結果
| 問題 | No.2021 Not A but B |
| ユーザー |
 kenichi
|
| 提出日時 | 2023-08-10 17:33:08 |
| 言語 | Rust (1.77.0 + proconio) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 5,092 bytes |
| コンパイル時間 | 13,610 ms |
| コンパイル使用メモリ | 379,264 KB |
| 実行使用メモリ | 5,248 KB |
| 最終ジャッジ日時 | 2024-11-17 02:11:00 |
| 合計ジャッジ時間 | 14,603 ms |
|
ジャッジサーバーID （参考情報） |
judge3 / 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 | WA | - |
| testcase_01 | WA | - |
| testcase_02 | WA | - |
| testcase_03 | WA | - |
| testcase_04 | WA | - |
| testcase_05 | WA | - |
| testcase_06 | WA | - |
| testcase_07 | WA | - |
| testcase_08 | WA | - |
| testcase_09 | WA | - |
| testcase_10 | WA | - |
| testcase_11 | WA | - |
| testcase_12 | WA | - |
| testcase_13 | WA | - |
| testcase_14 | WA | - |
| testcase_15 | WA | - |
| testcase_16 | WA | - |
| testcase_17 | WA | - |
| testcase_18 | WA | - |
| testcase_19 | WA | - |
| testcase_20 | WA | - |
| testcase_21 | WA | - |
| testcase_22 | WA | - |
| testcase_23 | WA | - |
| testcase_24 | WA | - |
| testcase_25 | WA | - |
| testcase_26 | WA | - |
| testcase_27 | WA | - |
| testcase_28 | WA | - |
| testcase_29 | WA | - |
コンパイルメッセージ
warning: variable `ans` is assigned to, but never used --> src/main.rs:13:13 | 13 | let mut ans = n - 1; | ^^^ | = note: consider using `_ans` instead = note: `#[warn(unused_variables)]` on by default warning: value assigned to `ans` is never read --> src/main.rs:34:5 | 34 | ans -= tmp; | ^^^ | = 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 n: usize = read();
let s: Vec<char> = read_array();
let mut ans = n - 1;
let mut b_unbroken = 0;
let mut tmp = 0;
for _i in 0..s.len(){
if s[_i] == 'B'{
b_unbroken += 1;
}
if _i < s.len() - 2{
if s[_i] == 'B' && s[_i + 1] == 'A' && s[_i + 2] == 'B'{
tmp += 1;
}
}
if s[_i] == 'A' || _i == s.len() - 1{
if b_unbroken >= 2{
ans -= b_unbroken - 2;
}
b_unbroken = 0;
}
}
ans -= tmp;
}
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")
}