結果
| 問題 | No.920 あかあお |
| ユーザー |
 kenichi
|
| 提出日時 | 2023-06-17 16:07:20 |
| 言語 | Rust (1.83.0 + proconio) |
| 結果 |
AC
|
| 実行時間 | 1 ms / 2,000 ms |
| コード長 | 4,711 bytes |
| コンパイル時間 | 13,698 ms |
| コンパイル使用メモリ | 379,208 KB |
| 実行使用メモリ | 5,376 KB |
| 最終ジャッジ日時 | 2024-06-25 06:30:32 |
| 合計ジャッジ時間 | 14,616 ms |
|
ジャッジサーバーID （参考情報） |
judge2 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 11 |
コンパイルメッセージ
warning: variable `flag` is assigned to, but never used --> src/main.rs:18:10 | 18 | let mut flag = 0; | ^^^^ | = note: consider using `_flag` instead = note: `#[warn(unused_variables)]` on by default warning: variable `tmp` is assigned to, but never used --> src/main.rs:19:10 | 19 | let mut tmp = 0; | ^^^ | = note: consider using `_tmp` instead warning: value assigned to `flag` is never read --> src/main.rs:28:3 | 28 | flag = 0; | ^^^^ | = help: maybe it is overwritten before being read? = note: `#[warn(unused_assignments)]` on by default warning: value assigned to `flag` is never read --> src/main.rs:32:4 | 32 | flag = 1; | ^^^^ | = help: maybe it is overwritten before being read? warning: value assigned to `tmp` is never read --> src/main.rs:37:5 | 37 | tmp = 1; | ^^^ | = help: maybe it is overwritten before being read? warning: value assigned to `flag` is never read --> src/main.rs:41:5 | 41 | flag = 1; | ^^^^ | = help: maybe it is overwritten before being read? warning: value assigned to `tmp` is never read --> src/main.rs:47:5 | 47 | tmp = 1; | ^^^ | = help: maybe it is overwritten before being read? warning: value assigned to `flag` is never read --> src/main.rs:51:5 | 51 | flag = 1; | ^^^^ | = help: maybe it is overwritten before being read? warning: value assigned to `flag` is never read --> src/main.rs:58:4 | 58 | flag = 1; | ^^^^ | = help: maybe it is overwritten before being read? warning: value assigned to `flag` is never read --> src/main.rs:64:4 | 64 | flag = 1; | ^^^^ | = help: maybe it is overwritten before being read?
ソースコード
use std::io::*;use std::str::FromStr;//use std::num;//use std::cmp;//use std::collections::VecDeque;//use std::io::{self, BufRead};/*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 mut x: usize = read();let mut y: usize = read();let mut z: usize = read();let mut ans = 0;let mut flag = 0;let mut tmp = 0;let a = min_u_2(x, y);ans += a;x -= a;y -= a;loop {flag = 0;if x == 0 && y == 0 && z >= 2 {ans += z / 2;z -= (z / 2) * 2;flag = 1;} else if x == 0 {if y > z {x += z;z = 0;tmp = 1;} else {z -= y;x += y;flag = 1;}} else if y == 0 {if x > z {y += z;z = 0;tmp = 1;} else {z -= x;y += x;flag = 1;}} else if x >= y {let b = min_u_2(x, y);ans += b;x -= b;y -= b;flag = 1;}else if y >= x{let b = min_u_2(x, y);ans += b;x -= b;y -= b;flag = 1;}if (x != 0 && y == 0 && z == 0) || (x == 0 && y == 0 && z < 2) || (x == 0 && y != 0 && z == 0){break;}}print!("{}", ans);}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(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")}