40 lines
876 B
Rust
40 lines
876 B
Rust
use std::io;
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fn gcd(a: u64, b: u64) -> u64 {
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let mut set: [u64; 2] = [a, b];
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while set[1] != 0 {
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set = [set[1], set[0]%set[1]];
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}
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set[0]
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}
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fn main() {
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let mut t = String::new();
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io::stdin().read_line(&mut t).unwrap();
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let mut inputs: Vec<u64> = vec![];
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for _ in 1..=t.trim().parse::<u64>().unwrap() {
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let mut case = String::new();
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io::stdin().read_line(&mut case).unwrap();
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inputs.push(case.trim().parse::<u64>().unwrap());
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}
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let mut outputs: Vec<u64> = vec![];
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for i in inputs {
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let mut maximum = 0;
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let mut y = 0;
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for j in 1..i {
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let found = gcd(i,j)+j;
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if found > maximum {
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y = j;
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maximum = found;
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}
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}
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outputs.push(y);
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}
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for i in outputs {
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println!("{}", i);
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}
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}
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