結果
| 問題 | No.2015 Stair Counter |
| ユーザー |
 manta1130
|
| 提出日時 | 2022-07-22 21:47:24 |
| 言語 | Rust (1.77.0) |
| 結果 |
AC
|
| 実行時間 | 12 ms / 2,000 ms |
| コード長 | 5,342 bytes |
| コンパイル時間 | 1,234 ms |
| コンパイル使用メモリ | 156,940 KB |
| 実行使用メモリ | 5,888 KB |
| 最終ジャッジ日時 | 2023-09-17 09:33:43 |
| 合計ジャッジ時間 | 2,680 ms |
|
ジャッジサーバーID （参考情報） |
judge13 / judge14 |
テストケース
テストケース表示| 入力 | 結果 | 実行時間 実行使用メモリ |
|---|---|---|
| testcase_00 | AC | 1 ms
4,380 KB |
| testcase_01 | AC | 9 ms
4,376 KB |
| testcase_02 | AC | 10 ms
4,376 KB |
| testcase_03 | AC | 10 ms
4,380 KB |
| testcase_04 | AC | 7 ms
4,376 KB |
| testcase_05 | AC | 6 ms
4,376 KB |
| testcase_06 | AC | 12 ms
4,376 KB |
| testcase_07 | AC | 12 ms
4,376 KB |
| testcase_08 | AC | 12 ms
4,376 KB |
| testcase_09 | AC | 4 ms
4,376 KB |
| testcase_10 | AC | 4 ms
4,380 KB |
| testcase_11 | AC | 4 ms
4,376 KB |
| testcase_12 | AC | 4 ms
4,380 KB |
| testcase_13 | AC | 4 ms
4,376 KB |
| testcase_14 | AC | 4 ms
4,380 KB |
| testcase_15 | AC | 7 ms
4,380 KB |
| testcase_16 | AC | 11 ms
5,640 KB |
| testcase_17 | AC | 5 ms
4,376 KB |
| testcase_18 | AC | 9 ms
5,068 KB |
| testcase_19 | AC | 10 ms
5,888 KB |
| testcase_20 | AC | 7 ms
4,480 KB |
| testcase_21 | AC | 7 ms
4,376 KB |
| testcase_22 | AC | 10 ms
4,376 KB |
| testcase_23 | AC | 12 ms
4,376 KB |
| testcase_24 | AC | 9 ms
4,380 KB |
| testcase_25 | AC | 8 ms
4,380 KB |
コンパイルメッセージ
warning: unused variable: `n` --> Main.rs:12:13 | 12 | n:usize,m:i64, | ^ help: if this is intentional, prefix it with an underscore: `_n` | = note: `#[warn(unused_variables)]` on by default warning: value assigned to `j1` is never read --> Main.rs:18:21 | 18 | let mut j1 = 0; | ^^ | = help: maybe it is overwritten before being read? = note: `#[warn(unused_assignments)]` on by default warning: 2 warnings emitted
ソースコード
#[allow(unused_imports)]
use std::io::{stdout, BufWriter, Write};
fn main() {
let out = stdout();
let mut out = BufWriter::new(out.lock());
inputv! {
t:usize
}
for _ in 0..t {
inputv! {
n:usize,m:i64,
}
let mut v = input_vector::<i64>();
let mut solve = || {
v.insert(0, m);
let mut j1 = 0;
let mut j2 = 0;
for i in 0..v.len() - 2 {
j1 = v[i + 1] - j2;
j2 = v[i] - j1;
if j1 + j2 != v[i] || j1 < 0 || j2 < 0 {
return false;
}
}
true
};
writeln!(out, "{}", if solve() { "Yes" } else { "No" }).unwrap();
}
}
//https://github.com/manta1130/competitive-template-rs
use input::*;
pub mod input {
use std::cell::RefCell;
use std::io;
pub const SPLIT_DELIMITER: char = ' ';
pub use std::io::prelude::*;
thread_local! {
pub static INPUT_BUFFER:RefCell<std::collections::VecDeque<String>>=RefCell::new(std::collections::VecDeque::new());
}
#[macro_export]
macro_rules! input_internal {
($x:ident : $t:ty) => {
INPUT_BUFFER.with(|p| {
while p.borrow().len() == 0 {
