結果
| 問題 | No.3013 ハチマキ買い星人 |
| ユーザー |
 Moss_Local
|
| 提出日時 | 2025-01-25 13:45:24 |
| 言語 | Rust (1.83.0 + proconio) |
| 結果 |
AC
|
| 実行時間 | 211 ms / 2,000 ms |
| コード長 | 4,233 bytes |
| コンパイル時間 | 10,858 ms |
| コンパイル使用メモリ | 403,124 KB |
| 実行使用メモリ | 23,012 KB |
| 最終ジャッジ日時 | 2025-01-25 22:58:16 |
| 合計ジャッジ時間 | 16,905 ms |
|
ジャッジサーバーID （参考情報） |
judge2 / judge11 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 45 |
コンパイルメッセージ
warning: variable does not need to be mutable
--> src/main.rs:111:9
|
111 | 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:117:9
|
117 | let mut vec: Vec<i64> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: variable does not need to be mutable
--> src/main.rs:122:9
|
122 | let mut vec: Vec<usize> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: variable does not need to be mutable
--> src/main.rs:128:9
|
128 | let mut vec: Vec<f64> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: variable does not need to be mutable
--> src/main.rs:133:9
|
133 | let mut vec: Vec<char> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: variable does not need to be mutable
--> src/main.rs:138:9
|
138 | let mut vec: Vec<usize> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: variable does not need to be mutable
--> src/main.rs:143:9
|
143 | let mut vec: Vec<i64> = 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: unused variable: `i`
--> src/main.rs:187:9
|
187 | for i in 0..p {
| ^ help: if this is intentional, prefix it with an underscore: `_i`
|
= note: `#[warn(unused_variables)]` on by default
warning: variable does not need to be mutable
--> src/main.rs:185:9
|
185 | let mut dist = dijkstra
ソースコード
#![allow(dead_code)]#![allow(unused_imports)]#![allow(unused_macros)]use std::cmp::*;use std::fmt::*;use std::hash::*;use std::io::BufRead;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 UMOD: usize = MOD as usize;const M_PI: f64 = 3.14159265358979323846;use cmp::Ordering::*;use std::collections::*;use std::io::stdin;use std::io::stdout;use std::io::Write;macro_rules! p {($x:expr) => {println!("{}", $x);};}macro_rules! vp {($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 $val {println!("Yes");} else {println!("No");}};}macro_rules! map{($($key:expr => $val:expr),*) => {{let mut map = ::std::collections::BTreeMap::new();$(map.insert($key, $val);)*map}};}macro_rules! set{($($key:expr),*) => {{let mut set = ::std::collections::BTreeSet::new();$(set.insert($key);)*set}};}#[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 dijkstra(graph: &Vec<Vec<(usize, usize)>>, start: usize) -> Vec<usize> {let mut dist = vec![INF as usize; graph.len()];let mut heap = BinaryHeap::new();heap.push(Reverse((0 as usize, start)));dist[start] = 0;while let Some(Reverse(x)) = heap.pop() {let cost = x.0;let v = x.1;if cost > dist[v] {continue;}for edge in &graph[v] {let nc = cost + edge.1;let nv = edge.0;if nc < dist[nv] {heap.push(Reverse((nc, nv)));dist[nv] = nc;}}}return dist;}fn main() {let (n, m, p, y) = readuuuu();let mut graph = vec![vec![(0 as usize, 0 as usize); (0) as usize]; (n) as usize];for _ in 0..m {let (a, b, c) = readuuu();graph[a - 1].push((b - 1, c));graph[b - 1].push((a - 1, c));}let mut dist = dijkstra(&graph, 0);let mut res = 0;for i in 0..p {let (d, e) = readuu();let mut d = d - 1;let yy = y.saturating_sub(dist[d]);res = max(res, yy / e);}p!(res);}