結果
| 問題 |
No.2753 鳩の巣原理
|
| コンテスト | |
| ユーザー |
Moss_Local
|
| 提出日時 | 2023-08-21 23:09:17 |
| 言語 | Rust (1.83.0 + proconio) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 9,338 bytes |
| コンパイル時間 | 12,168 ms |
| コンパイル使用メモリ | 395,920 KB |
| 実行使用メモリ | 25,740 KB |
| 平均クエリ数 | 11.00 |
| 最終ジャッジ日時 | 2024-12-15 14:48:45 |
| 合計ジャッジ時間 | 17,341 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 6 WA * 24 |
コンパイルメッセージ
warning: unused variable: `i`
--> src/main.rs:342:9
|
342 | for i in 0..10 {
| ^ help: if this is intentional, prefix it with an underscore: `_i`
|
= note: `#[warn(unused_variables)]` on by default
warning: unused variable: `right_num`
--> src/main.rs:347:13
|
347 | let right_num = right - mid;
| ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_num`
warning: unused variable: `right_val_num`
--> src/main.rs:349:13
|
349 | let right_val_num = right_value - x;
| ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_val_num`
ソースコード
// -*- coding:utf-8-unix -*-
// #![feature(map_first_last)]
#![allow(dead_code)]
#![allow(unused_imports)]
#![allow(unused_macros)]
use std::arch::x86_64::_MM_FROUND_NEARBYINT;
// use core::num;
use std::cmp::*;
use std::fmt::*;
use std::hash::*;
use std::iter::FromIterator;
use std::*;
use std::{cmp, collections, fmt, io, iter, ops, str};
const INF: i64 = 1223372036854775807;
const UINF: usize = INF as usize;
const LINF: i64 = 2147483647;
const INF128: i128 = 1223372036854775807000000000000;
const MOD1: i64 = 1000000007;
const MOD9: i64 = 998244353;
const MOD: i64 = MOD9;
// const MOD: i64 = MOD2;
const UMOD: usize = MOD as usize;
const M_PI: f64 = 3.14159265358979323846;
// use proconio::input;
// const MOD: i64 = INF;
use cmp::Ordering::*;
use std::collections::*;
use std::io::stdin;
use std::io::stdout;
use std::io::Write;
macro_rules! p {
($x:expr) => {
//if expr
println!("{}", $x);
};
}
macro_rules! vp {
// vector print separate with space
($x:expr) => {
println!(
"{}",
$x.iter()
.map(|x| x.to_string())
.collect::<Vec<_>>()
.join(" ")
);
};
}
macro_rules! d {
($x:expr) => {
println!("{:?}", $x);
};
}
macro_rules! yn {
($val:expr) => {
if $val {
println!("Yes");
} else {
println!("No");
}
};
}
fn main() {
solve();
}
// use str::Chars;
#[allow(dead_code)]
fn read<T: std::str::FromStr>() -> T {
let mut s = String::new();
std::io::stdin().read_line(&mut s).ok();
s.trim().parse().ok().unwrap()
}
#[allow(dead_code)]
fn readi() -> i64 {
let mut str = String::new();
let _ = stdin().read_line(&mut str).unwrap();
let mut iter = str.split_whitespace();
iter.next().unwrap().parse::<i64>().unwrap()
}
#[allow(dead_code)]
fn read_vec<T: std::str::FromStr>() -> Vec<T> {
read::<String>()
.split_whitespace()
.map(|e| e.parse().ok().unwrap())
.collect()
}
#[allow(dead_code)]
fn read_mat<T: std::str::FromStr>(n: u32) -> Vec<Vec<T>> {
(0..n).map(|_| read_vec()).collect()
}
#[allow(dead_code)]
fn readii() -> (i64, i64) {
let mut str = String::new();
let _ = stdin().read_line(&mut str).unwrap();
let mut iter = str.split_whitespace();
(
iter.next().unwrap().parse::<i64>().unwrap(),
iter.next().unwrap().parse::<i64>().unwrap(),
)
}
#[allow(dead_code)]
fn readiii() -> (i64, i64, i64) {
let mut str = String::new();
let _ = stdin().read_line(&mut str).unwrap();
let mut iter = str.split_whitespace();
(
iter.next().unwrap().parse::<i64>().unwrap(),
iter.next().unwrap().parse::<i64>().unwrap(),
iter.next().unwrap().parse::<i64>().unwrap(),
)
}
#[allow(dead_code)]
fn readuu() -> (usize, usize) {
let mut str = String::new();
let _ = stdin().read_line(&mut str).unwrap();
let mut iter = str.split_whitespace();
(
iter.next().unwrap().parse::<usize>().unwrap(),
iter.next().unwrap().parse::<usize>().unwrap(),
)
}
#[allow(dead_code)]
fn readff() -> (f64, f64) {
let mut str = String::new();
let _ = stdin().read_line(&mut str).unwrap();
let mut iter = str.split_whitespace();
(
iter.next().unwrap().parse::<f64>().unwrap(),
iter.next().unwrap().parse::<f64>().unwrap(),
)
}
fn readcc() -> (char, char) {
let mut str = String::new();
let _ = stdin().read_line(&mut str).unwrap();
let mut iter = str.split_whitespace();
(
iter.next().unwrap().parse::<char>().unwrap(),
iter.next().unwrap().parse::<char>().unwrap(),
)
}
