Solve D in abc167

Author: k-yomo

atcoder/rust/abc167/Cargo.lock

@@ -0,0 +1,80 @@
+[package]
+name = "abc167"
+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 = "abc167-a", problem = { platform = "atcoder", contest = "abc167", index = "A", url = "https://atcoder.jp/contests/abc167/tasks/abc167_a" } }
+b = { name = "abc167-b", problem = { platform = "atcoder", contest = "abc167", index = "B", url = "https://atcoder.jp/contests/abc167/tasks/abc167_b" } }
+c = { name = "abc167-c", problem = { platform = "atcoder", contest = "abc167", index = "C", url = "https://atcoder.jp/contests/abc167/tasks/abc167_c" } }
+d = { name = "abc167-d", problem = { platform = "atcoder", contest = "abc167", index = "D", url = "https://atcoder.jp/contests/abc167/tasks/abc167_d" } }
+e = { name = "abc167-e", problem = { platform = "atcoder", contest = "abc167", index = "E", url = "https://atcoder.jp/contests/abc167/tasks/abc167_e" } }
+f = { name = "abc167-f", problem = { platform = "atcoder", contest = "abc167", index = "F", url = "https://atcoder.jp/contests/abc167/tasks/abc167_f" } }
+
+[[bin]]
+name = "abc167-a"
+path = "src/bin/a.rs"
+
+[[bin]]
+name = "abc167-b"
+path = "src/bin/b.rs"
+
+[[bin]]
+name = "abc167-c"
+path = "src/bin/c.rs"
+
+[[bin]]
+name = "abc167-d"
+path = "src/bin/d.rs"
+
+[[bin]]
+name = "abc167-e"
+path = "src/bin/e.rs"
+
+[[bin]]
+name = "abc167-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/abc167/Cargo.toml

@@ -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/abc167/src/bin/a.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/abc167/src/bin/b.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/abc167/src/bin/c.rs

@@ -0,0 +1,39 @@
+#![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! {
+        n: usize, k: usize,
+        a: [usize; n],
+    }
+
+    let mut cur_town = 1;
+    let mut count = 0;
+    let mut visited = HashMap::new();
+    while *visited.get(&cur_town).unwrap_or(&0) == 0 {
+        visited.insert(cur_town, count);
+        cur_town = a[cur_town - 1];
+        count += 1;
+        if count == k {
+            return println!("{}", cur_town);
+        }
+    }
+
+    let k_rest = (k - count) % (count - *visited.get(&cur_town).unwrap());
+    for _ in 0..k_rest {
+        cur_town = a[cur_town - 1];
+    }
+
+    println!("{}", cur_town);
+}

atcoder/rust/abc167/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/abc167/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/abc167/src/bin/f.rs

@@ -0,0 +1,26 @@
+---
+type: Batch
+timelimit: 2s
+match: Lines
+
+cases:
+  - name: sample1
+    in: |
+      chokudai
+      chokudaiz
+    out: |
+      Yes
+  - name: sample2
+    in: |
+      snuke
+      snekee
+    out: |
+      No
+  - name: sample3
+    in: |
+      a
+      aa
+    out: |
+      Yes
+
+extend: []

atcoder/rust/abc167/testcases/a.yml

@@ -0,0 +1,23 @@
+---
+type: Batch
+timelimit: 2s
+match: Lines
+
+cases:
+  - name: sample1
+    in: |
+      2 1 1 3
+    out: |
+      2
+  - name: sample2
+    in: |
+      1 2 3 4
+    out: |
+      0
+  - name: sample3
+    in: |
+      2000000000 0 0 2000000000
+    out: |
+      2000000000
+
+extend: []