use std::io::Write; use std::collections::*; type Map = BTreeMap; type Set = BTreeSet; type Deque = VecDeque; fn run() { input! { n: usize, q: usize, k: i64, a: [i64; n], ask: [(usize1, usize); q], } let mut ans = vec!["No"; q]; for _ in 0..30 { let m = (rand() % 1000000000 + 1) as i64; let r = k % m; let mut pow = vec![1; n + 1]; for i in 1..(n + 1) { pow[i] = pow[i - 1] * (k % m) % m; } let mut sum = vec![0; n + 1]; for (i, a) in a.iter().enumerate().rev() { let a = (*a % m + m) % m; sum[i] = (sum[i + 1] * r + a) % m; } for (ans, &(l, r)) in ans.iter_mut().zip(ask.iter()) { let val = (sum[l] - sum[r] * pow[r - l] + m * m) % m; if val != 0 { *ans = "Yes"; } } } let out = std::io::stdout(); let mut out = std::io::BufWriter::new(out.lock()); for a in ans { writeln!(out, "{}", a).ok(); } } fn main() { run(); } // ---------- begin input macro ---------- // reference: https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8 #[macro_export] macro_rules! input { (source = $s:expr, $($r:tt)*) => { let mut iter = $s.split_whitespace(); input_inner!{iter, $($r)*} }; ($($r:tt)*) => { let s = { use std::io::Read; let mut s = String::new(); std::io::stdin().read_to_string(&mut s).unwrap(); s }; let mut iter = s.split_whitespace(); input_inner!{iter, $($r)*} }; } #[macro_export] macro_rules! input_inner { ($iter:expr) => {}; ($iter:expr, ) => {}; ($iter:expr, $var:ident : $t:tt $($r:tt)*) => { let $var = read_value!($iter, $t); input_inner!{$iter $($r)*} }; } #[macro_export] macro_rules! read_value { ($iter:expr, ( $($t:tt),* )) => { ( $(read_value!($iter, $t)),* ) }; ($iter:expr, [ $t:tt ; $len:expr ]) => { (0..$len).map(|_| read_value!($iter, $t)).collect::>() }; ($iter:expr, chars) => { read_value!($iter, String).chars().collect::>() }; ($iter:expr, bytes) => { read_value!($iter, String).bytes().collect::>() }; ($iter:expr, usize1) => { read_value!($iter, usize) - 1 }; ($iter:expr, $t:ty) => { $iter.next().unwrap().parse::<$t>().expect("Parse error") }; } // ---------- end input macro ---------- fn rand_memory() -> usize { Box::into_raw(Box::new("I hope this is a random number")) as usize } fn rand() -> usize { static mut X: usize = 0; unsafe { if X == 0 { X = rand_memory(); } X ^= X << 13; X ^= X >> 17; X ^= X << 5; X } } fn shuffle(a: &mut [T]) { for i in 1..a.len() { let p = rand() % (i + 1); a.swap(i, p); } }