Solve D in abc209

Author: k-yomo

atcoder/rust/abc209/Cargo.lock

@@ -0,0 +1,80 @@
+[package]
+name = "abc209"
+version = "0.1.0"
+authors = ["k-yomo <kanji.yy@gmail.com>"]
+edition = "2018"
+
+[package.metadata.cargo-compete]
+config = "../compete.toml"
+
+[package.metadata.cargo-compete.bin]
+a = { name = "abc209-a", problem = { platform = "atcoder", contest = "abc209", index = "A", url = "https://atcoder.jp/contests/abc209/tasks/abc209_a" } }
+b = { name = "abc209-b", problem = { platform = "atcoder", contest = "abc209", index = "B", url = "https://atcoder.jp/contests/abc209/tasks/abc209_b" } }
+c = { name = "abc209-c", problem = { platform = "atcoder", contest = "abc209", index = "C", url = "https://atcoder.jp/contests/abc209/tasks/abc209_c" } }
+d = { name = "abc209-d", problem = { platform = "atcoder", contest = "abc209", index = "D", url = "https://atcoder.jp/contests/abc209/tasks/abc209_d" } }
+e = { name = "abc209-e", problem = { platform = "atcoder", contest = "abc209", index = "E", url = "https://atcoder.jp/contests/abc209/tasks/abc209_e" } }
+f = { name = "abc209-f", problem = { platform = "atcoder", contest = "abc209", index = "F", url = "https://atcoder.jp/contests/abc209/tasks/abc209_f" } }
+
+[[bin]]
+name = "abc209-a"
+path = "src/bin/a.rs"
+
+[[bin]]
+name = "abc209-b"
+path = "src/bin/b.rs"
+
+[[bin]]
+name = "abc209-c"
+path = "src/bin/c.rs"
+
+[[bin]]
+name = "abc209-d"
+path = "src/bin/d.rs"
+
+[[bin]]
+name = "abc209-e"
+path = "src/bin/e.rs"
+
+[[bin]]
+name = "abc209-f"
+path = "src/bin/f.rs"
+[dependencies]
+num = "=0.2.1"
+num-bigint = "=0.2.6"
+num-complex = "=0.2.4"
+num-integer = "=0.1.42"
+num-iter = "=0.1.40"
+num-rational = "=0.2.4"
+num-traits = "=0.2.11"
+num-derive = "=0.3.0"
+ndarray = "=0.13.0"
+nalgebra = "=0.20.0"
+alga = "=0.9.3"
+libm = "=0.2.1"
+rand = { version = "=0.7.3", features = ["small_rng"] }
+getrandom = "=0.1.14"
+rand_chacha = "=0.2.2"
+rand_core = "=0.5.1"
+rand_hc = "=0.2.0"
+rand_pcg = "=0.2.1"
+rand_distr = "=0.2.2"
+petgraph = "=0.5.0"
+indexmap = "=1.3.2"
+regex = "=1.3.6"
+lazy_static = "=1.4.0"
+ordered-float = "=1.0.2"
+ascii = "=1.0.0"
+permutohedron = "=0.2.4"
+superslice = "=1.0.0"
+itertools = "=0.9.0"
+itertools-num = "=0.1.3"
+maplit = "=1.0.2"
+either = "=1.5.3"
+im-rc = "=14.3.0"
+fixedbitset = "=0.2.0"
+bitset-fixed = "=0.1.0"
+proconio = { version = "=0.3.6", features = ["derive"] }
+text_io = "=0.1.8"
+whiteread = "=0.5.0"
+rustc-hash = "=1.1.0"
+smallvec = "=1.2.0"

atcoder/rust/abc209/Cargo.toml

@@ -0,0 +1,24 @@
+#![allow(unused_imports)]
+
+use std::cmp::*;
+use std::collections::*;
+use std::io::Write;
+use std::ops::Bound::*;
+
+use itertools::__std_iter::once;
+use itertools::*;
+use itertools_num::ItertoolsNum;
+use proconio::marker::*;
+use proconio::*;
+use superslice::*;
+
+fn main() {
+    input! {
+        a: usize, b: usize,
+    }
+    if a >= b {
+        println!("0")
+    } else {
+        println!("{}", b - a + 1)
+    }
+}