let temp_str = input_line_str();
let mut split_result_iter = temp_str
.split(SPLIT_DELIMITER)
.map(|q| q.to_string())
.filter(|q| q.len() > 0)
.collect::<std::collections::VecDeque<_>>();
p.borrow_mut().append(&mut split_result_iter)
}
});
let mut buf_split_result = String::new();
INPUT_BUFFER.with(|p| buf_split_result = p.borrow_mut().pop_front().unwrap());
let $x: $t = buf_split_result.parse().unwrap();
};
(mut $x:ident : $t:ty) => {
INPUT_BUFFER.with(|p| {
while p.borrow().len() == 0 {
let temp_str = input_line_str();
let mut split_result_iter = temp_str
.split(SPLIT_DELIMITER)
.map(|q| q.to_string())
.filter(|q| q.len() > 0)
.collect::<std::collections::VecDeque<_>>();
p.borrow_mut().append(&mut split_result_iter)
}
});
let mut buf_split_result = String::new();
INPUT_BUFFER.with(|p| buf_split_result = p.borrow_mut().pop_front().unwrap());
let mut $x: $t = buf_split_result.parse().unwrap();
};
}
pub fn input_buffer_is_empty() -> bool {
let mut empty = false;
INPUT_BUFFER.with(|p| {
if p.borrow().len() == 0 {
empty = true;
}
});
empty
}
#[macro_export]
macro_rules! inputv {
($i:ident : $t:ty) => {
input_internal!{$i : $t}
};
(mut $i:ident : $t:ty) => {
input_internal!{mut $i : $t}
};
($i:ident : $t:ty $(,)*) => {
input_internal!{$i : $t}
};
(mut $i:ident : $t:ty $(,)*) => {
input_internal!{mut $i : $t}
};
(mut $i:ident : $t:ty,$($q:tt)*) => {
input_internal!{mut $i : $t}
inputv!{$($q)*}
};
($i:ident : $t:ty,$($q:tt)*) => {
input_internal!{$i : $t}
inputv!{$($q)*}
};
}
pub fn input_all() {
INPUT_BUFFER.with(|p| {
if p.borrow().len() == 0 {
let mut temp_str = String::new();
std::io::stdin().read_to_string(&mut temp_str).unwrap();
let mut split_result_iter = temp_str
.split_whitespace()
.map(|q| q.to_string())
.collect::<std::collections::VecDeque<_>>();
p.borrow_mut().append(&mut split_result_iter)
}
});
}
pub fn input_line_str() -> String {
let mut s = String::new();
io::stdin().read_line(&mut s).unwrap();
s.trim().to_string()
}
#[allow(clippy::match_wild_err_arm)]
pub fn input_vector<T>() -> Vec<T>
where
T: std::str::FromStr,
{
let mut v: Vec<T> = Vec::new();
let s = input_line_str();
if s.is_empty() {
return v;
}
let split_result = s.split(SPLIT_DELIMITER);
for z in split_result {
let buf = match z.parse() {
Ok(r) => r,
Err(_) => panic!("Parse Error",),
};
v.push(buf);
}
v
}
#[allow(clippy::match_wild_err_arm)]
pub fn input_vector_row<T>(n: usize) -> Vec<T>
where
T: std::str::FromStr,
{
let mut v = Vec::with_capacity(n);
for _ in 0..n {
let buf = match input_line_str().parse() {
Ok(r) => r,
Err(_) => panic!("Parse Error",),
};
v.push(buf);
}
v
}
pub trait ToCharVec {
fn to_charvec(&self) -> Vec<char>;
}
impl ToCharVec for String {
fn to_charvec(&self) -> Vec<char> {
self.to_string().chars().collect::<Vec<_>>()
}
}
}