fn readuuu() -> (usize, usize, usize) {
let mut str = String::new();
let _ = stdin().read_line(&mut str).unwrap();
let mut iter = str.split_whitespace();
(
iter.next().unwrap().parse::<usize>().unwrap(),
iter.next().unwrap().parse::<usize>().unwrap(),
iter.next().unwrap().parse::<usize>().unwrap(),
)
}
#[allow(dead_code)]
fn readiiii() -> (i64, i64, i64, i64) {
let mut str = String::new();
let _ = stdin().read_line(&mut str).unwrap();
let mut iter = str.split_whitespace();
(
iter.next().unwrap().parse::<i64>().unwrap(),
iter.next().unwrap().parse::<i64>().unwrap(),
iter.next().unwrap().parse::<i64>().unwrap(),
iter.next().unwrap().parse::<i64>().unwrap(),
)
}
#[allow(dead_code)]
fn readuuuu() -> (usize, usize, usize, usize) {
let mut str = String::new();
let _ = stdin().read_line(&mut str).unwrap();
let mut iter = str.split_whitespace();
(
iter.next().unwrap().parse::<usize>().unwrap(),
iter.next().unwrap().parse::<usize>().unwrap(),
iter.next().unwrap().parse::<usize>().unwrap(),
iter.next().unwrap().parse::<usize>().unwrap(),
)
}
#[derive(Clone, Debug)]
struct MultiSet {
set: BTreeSet<i64>,
map: HashMap<i64, i64>,
}
impl MultiSet {
fn new() -> MultiSet {
MultiSet {
set: BTreeSet::new(),
map: HashMap::new(),
}
}
///multiset的に書き出し
fn print(&self) {
print!("{{ ");
for x in &self.set {
if let Some(&num) = self.map.get(x) {
for _i in 0..num {
print!("{} ", x);
}
}
}
println!("}}");
}
///重複許可挿入
fn insert(&mut self, i: i64) -> Option<i64> {
if let Some(_i) = self.set.get(&i) {
//setにある
*self.map.entry(i).or_insert(0) += 1;
} else {
//setにない
self.set.insert(i);
*self.map.entry(i).or_insert(0) += 1;
}
return Some(i);
}
///1つ削除
fn erase(&mut self, e: i64) -> Option<i64> {
if let Some(_e) = self.set.get(&e) {
//setにある
*self.map.entry(e).or_insert(0) -= 1;
if self.map[&e] == 0 {
//なくなった
self.set.take(&e);
}
return Some(e);
} else {
//setにない
return None;
}
}
///最小値の取得
fn get_min(&self) -> Option<i64> {
if let Some(&m) = self.set.iter().nth(0) {
return Some(m);
} else {
return None;
}
}
///最大値の取得
fn get_max(&self) -> Option<i64> {
if let Some(&m) = self.set.iter().last() {
return Some(m);
} else {
return None;
}
}
}
pub struct Dsu {
n: usize,
// root node: -1 * component size
// otherwise: parent
parent_or_size: Vec<i32>,
}
impl Dsu {
// 0 <= size <= 10^8 is constrained.
pub fn new(size: usize) -> Self {
Self {
n: size,
parent_or_size: vec![-1; size],
}
}
pub fn merge(&mut self, a: usize, b: usize) -> usize {
assert!(a < self.n);
assert!(b < self.n);
let (mut x, mut y) = (self.leader(a), self.leader(b));
if x == y {
return x;
}
if -self.parent_or_size[x] < -self.parent_or_size[y] {
std::mem::swap(&mut x, &mut y);
}
self.parent_or_size[x] += self.parent_or_size[y];
self.parent_or_size[y] = x as i32;
x
}
pub fn same(&mut self, a: usize, b: usize) -> bool {
assert!(a < self.n);
assert!(b < self.n);
self.leader(a) == self.leader(b)
}
pub fn leader(&mut self, a: usize) -> usize {
assert!(a < self.n);
if self.parent_or_size[a] < 0 {
return a;
}
self.parent_or_size[a] = self.leader(self.parent_or_size[a] as usize) as i32;
self.parent_or_size[a] as usize
}
pub fn size(&mut self, a: usize) -> usize {
assert!(a < self.n);
let x = self.leader(a);
-self.parent_or_size[x] as usize
}
pub fn groups(&mut self) -> Vec<Vec<usize>> {
let mut leader_buf = vec![0; self.n];
let mut group_size = vec![0; self.n];
for i in 0..self.n {
leader_buf[i] = self.leader(i);
group_size[leader_buf[i]] += 1;
}
let mut result = vec![Vec::new(); self.n];
for i in 0..self.n {
result[i].reserve(group_size[i]);
}
for i in 0..self.n {
result[leader_buf[i]].push(i);
}
result
.into_iter()
.filter(|x| !x.is_empty())
.collect::<Vec<Vec<usize>>>()
}
}
fn solve() {
let n: usize = read();
let mut left = 0 as usize;
let mut right = n;
let mut left_value = 0;
let mut right_value = n - 1;
for i in 0..10 {
let mid = (left + right) / 2;
println!("? {}", mid);
let x: usize = read();
let left_num = mid + 1 - left;
let right_num = right - mid;
let left_val_num = x + 1 - left_value;
let right_val_num = right_value - x;
if left_val_num < left_num {
right = mid + 1;
right_value = x;
} else {
left = mid;
left_value = x + 1;
}
}
println!("Yes {} {}", left_value + 1, left_value + 2);
return;
}
Moss_Local