fn run<W: Write>(sc: &mut scanner::Scanner, out: &mut std::io::BufWriter<W>) {
    let n: usize = sc.next();
    let q: usize = sc.next();
    let mut a: Vec<i32> = sc.next_vec(n);
    for _ in 0..q {
        let op = sc.next::<u32>();
        if op == 1 {
            let x = sc.next::<usize>() - 1;
            let y = sc.next::<i32>();
            a[x] = y;
        } else {
            let l = sc.next::<usize>() - 1;
            let r = sc.next::<usize>();
            let p = sc.next::<i32>();
            let q = sc.next::<i32>();
            let ans = unsafe { calc(&mut a[l..r], p, q)};
            writeln!(out, "{ans}").ok();
        }
    }
}

#[target_feature(enable = "avx2")]
unsafe fn calc(a: &[i32], p: i32, q: i32) -> i64 {
    a.iter().map(|&a| a.max(p).min(q) as i64).sum::<i64>()
}

// ---------- begin scannner ----------
#[allow(dead_code)]
mod scanner {
    use std::str::FromStr;
    pub struct Scanner<'a> {
        it: std::str::SplitWhitespace<'a>,
    }
    impl<'a> Scanner<'a> {
        pub fn new(s: &'a String) -> Scanner<'a> {
            Scanner {
                it: s.split_whitespace(),
            }
        }
        pub fn next<T: FromStr>(&mut self) -> T {
            self.it.next().unwrap().parse::<T>().ok().unwrap()
        }
        pub fn next_bytes(&mut self) -> Vec<u8> {
            self.it.next().unwrap().bytes().collect()
        }
        pub fn next_chars(&mut self) -> Vec<char> {
            self.it.next().unwrap().chars().collect()
        }
        pub fn next_vec<T: FromStr>(&mut self, len: usize) -> Vec<T> {
            (0..len).map(|_| self.next()).collect()
        }
    }
}
// ---------- end scannner ----------

use std::io::Write;

fn main() {
    use std::io::Read;
    let mut s = String::new();
    std::io::stdin().read_to_string(&mut s).unwrap();
    let mut sc = scanner::Scanner::new(&s);
    let out = std::io::stdout();
    let mut out = std::io::BufWriter::new(out.lock());
    run(&mut sc, &mut out);
}