atcoder/rust/abc209/src/bin/a.rs

@@ -0,0 +1,28 @@
+#![allow(unused_imports)]
+
+use std::cmp::*;
+use std::collections::*;
+use std::io::Write;
+use std::ops::Bound::*;
+
+use itertools::__std_iter::once;
+use itertools::*;
+use itertools_num::ItertoolsNum;
+use proconio::marker::*;
+use proconio::*;
+use superslice::*;
+
+fn main() {
+    input! {
+        n: usize, mut x: i128,
+        a: [i128; n],
+    }
+
+    for (i, &v) in a.iter().enumerate() {
+        x -= if i % 2 != 0 { v - 1 } else { v };
+    }
+    if x < 0 {
+        return println!("No");
+    }
+    println!("Yes")
+}

atcoder/rust/abc209/src/bin/b.rs

@@ -0,0 +1,20 @@
+#![allow(unused_imports)]
+
+use std::cmp::*;
+use std::collections::*;
+use std::io::Write;
+use std::ops::Bound::*;
+
+use itertools::__std_iter::once;
+use itertools::*;
+use itertools_num::ItertoolsNum;
+use proconio::marker::*;
+use proconio::*;
+use superslice::*;
+
+fn main() {
+    input! {
+        n: usize,
+        c: [usize; n],
+    }
+}

atcoder/rust/abc209/src/bin/c.rs

@@ -0,0 +1,56 @@
+#![allow(unused_imports)]
+
+use std::cmp::*;
+use std::collections::*;
+use std::io::Write;
+use std::ops::Bound::*;
+
+use itertools::*;
+use itertools::__std_iter::once;
+use itertools_num::ItertoolsNum;
+use proconio::*;
+use proconio::marker::*;
+use superslice::*;
+use std::{cmp::Reverse, collections::BinaryHeap};
+use std::iter::Map;
+
+fn main() {
+    input! {
+        n: usize, q: usize,
+        ab: [(usize, usize); n-1],
+        cd: [(usize, usize); q],
+    }
+
+
+    let mut queue = VecDeque::new();
+    let mut colors = vec![-1; n];
+    colors[0] = 0;
+    queue.push_back(0);
+
+    let mut paths = vec![vec![]; n];
+    for (a, b) in ab {
+        paths[a-1].push(b-1);
+        paths[b-1].push(a-1);
+    }
+
+    loop {
+        if queue.is_empty() {
+            break
+        }
+        let town = queue.pop_front().unwrap();
+        for &i in paths[town].iter() {
+            if colors[i] == -1 {
+                colors[i] = 1 - colors[town];
+                queue.push_back(i)
+            }
+        }
+    }
+
+    for (c, d) in cd {
+        if colors[c-1] == colors[d-1] {
+            println!("Town");
+        } else {
+            println!("Road")
+        }
+    }
+}

atcoder/rust/abc209/src/bin/d.rs

@@ -0,0 +1,19 @@
+#![allow(unused_imports)]
+
+use std::cmp::*;
+use std::collections::*;
+use std::io::Write;
+use std::ops::Bound::*;
+
+use itertools::*;
+use itertools::__std_iter::once;
+use itertools_num::ItertoolsNum;
+use proconio::*;
+use proconio::marker::*;
+use superslice::*;
+
+fn main() {
+    input! {
+
+    }
+}

atcoder/rust/abc209/src/bin/e.rs

@@ -0,0 +1,19 @@
+#![allow(unused_imports)]
+
+use std::cmp::*;
+use std::collections::*;
+use std::io::Write;
+use std::ops::Bound::*;
+
+use itertools::*;
+use itertools::__std_iter::once;
+use itertools_num::ItertoolsNum;
+use proconio::*;
+use proconio::marker::*;
+use superslice::*;
+
+fn main() {
+    input! {
+
+    }
+}

atcoder/rust/abc209/src/bin/f.rs

@@ -0,0 +1,23 @@
+---
+type: Batch
+timelimit: 2s
+match: Lines
+
+cases:
+  - name: sample1
+    in: |
+      2 4
+    out: |
+      3
+  - name: sample2
+    in: |
+      10 100
+    out: |
+      91
+  - name: sample3
+    in: |
+      3 2
+    out: |
+      0
+
+extend: []

atcoder/rust/abc209/testcases/a.yml

@@ -0,0 +1,26 @@
+---
+type: Batch
+timelimit: 2s
+match: Lines
+
+cases:
+  - name: sample1
+    in: |
+      2 3
+      1 3
+    out: |
+      Yes
+  - name: sample2
+    in: |
+      4 10
+      3 3 4 4
+    out: |
+      No
+  - name: sample3
+    in: |
+      8 30
+      3 1 4 1 5 9 2 6
+    out: |
+      Yes
+
+extend: []