Submission #3237220
Source Code Expand
#[allow(unused_macros)] macro_rules! input { (source = $s:expr, $($r:tt)*) => { let mut iter = $s.split_whitespace(); let mut next = || { iter.next().unwrap() }; input_inner!{next, $($r)*} }; ($($r:tt)*) => { let stdin = std::io::stdin(); let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock())); let mut next = move || -> String{ bytes .by_ref() .map(|r|r.unwrap() as char) .skip_while(|c|c.is_whitespace()) .take_while(|c|!c.is_whitespace()) .collect() }; input_inner!{next, $($r)*} }; } #[allow(unused_macros)] macro_rules! input_inner { ($next:expr) => {}; ($next:expr, ) => {}; ($next:expr, $var:ident : $t:tt $($r:tt)*) => { let $var = read_value!($next, $t); input_inner!{$next $($r)*} }; } #[allow(unused_macros)] macro_rules! read_value { ($next:expr, ( $($t:tt),* )) => { ( $(read_value!($next, $t)),* ) }; ($next:expr, [ $t:tt ; $len:expr ]) => { (0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>() }; ($next:expr, chars) => { read_value!($next, String).chars().collect::<Vec<char>>() }; ($next:expr, usize1) => { read_value!($next, usize) - 1 }; ($next:expr, $t:ty) => { $next().parse::<$t>().expect("Parse error") }; } #[allow(unused_imports)] use std::cmp; fn main() { input!{ n: usize, a: [usize; n], } let mut a = a; let mut alice = 0; let mut bob = 0; for i in 1..n+1 { let mi = a.iter().enumerate().max_by_key(|&(_, v)| v).unwrap().0; if i % 2 == 1 { alice += a[mi]; } else { bob += a[mi]; } a[mi] = 0; } println!("{}", alice - bob); }
Submission Info
Submission Time | |
---|---|
Task | B - Card Game for Two |
User | arzk |
Language | Rust (1.15.1) |
Score | 200 |
Code Size | 1967 Byte |
Status | AC |
Exec Time | 2 ms |
Memory | 4352 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 200 / 200 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | sample_1.txt, sample_2.txt, sample_3.txt |
All | in1.txt, in2.txt, in3.txt, in4.txt, in5.txt, in6.txt, in7.txt, in8.txt, in9.txt, sample_1.txt, sample_2.txt, sample_3.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
in1.txt | AC | 2 ms | 4352 KB |
in2.txt | AC | 2 ms | 4352 KB |
in3.txt | AC | 2 ms | 4352 KB |
in4.txt | AC | 2 ms | 4352 KB |
in5.txt | AC | 2 ms | 4352 KB |
in6.txt | AC | 2 ms | 4352 KB |
in7.txt | AC | 2 ms | 4352 KB |
in8.txt | AC | 2 ms | 4352 KB |
in9.txt | AC | 2 ms | 4352 KB |
sample_1.txt | AC | 2 ms | 4352 KB |
sample_2.txt | AC | 2 ms | 4352 KB |
sample_3.txt | AC | 2 ms | 4352 KB |