Submission #3719212
Source Code Expand
#[allow(unused_imports)] use std::cmp::{max, min, Ordering}; #[allow(unused_imports)] use std::collections::{BTreeMap, BTreeSet, BinaryHeap, HashMap, HashSet, VecDeque}; #[allow(unused_imports)] use std::io::{stdin, stdout, BufWriter, StdoutLock, Write}; #[allow(unused_imports)] use std::iter::FromIterator; #[allow(dead_code)] pub fn with_bufwriter<F: FnOnce(BufWriter<StdoutLock>) -> ()>(f: F) { let out = stdout(); let writer = BufWriter::new(out.lock()); f(writer) } #[allow(unused_macros)] macro_rules! input { (source = $s:expr, $($r:tt)*) => { let mut iter = $s.split_whitespace(); let mut next = || { iter.next().unwrap() }; input_inner!{next, $($r)*} }; ($($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)*} }; } #[allow(unused_macros)] 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)*} }; } #[allow(unused_macros)] 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, chars) => { read_value!($next, String).chars().collect::<Vec<char>>() }; ($next:expr, bytes) => { read_value!($next, String).into_bytes() }; ($next:expr, usize1) => { read_value!($next, usize) - 1 }; ($next:expr, $t:ty) => { $next().parse::<$t>().expect("Parse error") }; } #[allow(unused_macros)] macro_rules ! debug { ( $ ( $ a : expr ) ,* ) => { eprintln ! ( concat ! ( $ ( stringify ! ( $ a ) , " = {:?}, " ) ,* ) , $ ( $ a ) ,* ) } ; } fn read<T: std::str::FromStr>() -> T { let mut s = String::new(); std::io::stdin().read_line(&mut s).ok(); s.trim().parse().ok().unwrap() } fn read_vec<T: std::str::FromStr>() -> Vec<T> { read::<String>().split_whitespace() .map(|e| e.parse().ok().unwrap()).collect() } fn read_vec2<T: std::str::FromStr>(n: u32) -> Vec<Vec<T>> { (0..n).map(|_| read_vec()).collect() } #[allow(dead_code)] const BIG_STACK_SIZE: bool = false; #[allow(dead_code)] fn main() { use std::thread; if BIG_STACK_SIZE { thread::Builder::new() .stack_size(32 * 1024 * 1024) .name("solve".into()) .spawn(solve) .unwrap() .join() .unwrap(); } else { solve(); } } #[allow(dead_code)] fn solve() { let out = stdout(); let mut out = out.lock(); let mut board = read_vec2::<char>(4); //println!("{:?}", board) for i in (0..4).rev() { for j in (0..4).rev() { write!(out, "{} ", board[i][j]).unwrap(); } write!(out, "\n").unwrap(); } }
Submission Info
Submission Time | |
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Task | B - 回転 |
User | wh317706 |
Language | Rust (1.15.1) |
Score | 0 |
Code Size | 3408 Byte |
Status | CE |
Compile Error
error[E0277]: the trait bound `char: std::str::FromStr` is not satisfied --> ./Main.rs:113:21 | 113 | let mut board = read_vec2::<char>(4); | ^^^^^^^^^^^^^^^^^ the trait `std::str::FromStr` is not implemented for `char` | = note: required by `read_vec2` error: aborting due to previous error