結果

問題 No.3180 angles sum
コンテスト
ユーザー Moss_Local
提出日時 2025-06-13 21:45:06
言語 Rust
(1.83.0 + proconio)
結果
AC  
実行時間 343 ms / 2,000 ms
コード長 3,347 bytes
コンパイル時間 10,673 ms
コンパイル使用メモリ 398,892 KB
実行使用メモリ 7,844 KB
最終ジャッジ日時 2025-06-14 01:40:31
合計ジャッジ時間 16,469 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge1
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 1
other AC * 17
権限があれば一括ダウンロードができます
コンパイルメッセージ
warning: variable does not need to be mutable
   --> src/main.rs:109:9
    |
109 |     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:115:9
    |
115 |     let mut vec: Vec<i64> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:120:9
    |
120 |     let mut vec: Vec<usize> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:125:9
    |
125 |     let mut vec: Vec<usize> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`

warning: variable does not need to be mutable
   --> src/main.rs:134:13
    |
134 |         let mut vec: Vec<i64> = read_vec();
    |             ----^^^
    |             |
    |             help: remove this `mut`

ソースコード

diff # 

// -*- coding:utf-8-unix -*-
// #![feature(map_first_last)]
#![allow(dead_code)]
#![allow(unused_imports)]
#![allow(unused_macros)]

use std::cmp::*;
use std::collections::*;
use std::fmt::*;
use std::hash::*;
use std::io::BufRead;
use std::iter::FromIterator;
use std::*;

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;

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
        }
    };
}

//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])
}

fn readuuu() -> (usize, usize, usize) {
    let mut vec: Vec<usize> = read_vec();
    (vec[0], vec[1], vec[2])
}

use std::io::{self, Read};
fn main() {
    let t = read::<usize>();

    for _ in 0..t {
        let mut vec: Vec<i64> = read_vec();
        let (ax, ay, bx, by, cx, cy) = (vec[0], vec[1], vec[2], vec[3], vec[4], vec[5]);

        let px = (ax as i128) * (bx as i128) - (ay as i128) * (by as i128);
        let py = (ax as i128) * (by as i128) + (ay as i128) * (bx as i128);
        //ABを複素乗算したベクトルとCが外積が0のとき、内積が正のときYes
        let cross = px * (cy as i128) - py * (cx as i128);
        let dot = px * (cx as i128) + py * (cy as i128);
        if cross == 0 && dot > 0 {
            println!("Yes");
        } else {
            println!("No");
        }
    }
}
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