結果

問題 No.279 木の数え上げ
ユーザー kenichikenichi
提出日時 2023-04-13 18:11:00
言語 Rust
(1.77.0 + proconio)
結果
AC  
実行時間 9 ms / 2,000 ms
コード長 4,780 bytes
コンパイル時間 24,840 ms
コンパイル使用メモリ 400,700 KB
実行使用メモリ 7,568 KB
最終ジャッジ日時 2024-10-09 15:49:36
合計ジャッジ時間 15,497 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge2
このコードへのチャレンジ
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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
6,816 KB
testcase_01 AC 1 ms
6,820 KB
testcase_02 AC 1 ms
6,820 KB
testcase_03 AC 1 ms
6,820 KB
testcase_04 AC 1 ms
6,816 KB
testcase_05 AC 1 ms
6,824 KB
testcase_06 AC 1 ms
6,816 KB
testcase_07 AC 1 ms
6,820 KB
testcase_08 AC 1 ms
6,816 KB
testcase_09 AC 1 ms
6,820 KB
testcase_10 AC 9 ms
7,240 KB
testcase_11 AC 3 ms
6,816 KB
testcase_12 AC 7 ms
6,820 KB
testcase_13 AC 2 ms
6,816 KB
testcase_14 AC 9 ms
7,568 KB
testcase_15 AC 7 ms
6,816 KB
testcase_16 AC 7 ms
6,816 KB
testcase_17 AC 9 ms
7,500 KB
testcase_18 AC 5 ms
6,816 KB
testcase_19 AC 8 ms
7,244 KB
testcase_20 AC 8 ms
7,540 KB
権限があれば一括ダウンロードができます

ソースコード

diff # 

use std::io::*;
use std::str::FromStr;
//use std::num;
//use std::cmp;
//use std::collections::VecDeque;

// const CHARSET: &str = "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ";
/*
struct User {
	nickname: String,
	old: usize,
	birth: String,
	state: String,
}
*/
fn main() {
	/*
	let class_room: usize = read();
	let mut n: Vec<String> = vec!["".to_string(); class_room];
	let mut o: Vec<usize> = vec![0; class_room];
	let mut b: Vec<String> = vec!["".to_string(); class_room];
	let mut s: Vec<String> = vec!["".to_string(); class_room];
	let mut users: Vec<User> = Vec::new();

	for _i in 0..class_room {
		n[_i] = read();
		o[_i] = read();
		b[_i] = read();
		s[_i] = read();
	}

	for _i in 0..class_room {
		users.push(User { nickname: String::from(n[_i].to_string()),
						  old: o[_i],
					      birth: String::from(b[_i].to_string()),
					      state: String::from(s[_i].to_string()),
		})
	}

	for _i in 0..class_room {
		println!("User{{");
		println!("nickname : {}", users[_i].nickname);
		println!("old : {}", users[_i].old);
		println!("birth : {}", users[_i].birth);
		println!("state : {}", users[_i].state);
		println!("}}");
	}
	*/

	let s: Vec<char> = read_array();
	let mut count_1 = 0;
	let mut count_2 = 0;
	let mut count_3 = 0;

	for _i in 0..s.len(){
		if s[_i] == 't'{
			count_1 += 1;
		}
		if s[_i] == 'r'{
			count_2 += 1;
		}
		if s[_i] == 'e'{
			count_3 += 1;
		}
	}

	count_3 /= 2;

	print!("{}",min_3(count_1,count_2,count_3));
}

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 max_2(x: usize, y: usize) -> usize {
	let result;

	if x >= y {
		result = x;
	} else {
		result = y;
	}

	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 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 read_line() -> String {
	let mut s: String = String::new();
	std::io::stdin().read_line(&mut s).ok();

	s
}

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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