結果
| 問題 | No.2716 Falcon Method |
| ユーザー |
 Moss_Local
|
| 提出日時 | 2024-04-05 22:25:00 |
| 言語 | Rust (1.77.0 + proconio) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 8,193 bytes |
| コンパイル時間 | 12,482 ms |
| コンパイル使用メモリ | 382,360 KB |
| 実行使用メモリ | 7,612 KB |
| 最終ジャッジ日時 | 2024-10-01 02:37:23 |
| 合計ジャッジ時間 | 16,152 ms |
|
ジャッジサーバーID （参考情報） |
judge1 / judge3 |
（要ログイン）
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 | AC | 1 ms
6,820 KB |
| testcase_26 | AC | 1 ms
6,820 KB |
| testcase_27 | WA | - |
| testcase_28 | WA | - |
コンパイルメッセージ
warning: variable does not need to be mutable
--> src/main.rs:122:9
|
122 | let mut vec: Vec<i64> = read_vec();
| ----^^^
| |
| help: remove this `mut`
|
= note: `#[warn(unused_mut)]` on by default
warning: variable does not need to be mutable
--> src/main.rs:128:9
|
128 | let mut vec: Vec<i64> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: variable does not need to be mutable
--> src/main.rs:133:9
|
133 | let mut vec: Vec<usize> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: variable does not need to be mutable
--> src/main.rs:139:9
|
139 | let mut vec: Vec<f64> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: variable does not need to be mutable
--> src/main.rs:144:9
|
144 | let mut vec: Vec<char> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: variable does not need to be mutable
--> src/main.rs:149:9
|
149 | let mut vec: Vec<usize> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: variable does not need to be mutable
--> src/main.rs:154:9
|
154 | let mut vec: Vec<i64> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: variable does not need to be mutable
--> src/main.rs:160:9
|
160 | let mut vec: Vec<usize> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: unused variable: `v`
--> src/main.rs:252:13
|
252 | for (k, v) in map_t.iter() {
| ^ help: if this is intentional, prefix it with an underscore: `_v`
|
= note: `#[warn(unused_variables)]` on by default
warning: variable does not need to be mutable
--> src/main.rs:241:9
|
241 | let m
ソースコード
// -*- coding:utf-8-unix -*-
// #![feature(map_first_last)]
#![allow(dead_code)]
#![allow(unused_imports)]
#![allow(unused_macros)]
// 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) => {
eprintln!("{:?}", $x);
};
}
macro_rules! yn {
($val:expr) => {
if $val {
println!("Yes");
} else {
println!("No");
}
};
}
macro_rules! map{
// declear btreemap
($($key:expr => $val:expr),*) => {
{
let mut map = ::std::collections::BTreeMap::new();
$(
map.insert($key, $val);
)*
map
}
};
}
macro_rules! set{
// declear btreemap
($($key:expr),*) => {
{
let mut set = ::std::collections::BTreeSet::new();
$(
set.insert($key);
)*
set
}
};
}
fn main() {
solve();
}
//input output
#[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 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 vec: Vec<i64> = read_vec();
(vec[0], vec[1])
}
#[allow(dead_code)]
fn readiii() -> (i64, i64, i64) {
let mut vec: Vec<i64> = read_vec();
(vec[0], vec[1], vec[2])
}
#[allow(dead_code)]
fn readuu() -> (usize, usize) {
let mut vec: Vec<usize> = read_vec();
(vec[0], vec[1])
}
#[allow(dead_code)]
fn readff() -> (f64, f64) {
let mut vec: Vec<f64> = read_vec();
(vec[0], vec[1])
}
fn readcc() -> (char, char) {
let mut vec: Vec<char> = read_vec();
(vec[0], vec[1])
}
fn readuuu() -> (usize, usize, usize) {
let mut vec: Vec<usize> = read_vec();
(vec[0], vec[1], vec[2])
}
#[allow(dead_code)]
fn readiiii() -> (i64, i64, i64, i64) {
let mut vec: Vec<i64> = read_vec();
(vec[0], vec[1], vec[2], vec[3])
}
#[allow(dead_code)]
fn readuuuu() -> (usize, usize, usize, usize) {
let mut vec: Vec<usize> = read_vec();
(vec[0], vec[1], vec[2], vec[3])
}
fn read_imat(h: usize) -> Vec<Vec<i64>> {
(0..h).map(|_| read_vec()).collect()
}
fn read_cmat(h: usize) -> Vec<Vec<char>> {
(0..h).map(|_| read::<String>().chars().collect()).collect()
}
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 is_upper_string(s: String, t: String) -> bool {
let mut s = s.chars().collect::<Vec<char>>();
let mut t = t.chars().collect::<Vec<char>>();
let mut map_s = HashMap::new();
let mut map_t = HashMap::new();
for i in 0..s.len() {
*map_s.entry(s[i]).or_insert(0) += 1;
}
for i in 0..t.len() {
*map_t.entry(t[i]).or_insert(0) += 1;
}
let mut cnt = 0;
for (k, v) in map_t.iter() {
if map_s.contains_key(k) {
if map_s[k] < map_t[k] {
cnt += map_t[k] - map_s[k];
} else if map_s[k] > map_t[k] {
return false;
}
} else {
cnt += map_t[k];
}
}
cnt == 1
}
fn solve() {
let (n, q) = readuu();
let mut v: Vec<char> = read::<String>().chars().map(|c| c as char).collect();
let mut suffix_sum = vec![(0, 0); n + 1];
let mut prefix_sum = vec![(0, 0); n + 1];
for i in (0..n).rev() {
if v[i] == 'd' {
suffix_sum[i].0 = suffix_sum[i + 1].0 + 1;
suffix_sum[i].1 = suffix_sum[i + 1].1;
} else {
suffix_sum[i].0 = suffix_sum[i + 1].0;
suffix_sum[i].1 = suffix_sum[i + 1].1 + 1;
}
}
for i in 0..n {
if v[i] == 'd' {
prefix_sum[i + 1].0 = prefix_sum[i].0 + 1;
prefix_sum[i + 1].1 = prefix_sum[i].1;
} else {
prefix_sum[i + 1].0 = prefix_sum[i].0;
prefix_sum[i + 1].1 = prefix_sum[i].1 + 1;
}
}
let ah = prefix_sum[n].0;
let aw = prefix_sum[n].1;
for i in 0..q {
let (h, w, p) = readuuu();
let mut pos = p;
let mut num_h = if ah != 0 { h / ah } else { UINF };
let mut num_w = if aw != 0 { w / aw } else { UINF };
let num = min(num_h, num_w);
if num > 0 {
pos = 0;
}
let mut cur_h = num * ah;
let mut cur_w = num * aw;
if cur_h == h || cur_w == w {
p!(0);
continue;
}
let f = |x: i64| -> bool {
let x = x as usize;
let add_h = prefix_sum[x].0 - prefix_sum[pos].0;
let add_w = prefix_sum[x].1 - prefix_sum[pos].1;
let nh = cur_h + add_h;
let nw = cur_w + add_w;
return nh < h && nw < w;
};
let mut ok = pos as i64;
let mut ng = n as i64;
while (ng - ok).abs() > 1 {
let mid = (ok + ng) / 2;
if f(mid) {
ok = mid;
} else {
ng = mid;
}
}
p!(ok + 1);
}
return;
}