結果
| 問題 | No.1860 Magnets |
| ユーザー |
 kenichi
|
| 提出日時 | 2023-08-20 17:36:33 |
| 言語 | Rust (1.83.0 + proconio) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 5,850 bytes |
| コンパイル時間 | 12,926 ms |
| コンパイル使用メモリ | 387,440 KB |
| 実行使用メモリ | 6,820 KB |
| 最終ジャッジ日時 | 2024-11-30 21:09:47 |
| 合計ジャッジ時間 | 14,210 ms |
|
ジャッジサーバーID （参考情報） |
judge2 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 22 WA * 6 |
コンパイルメッセージ
warning: variable `tmp` is assigned to, but never used --> src/main.rs:49:13 | 49 | let mut tmp = 0; | ^^^ | = note: consider using `_tmp` instead = note: `#[warn(unused_variables)]` on by default warning: value assigned to `tmp` is never read --> src/main.rs:64:13 | 64 | tmp = 1; | ^^^ | = help: maybe it is overwritten before being read? = note: `#[warn(unused_assignments)]` on by default
ソースコード
use std::io::*;use std::str::FromStr;/*const LOW_CASE_ALPHABET: [char; 26] = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's','t', 'u', 'v', 'w', 'x', 'y', 'z',];*/fn main() {let a: usize = read();let b: usize = read();if a > b{print!("{}",a * 2 - 1);}else{print!("{}",b * 2 - 1);}}pub fn perfect(value_1: usize) -> usize {let mut perfect_number = Vec::new();for _i in 2..=value_1{let mut tmp = 0;for _j in 1..=((_i as f64).powf(0.5)) as usize{if _i % _j == 0{if _j * _j == _i{tmp += _j;}else{tmp += _j + (_i / _j);}}}tmp -= _i;if tmp == _i{perfect_number.push(_i);}}for _i in 0..perfect_number.len() - 1{println!("{}",perfect_number[_i]);}return perfect_number[perfect_number.len() - 1];}pub fn prime_number(value_1: usize, value_2: usize) -> usize {let mut primary = Vec::new();let mut tmp = 0;primary.push(2);for _i in 2..=value_1{let mut flag = 0;for _j in 0..primary.len(){if _i % primary[_j] == 0{flag = 1;break;}}if flag == 0{primary.push(_i);}if primary.len() == value_2{tmp = 1;return primary[primary.len() - 1];}}return 0;}pub fn ctoi(c: char) -> isize {let n = c as isize - '0' as isize;return n;}pub fn stoi(c: String) -> isize {let n = c.parse::<isize>().unwrap();return n;}pub fn find_char(sentence: Vec<char>, target: char, start: isize) -> isize {for _i in start as usize..sentence.len() {if sentence[_i] == target {return _i as isize;}}return -1;}pub fn hex_to_binary_2(hex_string: String, x: u32) -> Option<String> {match i64::from_str_radix(&hex_string, x) {Ok(decimal) => Some(format!("{}", decimal)),Err(_) => None,}}pub fn hex_to_binary(hex_string: &str, x: u32) -> Option<String> {match i64::from_str_radix(hex_string, x) {Ok(decimal) => Some(format!("{}", decimal)),Err(_) => None,}}pub fn my_floor(x: f64) -> f64 {let rounded = (x * 1000.0).floor() / 1000.0;rounded}pub fn upper_lower(x: char) -> char {let result: char;if x.is_uppercase() {result = x.to_ascii_lowercase();} else if x.is_lowercase() {result = x.to_ascii_uppercase();} else {result = x;}result}pub fn maxf_2(x: f64, y: f64) -> f64 {let result;if x >= y {result = x;} else {result = y;}result}pub fn max_2(x: isize, y: isize) -> isize {let result;if x >= y {result = x;} else {result = y;}result}pub fn max_u_2(x: usize, y: usize) -> usize {let result;if x >= y {result = x;} else {result = y;}result}pub fn min_u_2(x: usize, y: usize) -> usize {let result;if x <= y {result = x;} else {result = y;}result}pub fn min_2(x: isize, y: isize) -> isize {let result;if x >= y {result = y;} else {result = x;}result}pub fn min_2_i32(x: i32, y: i32) -> i32 {let result;if x >= y {result = y;} else {result = x;}result}pub fn max_3(x: isize, y: isize, z: isize) -> isize {let result;if x >= y && y >= z {result = x;} else if x >= z && z >= y {result = x;} else if y >= x && x >= z {result = y;} else if y >= z && z >= x {result = y;} else if z >= x && x >= y {result = z;} else {result = z;}result}pub fn max_u_3(x: usize, y: usize, z: usize) -> usize {let result;if x >= y && y >= z {result = x;} else if x >= z && z >= y {result = x;} else if y >= x && x >= z {result = y;} else if y >= z && z >= x {result = y;} else if z >= x && x >= y {result = z;} else {result = z;}result}pub fn min_3(x: isize, y: isize, z: isize) -> isize {let result;if x <= y && y <= z {result = x;} else if x <= z && z <= y {result = x;} else if y <= x && x <= z {result = y;} else if y <= z && z <= x {result = y;} else if z <= x && x <= y {result = z;} else {result = z;}result}pub fn min_u_3(x: usize, y: usize, z: usize) -> usize {let result;if x <= y && y <= z {result = x;} else if x <= z && z <= y {result = x;} else if y <= x && x <= z {result = y;} else if y <= z && z <= x {result = y;} else if z <= x && x <= y {result = z;} else {result = z;}result}pub fn read_text() -> String {let mut word = String::new();std::io::stdin().read_line(&mut word).ok();let answer = word.trim().to_string();answer}pub fn read_array() -> Vec<char> {let array: String = read();let chars: Vec<char> = array.trim().chars().collect::<Vec<char>>();chars}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")}