Submission #1385265
Source Code Expand
use std::io; use std::collections::VecDeque; fn main() { let mut input = Input::new(); let n: usize = input.next(); let mut a: Vec<(usize, usize)> = (0..n).map(|_| input.next::<usize>()).enumerate().collect(); a.sort_by(|a, b| a.1.cmp(&b.1)); for i in 0..n { a[i].1 = i; } println!("{}", a.iter().filter(|&&(i, v)| i % 2 == 0 && v % 2 == 1).count()); } struct Input { queue: VecDeque<String>, } impl Input { fn new() -> Input { Input { queue: VecDeque::new() } } fn next<T>(&mut self) -> T where T: std::str::FromStr, T::Err: std::fmt::Debug { if self.queue.is_empty() { let mut line = String::new(); let _ = io::stdin().read_line(&mut line); for x in line.split_whitespace() { self.queue.push_back(String::from(x)); } } return self.queue.pop_front().unwrap().parse::<T>().unwrap(); } }
Submission Info
Submission Time | |
---|---|
Task | C - BBuBBBlesort! |
User | hoshi524 |
Language | Rust (1.15.1) |
Score | 600 |
Code Size | 1022 Byte |
Status | AC |
Exec Time | 31 ms |
Memory | 6524 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 600 / 600 | ||||
Status |
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Set Name | Test Cases |
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Sample | s1.txt, s2.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, 20.txt, 21.txt, 22.txt, s1.txt, s2.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | AC | 31 ms | 6396 KB |
02.txt | AC | 31 ms | 6396 KB |
03.txt | AC | 31 ms | 6396 KB |
04.txt | AC | 31 ms | 6396 KB |
05.txt | AC | 28 ms | 6396 KB |
06.txt | AC | 28 ms | 6396 KB |
07.txt | AC | 28 ms | 6396 KB |
08.txt | AC | 22 ms | 6396 KB |
09.txt | AC | 21 ms | 6396 KB |
10.txt | AC | 22 ms | 6396 KB |
11.txt | AC | 21 ms | 6396 KB |
12.txt | AC | 24 ms | 6396 KB |
13.txt | AC | 24 ms | 6396 KB |
14.txt | AC | 28 ms | 6524 KB |
15.txt | AC | 28 ms | 6396 KB |
16.txt | AC | 28 ms | 6396 KB |
17.txt | AC | 28 ms | 6396 KB |
18.txt | AC | 2 ms | 4352 KB |
19.txt | AC | 2 ms | 4352 KB |
20.txt | AC | 2 ms | 4352 KB |
21.txt | AC | 2 ms | 4352 KB |
22.txt | AC | 2 ms | 4352 KB |
s1.txt | AC | 2 ms | 4352 KB |
s2.txt | AC | 2 ms | 4352 KB |