ECR83-C

gistfile1.txt

fn solve() {
    let out = stdout();
    let mut out = BufWriter::new(out.lock());
    input!{
        new_stdin_parser = parser,
        t: usize,
    }
    for _ in 0..t {
        input!{
            parser = parser,
            n: usize, k: i64,
            a:[i64;n]
        }
        let mut p = vec![0;100];
        for i in 0..n {
            let bits = into_digits(k, a[i]);
            let m = bits.len();
            for j in 0..m {
                p[j] += bits[j];
            }
        }
        let mut ok = true;
        for i in 0..100 {
            if p[i] > 1 {
                ok = false;
                break;
            }
        }
        writeln!(out,"{}",if ok { "YES" } else {"NO"});
    }
}