30 lines
884 B
Rust
30 lines
884 B
Rust
|
fn main() {
|
||
|
|
let mut buf = String::new();
|
||
|
|
std::io::stdin().read_line(&mut buf).ok();
|
||
|
|
let t: usize = buf.trim().parse::<usize>().unwrap();
|
||
|
|
for _ in 0..t {
|
||
|
|
buf.clear();
|
||
|
|
std::io::stdin().read_line(&mut buf).ok();
|
||
|
|
buf.clear();
|
||
|
|
std::io::stdin().read_line(&mut buf).ok();
|
||
|
|
let mut a: Vec<u64> = buf.trim().split(' ').map(|x|x.parse::<u64>().unwrap()).collect::<Vec<u64>>();
|
||
|
|
let mut mdl = 2u64;
|
||
|
|
loop {
|
||
|
|
let mut one = false;
|
||
|
|
let mut zero = false;
|
||
|
|
for x in &mut a {
|
||
|
|
if *x & 1 == 0 {
|
||
|
|
zero = true;
|
||
|
|
} else {
|
||
|
|
one = true;
|
||
|
|
}
|
||
|
|
*x >>= 1;
|
||
|
|
}
|
||
|
|
if zero && one {
|
||
|
|
println!("{mdl}");
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
mdl <<= 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|