// ____ _ _ _ _ // | _ \ _ _ ___| |_ ___ _ __ | |_ ___ _ __ ___ _ __ | | __ _| |_ ___ // | |_) | | | / __| __| / __| '_ \ | __/ _ \ '_ ` _ \| '_ \| |/ _` | __/ _ \ // | _ <| |_| \__ \ |_ | (__| |_) | | || __/ | | | | | |_) | | (_| | || __/ // |_| \_\\__,_|___/\__| \___| .__/___\__\___|_| |_| |_| .__/|_|\__,_|\__\___| // |_| |_____| |_| //https://github.com/manta1130/Competitive_Programming_Template_Rust #[macro_use] mod input { use std; use std::io; const SPLIT_DELIMITER: char = ' '; #[macro_export] #[allow(unused_macros)] macro_rules! input { ( $($x:expr ),*) => { { let temp_str = input_line_str(); let mut split_result_iter = temp_str.split_whitespace(); $( let buf_split_result = split_result_iter.next(); let buf_split_result = buf_split_result.unwrap(); ($x) = buf_split_result.parse().unwrap(); )* } }; } #[allow(dead_code)] pub fn input_line_str() -> String { let mut s = String::new(); io::stdin().read_line(&mut s).unwrap(); s.trim().to_string() } #[allow(dead_code)] pub fn p(t: T) where T: std::fmt::Display, { println!("{}", t); } #[allow(dead_code)] pub fn input_vector2d(line: usize) -> Vec> where T: std::str::FromStr, { let mut v: Vec> = Vec::new(); for _ in 0..line { let vec_line = input_vector(); v.push(vec_line); } v } #[allow(dead_code)] pub fn input_vector() -> Vec where T: std::str::FromStr, { let mut v: Vec = Vec::new(); let s = input_line_str(); let split_result = s.split(SPLIT_DELIMITER); for z in split_result { let buf = match z.parse() { Ok(r) => r, Err(_) => panic!("Parse Error"), }; v.push(buf); } v } #[allow(dead_code)] pub fn input_vector_row(n: usize) -> Vec where T: std::str::FromStr, { let mut v = Vec::with_capacity(n); for _ in 0..n { let buf = match input_line_str().parse() { Ok(r) => r, Err(_) => panic!("Parse Error"), }; v.push(buf); } v } pub trait ToCharVec { fn to_charvec(&self) -> Vec; } impl ToCharVec for String { fn to_charvec(&self) -> Vec { self.to_string().chars().collect::>() } } } use input::*; fn getmin(l: usize, r: usize, a: &Vec, b: &Vec<(usize, usize)>, s: usize) -> usize { let mut i = l; let mut res = 999999_usize; while i < r { if i % s == 0 && i + s < r { if res == 999999 || a[res] > b[i / s].1 { res = b[i / s].0; } i += s; } else { if res == 999999 || a[res] > a[i] { res = i; } i += 1; } } res } fn main() { let (n, q): (usize, usize); input!(n, q); let mut a = input_vector::(); let s = (n as f64).sqrt() as usize; let mut b = vec![(999999, 999999999_usize); n]; for i in 0..n { if b[i / s].1 > a[i] { b[i / s] = (i, a[i]); } } for _ in 0..q { let (k, l, r): (usize, usize, usize); input!(k, l, r); let bufl = a[l - 1]; let bufr = a[r - 1]; if k == 1 { a[l - 1] = bufr; a[r - 1] = bufl; let buf = (l - 1) / s; if b[buf].0 == l - 1 || b[buf].1 > a[l - 1] { b[buf] = (999999, 999999); for i in buf * s..std::cmp::min((buf + 1) * s, n) { if b[buf].0 == 999999 || b[buf].1 > a[i] { b[buf] = (i, a[i]); } } } let buf = (r - 1) / s; if b[buf].0 == r - 1 || b[buf].1 > a[r - 1] { b[buf] = (999999, 999999); for i in buf * s..std::cmp::min((buf + 1) * s, n) { if b[buf].0 == 999999 || b[buf].1 > a[i] { b[buf] = (i, a[i]); } } } } else { p(getmin(l - 1, r, &a, &b, s) + 1); } //println!("{:?}",&a); //println!("{:?}",&b); } }