結果

問題 No.2184 A○B問題
ユーザー kenichikenichi
提出日時 2023-03-22 16:41:34
言語 Rust
(1.83.0 + proconio)
結果
AC  
実行時間 1 ms / 2,000 ms
コード長 1,684 bytes
コンパイル時間 13,239 ms
コンパイル使用メモリ 377,524 KB
実行使用メモリ 5,376 KB
最終ジャッジ日時 2024-09-18 14:58:36
合計ジャッジ時間 12,387 ms
ジャッジサーバーID
(参考情報)
judge2 / judge3
このコードへのチャレンジ
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ファイルパターン 結果
other AC * 24
権限があれば一括ダウンロードができます
コンパイルメッセージ
warning: unused import: `std::time::Instant`
 --> src/main.rs:4:5
  |
4 | use std::time::Instant;
  |     ^^^^^^^^^^^^^^^^^^
  |
  = note: `#[warn(unused_imports)]` on by default

warning: unused variable: `count`
  --> src/main.rs:10:13
   |
10 |     let mut count = 0;
   |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
   |
   = note: `#[warn(unused_variables)]` on by default

warning: variable does not need to be mutable
  --> src/main.rs:10:9
   |
10 |     let mut count = 0;
   |         ----^^^^^
   |         |
   |         help: remove this `mut`
   |
   = note: `#[warn(unused_mut)]` on by default

ソースコード

diff #
プレゼンテーションモードにする

use std::io::*;
//use std::num;
use std::str::FromStr;
use std::time::Instant;
fn main() {
//let now = Instant::now();
let mut a: Vec<usize> = vec![0; 5];
let mut b: Vec<usize> = vec![0; 5];
let mut count = 0;
for _i in 0..a.len(){
a[_i] = read();
}
for _i in 0..b.len(){
b[_i] = read();
}
for _i in 0..b.len(){
print!("{}",a[b[_i]-1]);
if _i == a.len()-1{
break;
}else{
print!(" ");
}
}
//println!("[DEBUG_PRINT] {} ms", now.elapsed().as_millis());
}
pub fn min(x: usize, y: usize) -> usize {
let z: usize;
if x <= y {
z = x;
} else {
z = y;
}
return z;
}
pub fn read<T: FromStr>() -> T {
let stdin = stdin();
let stdin = stdin.lock();
let token: String = stdin
.bytes()
.map(|c| c.expect("failed to read char") as char)
.skip_while(|c| c.is_whitespace())
.take_while(|c| !c.is_whitespace())
.collect();
token.parse().ok().expect("failed to parse token")
}
pub fn read_array() -> Vec<char> {
let array: String = read();
let chars: Vec<char> = array.trim().chars().collect::<Vec<char>>();
chars
}
pub fn get_data() -> Vec<u64> {
let mut s: String = String::new();
std::io::stdin().read_line(&mut s).ok();
let vec: Vec<u64> = s
.trim()
.split_whitespace()
.map(|e| e.parse().ok().unwrap())
.collect();
vec
}
pub fn get_chars() -> Vec<char> {
let mut s: String = String::new();
std::io::stdin().read_line(&mut s).ok();
let vec: Vec<char> = s.trim().chars().collect::<Vec<char>>();
vec
}
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