Submission #5743040


Source Code Expand

use std::io::prelude::*;
use std::io::stdin;
use std::str::FromStr;

fn main() {
    let n: u64 = read();

    let mut sum = 0;
    let mut max_i = 0;
    for i in 1..n + 1 {
        sum += i;
        if sum >= n {
            max_i = i;
            break;
        }
    }

    let mut remove = 0;
    for i in 1..n + 1 {
        if sum - i == n {
            remove = i;
            break;
        }
    }

    for i in 1..max_i + 1 {
        if i != remove {
            println!("{}", i);
        }
    }
}

#[allow(dead_code)]
fn read<T: FromStr>() -> T {
    let stdin = stdin();
    let token: String = stdin
        .lock()
        .bytes()
        .map(|b| b.unwrap() as char)
        .skip_while(|c| c.is_whitespace())
        .take_while(|c| !c.is_whitespace())
        .collect();
    token.parse().ok().unwrap()
}

Submission Info

Submission Time
Task B - Exactly N points
User relieved_face
Language Rust (1.15.1)
Score 300
Code Size 870 Byte
Status AC
Exec Time 16 ms
Memory 4352 KB

Judge Result

Set Name sample dataset1 dataset2
Score / Max Score 0 / 0 200 / 200 100 / 100
Status
AC × 3
AC × 13
AC × 24
Set Name Test Cases
sample sample-01.txt, sample-02.txt, sample-03.txt
dataset1 sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt
dataset2 sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 02-01.txt, 02-02.txt, 02-03.txt, 02-04.txt, 02-05.txt, 02-06.txt, 02-07.txt, 02-08.txt, sample-01.txt, sample-02.txt, sample-03.txt
Case Name Status Exec Time Memory
01-01.txt AC 2 ms 4352 KB
01-02.txt AC 2 ms 4352 KB
01-03.txt AC 2 ms 4352 KB
01-04.txt AC 2 ms 4352 KB
01-05.txt AC 2 ms 4352 KB
01-06.txt AC 2 ms 4352 KB
01-07.txt AC 2 ms 4352 KB
01-08.txt AC 2 ms 4352 KB
01-09.txt AC 2 ms 4352 KB
01-10.txt AC 2 ms 4352 KB
02-01.txt AC 10 ms 4352 KB
02-02.txt AC 16 ms 4352 KB
02-03.txt AC 10 ms 4352 KB
02-04.txt AC 10 ms 4352 KB
02-05.txt AC 10 ms 4352 KB
02-06.txt AC 6 ms 4352 KB
02-07.txt AC 5 ms 4352 KB
02-08.txt AC 9 ms 4352 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