20 lines
438 B
Rust
20 lines
438 B
Rust
use std::io::{read_to_string, stdin};
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fn main() {
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let temp = read_to_string(stdin()).unwrap();
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let mut iter = temp
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.split_ascii_whitespace()
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.map(|x| x.parse::<usize>().unwrap());
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let n = iter.next().unwrap();
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let p = (0..n).map(|_| iter.next().unwrap() - 1);
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let flg = p.fold(0, |acc, x| acc ^ x);
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if flg == 0 {
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println!("cubelover");
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} else {
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println!("koosaga");
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}
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}
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