#739030 (Rust) No.1686 Geschenkt

• 問題: No.1686 Geschenkt
• ユーザー: Moss_Local
• 提出日時: 2022-02-12 22:16:47
• 言語: Rust (1.83.0 + proconio)
• 結果: AC
• 実行時間: 1 ms / 2,000 ms
• コード長: 7,562 bytes
• コンパイル時間: 13,906 ms
• コンパイル使用メモリ: 377,256 KB
• 実行使用メモリ: 5,376 KB
• 最終ジャッジ日時: 2024-06-29 01:30:16
• 合計ジャッジ時間: 15,285 ms
• ジャッジサーバーID （参考情報）: judge1 / judge3

ファイルパターン	結果
sample	AC * 3
other	AC * 7

コンパイルメッセージ

warning: unnecessary parentheses around type
  --> src/main.rs:70:15
   |
70 | fn readi() -> (i64) {
   |               ^   ^
   |
   = note: `#[warn(unused_parens)]` on by default
help: remove these parentheses
   |
70 - fn readi() -> (i64) {
70 + fn readi() -> i64 {
   |

warning: variable does not need to be mutable
   --> src/main.rs:264:9
    |
264 |     let mut vec: Vec<usize> = read_vec();
    |         ----^^^
    |         |
    |         help: remove this `mut`
    |
    = note: `#[warn(unused_mut)]` on by default

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::any::Any;
use std::cmp::Ordering::*;
use std::collections::*;
use std::convert::*;
use std::convert::{From, Into};
use std::error::Error;
use std::f64::consts::PI;
use std::fmt::Debug;
use std::fmt::Display;
use std::fs::File;
use std::hash::Hash;
use std::io::prelude::*;
use std::io::*;
use std::iter::Filter;
use std::marker::Copy;
use std::mem::*;
use std::ops::Bound::*;
use std::ops::RangeBounds;
use std::ops::{Add, Mul, Neg, Sub};
use std::slice::from_raw_parts;
use std::str;
use std::vec;

const INF: i64 = 1223372036854775807;
const UINF: usize = INF as usize;
// const FINF: f64 = 122337203685.0;
const LINF: i64 = 2147483647;
const FINF: f64 = LINF as f64;
const INF128: i128 = 1223372036854775807000000000000;
// const MOD: i64 = 1000000007;
const MOD: i64 = 998244353;

const MPI: f64 = 3.14159265358979323846264338327950288f64;
// const MOD: i64 = INF;

const UMOD: usize = MOD as usize;
use std::cmp::*;
use std::collections::*;
use std::io::stdin;
use std::io::stdout;
use std::io::Write;

macro_rules! p {
    ($x:expr) => {
        println!("{}", $x);
    };
}
macro_rules! d {
    ($x:expr) => {
        println!("{:?}", $x);
    };
}

// use str::Chars;

// 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(),
    )
}

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(),
    )
}

#[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(),
    )
}

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(),
    )
}

/// Equivalent to std::lowerbound and std::upperbound in c++
pub trait BinarySearch<T> {
    fn lower_bound(&self, x: &T) -> usize;
    fn upper_bound(&self, x: &T) -> usize;
}
impl<T: Ord> BinarySearch<T> for [T] {
    fn lower_bound(&self, x: &T) -> usize {
        let mut low = 0;
        let mut high = self.len();
        while low != high {
            let mid = (low + high) / 2;
            match self[mid].cmp(x) {
                Ordering::Less => {
                    low = mid + 1;
                }
                Ordering::Equal | Ordering::Greater => {
                    high = mid;
                }
            }
        }
        low
    }
    fn upper_bound(&self, x: &T) -> usize {
        let mut low = 0;
        let mut high = self.len();
        while low != high {
            let mid = (low + high) / 2;
            match self[mid].cmp(x) {
                Ordering::Less | Ordering::Equal => {
                    low = mid + 1;
                }
                Ordering::Greater => {
                    high = mid;
                }
            }
        }
        low
    }
}
#[derive(PartialEq, Eq, Clone, Debug)]
enum Inf<T> {
    Val(T),
    Inf,
}
impl<T: Ord> Inf<T> {
    #[allow(dead_code)]
    fn val(self) -> Option<T> {
        match self {
            Inf::Val(v) => Some(v),
            _ => None,
        }
    }
}
impl<T: PartialOrd> PartialOrd for Inf<T> {
    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
        match (self, other) {
            (&Inf::Inf, &Inf::Inf) => Some(Ordering::Equal),
            (&Inf::Inf, &Inf::Val(_)) => Some(Ordering::Greater),
            (&Inf::Val(_), &Inf::Inf) => Some(Ordering::Less),
            (&Inf::Val(ref a), &Inf::Val(ref b)) => a.partial_cmp(b),
        }
    }
}
impl<T: Ord> Ord for Inf<T> {
    fn cmp(&self, other: &Self) -> Ordering {
        match (self, other) {
            (&Inf::Inf, &Inf::Inf) => Ordering::Equal,
            (&Inf::Inf, &Inf::Val(_)) => Ordering::Greater,
            (&Inf::Val(_), &Inf::Inf) => Ordering::Less,
            (&Inf::Val(ref a), &Inf::Val(ref b)) => a.cmp(b),
        }
    }
}
#[allow(dead_code)]
/// Calculate length of Longest Increasing Subsequence. O(N log N)
pub fn lis<T: Ord>(seq: &[T]) -> usize {
    let mut dp: Vec<Inf<&T>> = vec![Inf::Inf; seq.len() + 1];
    for x in seq.iter() {
        let i = dp.lower_bound(&Inf::Val(x));
        dp[i] = Inf::Val(x);
    }
    dp.lower_bound(&Inf::Inf)
}

fn solve() {
    let n: usize = read();
    let mut vec: Vec<usize> = read_vec();
    let mut st = BTreeSet::new();
    for i in 0..n {
        st.insert(vec[i]);
    }
    let mut res = 0;
    for i in 0..n {
        if !st.contains(&(vec[i] - 1)) {
            res += vec[i];
        }
    }
    p!(res);
    return;
}

fn main() {
    solve();
}