Submission #3230383


Source Code Expand

#![allow(unused_imports)]
use std::io::*;
use std::fmt::*;
use std::str::*;
use std::cmp::*;
use std::collections::*;

pub trait InputValue {
    fn parse(s: &str) -> Self;
}

pub fn read<T: InputValue>() -> T {
    let mut buf = String::new();
    let _ = stdin().read_line(&mut buf);
    T::parse(&buf.trim())
}

pub fn readn<T: InputValue>(n: usize) -> Vec<T> {
    let mut vec = vec![];
    for _ in 0..n {
        vec.push(read());
    }
    vec
}

pub fn readnc<T: InputValue>() -> Vec<T> {
    let mut vec = vec![];
    let line: String = read();
    for token in line.split_whitespace() {
        vec.push(T::parse(token));
    }
    vec
}

macro_rules! parse_single_value {
    ($($t:ty),*) => {
        $(
            impl InputValue for $t {
                fn parse(s: &str) -> $t { s.parse().unwrap() }
            }
        )*
	}
}
parse_single_value!(i32, i64, f32, f64, usize, String);

macro_rules! parse_tuple {
	($($t:ident),*) => {
		impl<$($t),*> InputValue for ($($t),*) where $($t: InputValue),* {
			fn parse(s: &str) -> ($($t),*) {
				let mut tokens = s.split_whitespace();
				let t = ($($t::parse(tokens.next().unwrap())),*);
				t
			}
		}
	}
}
parse_tuple!(A, B);
parse_tuple!(A, B, C);
parse_tuple!(A, B, C, D);
parse_tuple!(A, B, C, D, E);

// ===

const INF: usize = 100010;

fn main() {
    let (n, c): (usize, usize) = read();
    let mut ranges = vec![vec![]; c];
    for _i in 0..n {
        let (s, t, ci): (usize, usize, usize) = read();
        ranges[ci-1].push((s, t));
    }

    let mut imo = vec![0; INF+10];
    for i in 0..c {
        ranges[i].sort();
        let mut mod_ranges = vec![];
        let mut last_s = INF;
        let mut last_t = INF;
        for &(s, t) in &ranges[i] {
            if s == last_t {
                last_t = t;
            } else {
                if last_t != INF {
                    mod_ranges.push((last_s, last_t));
                }
                last_s = s;
                last_t = t;
            }
        }
        if last_t != INF {
            mod_ranges.push((last_s, last_t));
        }
        for (s, t) in mod_ranges {
            imo[s] += 1;
            imo[t+1] -= 1;
        }
    }

    let mut ans = 0;
    for i in 0..INF {
        imo[i+1] += imo[i];
        ans = max(ans, imo[i+1]);
    }
    println!("{}", ans);
}

Submission Info

Submission Time
Task D - Recording
User hamadu
Language Rust (1.15.1)
Score 400
Code Size 2431 Byte
Status AC
Exec Time 35 ms
Memory 8444 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
AC × 3
AC × 22
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, sample_01.txt, sample_02.txt, sample_03.txt
Case Name Status Exec Time Memory
01.txt AC 34 ms 6396 KB
02.txt AC 34 ms 6396 KB
03.txt AC 34 ms 6396 KB
04.txt AC 33 ms 6396 KB
05.txt AC 35 ms 6396 KB
06.txt AC 18 ms 6396 KB
07.txt AC 13 ms 6396 KB
08.txt AC 2 ms 4352 KB
09.txt AC 34 ms 6396 KB
10.txt AC 34 ms 6396 KB
11.txt AC 34 ms 6396 KB
12.txt AC 2 ms 4352 KB
13.txt AC 2 ms 4352 KB
14.txt AC 2 ms 4352 KB
15.txt AC 2 ms 4352 KB
16.txt AC 34 ms 6396 KB
17.txt AC 34 ms 6396 KB
18.txt AC 34 ms 6396 KB
19.txt AC 35 ms 8444 KB
sample_01.txt AC 2 ms 4352 KB
sample_02.txt AC 2 ms 4352 KB
sample_03.txt AC 2 ms 4352 KB