a.iter().sum::<i64>();
+    if asum != n {
+        println!("-1");
+        return;
+    }
+    let mut xa = vec![];
+    for i in 0..m {
+        xa.push((x[i], a[i]));
+    }
+    xa.sort();
+    let mut tot = 0;
+    for i in (0..m).rev() {
+        let (x, a) = xa[i];
+        if tot + a + x > n + 1 {
+            println!("-1");
+            return;
+        }
+        tot += a;
+    }
+    let mut ans = n * (n + 1) / 2;
+    for (x, a) in xa {
+        ans -= x * a;
+    }
+    println!("{ans}");
+}

atcoder/abc379/d.rs

@@ -0,0 +1,47 @@
+use std::collections::*;
+use std::io::Read;
+
+fn get_word() -> String {
+    let stdin = std::io::stdin();
+    let mut stdin=stdin.lock();
+    let mut u8b: [u8; 1] = [0];
+    loop {
+        let mut buf: Vec<u8> = Vec::with_capacity(16);
+        loop {
+            let res = stdin.read(&mut u8b);
+            if res.unwrap_or(0) == 0 || u8b[0] <= b' ' {
+                break;
+            } else {
+                buf.push(u8b[0]);
+            }
+        }
+        if buf.len() >= 1 {
+            let ret = String::from_utf8(buf).unwrap();
+            return ret;
+        }
+    }
+}
+
+fn get<T: std::str::FromStr>() -> T { get_word().parse().ok().unwrap() }
+
+fn main() {
+    let q: i32 = get();
+    let mut s = BTreeSet::new();
+    let mut bias = 0;
+    for idx in 0..q {
+        let ty: i32 = get();
+        if ty == 1 {
+            s.insert((-bias, idx));
+        } else if ty == 2 {
+            let t: i64 = get();
+            bias += t;
+        } else {
+            let h: i64 = get();
+            let tmp = s.range((h - bias, 0)..).cloned().collect::<Vec<_>>();
+            println!("{}", tmp.len());
+            for t in tmp {
+                s.remove(&t);
+            }
+        }
+    }
+}

atcoder/abc379/e.rs

@@ -0,0 +1,45 @@
+fn getline() -> String {
+    let mut ret = String::new();
+    std::io::stdin().read_line(&mut ret).ok().unwrap();
+    ret
+}
+
+fn quo(a: i64, b: i64) -> i64 {
+    assert!(b > 0);
+    let mut r = a % b;
+    if r < 0 {
+        r += b;
+    }
+    (a - r) / b
+}
+
+fn main() {
+    getline();
+    let s = getline().trim().bytes().collect::<Vec<_>>();
+    let n = s.len();
+    let mut dig = vec![0; n + 1];
+    for i in 0..n {
+        let d = (s[i] - b'0') as i64 * (i as i64 + 1);
+        dig[i] += d;
+        dig[n] -= d;
+    }
+    for i in (0..n).rev() {
+        let q = quo(dig[i + 1], 10);
+        dig[i] += q;
+        dig[i + 1] -= q * 10;
+    }
+    // /= 9
+    let mut carry = 0;
+    for i in 0..n + 1 {
+        let q = quo(dig[i] + carry * 10, 9);
+        carry = (dig[i] + carry * 10) - q * 9;
+        dig[i] = q;
+    }
+    while dig[0] == 0 {
+        dig.remove(0);
+    }
+    for d in dig {
+        print!("{d}");
+    }
+    println!();
+}

atcoder/abc379/f.rs

@@ -0,0 +1,70 @@
+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::<$t>().expect("Parse error"));
+}
+
+fn main() {
+    let out = std::io::stdout();
+    let mut out = BufWriter::new(out.lock());
+    macro_rules! puts {($($format:tt)*) => (let _ = write!(out,$($format)*););}
+    input! {
+        n: usize, q: usize,
+        h: [i64; n],
+        lr: [(usize1, usize1); q],
+    }
+    let mut qs = vec![vec![]; n];
+    for i in 0..q {
+        let (l, r) = lr[i];
+        qs[l].push((r, i));
+    }
+    let mut st: Vec<usize> = vec![];
+    let mut ans = vec![0; q];
+    for i in (0..n).rev() {
+        for &(r, idx) in qs[i].iter() {
+            let from = match st.binary_search_by(|x| r.cmp(x)) {
+                Ok(x) => x,
+                Err(x) => x,
+            };
+            ans[idx] = from;
+        }
+        while let Some(v) = st.pop() {
+            if h[i] < h[v] {
+                st.push(v);
+                break;
+            }
+        }
+        st.push(i);
+    }
+    for a in ans {
+        puts!("{a}\n");
+    }
+}