結果
問題 | No.791 うし数列 |
ユーザー | kenichi |
提出日時 | 2023-06-11 12:11:37 |
言語 | Rust (1.77.0 + proconio) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,910 bytes |
コンパイル時間 | 14,854 ms |
コンパイル使用メモリ | 384,268 KB |
実行使用メモリ | 6,940 KB |
最終ジャッジ日時 | 2024-06-11 00:59:34 |
合計ジャッジ時間 | 15,950 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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
5,248 KB |
testcase_01 | AC | 1 ms
5,248 KB |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 1 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 1 ms
5,376 KB |
testcase_09 | AC | 1 ms
5,376 KB |
testcase_10 | AC | 1 ms
5,376 KB |
testcase_11 | AC | 1 ms
5,376 KB |
testcase_12 | AC | 1 ms
5,376 KB |
testcase_13 | AC | 1 ms
5,376 KB |
testcase_14 | AC | 1 ms
5,376 KB |
testcase_15 | AC | 1 ms
5,376 KB |
testcase_16 | AC | 1 ms
5,376 KB |
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}; fn main() { let n: Vec<char> = read_array(); let mut flag = 0; let mut ans = 0; if n.len() == 1{ print!("-1"); }else{ for _i in 0..n.len(){ if _i == 0{ if n[_i] != '1'{ print!("-1"); flag = 1; break; } }else{ if n[_i] != '3'{ print!("-1"); flag = 1; break; }else{ ans += 1; } } } } if flag == 0{ 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_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: 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_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") }