#![allow(non_snake_case, unused_imports, unused_must_use)] use std::io::{self, prelude::*}; use std::str; fn main() { let (stdin, stdout) = (io::stdin(), io::stdout()); let mut scan = Scanner::new(stdin.lock()); let mut out = io::BufWriter::new(stdout.lock()); macro_rules! input { ($T: ty) => { scan.token::<$T>() }; ($T: ty, $N: expr) => { (0..$N).map(|_| scan.token::<$T>()).collect::>() }; } let N = input!(usize); let M = input!(usize); let K = input!(usize); let S = input!(usize, K + 1); let mut S = (0..=K).map(|i| S[i] - 1).collect::>(); let edges = (0..M) .map(|_| (input!(usize) - 1, input!(usize) - 1, input!(usize))) .collect::>(); let mut dist = vec![vec![usize::MAX; N]; N]; for (u, v, w) in edges { dist[u][v] = w; dist[v][u] = w; } for k in 0..N { for i in 0..N { for j in 0..N { if dist[i][k] == usize::MAX { continue; } if dist[k][j] == usize::MAX { continue; } if dist[i][j] > dist[i][k] + dist[k][j] { dist[i][j] = dist[i][k] + dist[k][j]; } } } } let mut stree = direct_segtree::SegmentTree::new(K + 1, |x, y| x + y, 0); for i in 0..K { stree.insert(i, dist[S[i]][S[i + 1]]); } let Q = input!(usize); for _ in 0..Q { let t = input!(usize); let X = input!(usize); let Y = input!(usize); if t == 1 { S[X] = Y - 1; if X > 0 { stree.insert(X - 1, dist[S[X - 1]][S[X]]); } if X + 1 <= K { stree.insert(X, dist[S[X]][S[X + 1]]); } } else { let ans = stree.prod(X..Y); writeln!(out, "{}", ans); } } } pub mod direct_segtree { pub struct SegmentTree { size: usize, tree: Vec, op: fn(&M, &M) -> M, id: M, } impl SegmentTree { /// self = [id; size], self.op = op, self.id = id pub fn new(size: usize, op: fn(&M, &M) -> M, id: M) -> Self { return Self { size: size, tree: vec![id; 2 * size], op: op, id: id, }; } /// self = arr, self.op = op, self.id = id pub fn from(arr: &[M], op: fn(&M, &M) -> M, id: M) -> Self { let size = arr.len(); let mut tree = vec![id; 2 * size]; for i in 0..size { tree[i + size] = arr[i]; assert!( op(&id, &arr[i]) == arr[i], "id is not the identity element of given operator" ); } for i in (1..size).rev() { tree[i] = op(&tree[i << 1], &tree[i << 1 | 1]); } return Self { size: size, tree: tree, op: op, id: id, }; } /// self[pos] <- value pub fn insert(&mut self, mut pos: usize, value: M) -> () { pos += self.size; self.tree[pos] = value; while pos > 1 { pos >>= 1; self.tree[pos] = (self.op)(&self.tree[pos << 1], &self.tree[pos << 1 | 1]); } } /// return self[pos] pub fn get_point(&self, pos: usize) -> M { return self[pos]; } /// return Π_{i ∈ [left, right)} self[i] pub fn get(&self, left: usize, right: usize) -> M { let (mut l, mut r) = (left + self.size, right + self.size); let (mut vl, mut vr) = (self.id, self.id); while l < r { if l & 1 == 1 { vl = (self.op)(&vl, &self.tree[l]); l += 1; } if r & 1 == 1 { r -= 1; vr = (self.op)(&self.tree[r], &vr); } l >>= 1; r >>= 1; } return (self.op)(&vl, &vr); } /// return Π_{i ∈ range} self[i] pub fn prod>(&self, range: R) -> M { let left = match range.start_bound() { std::ops::Bound::Included(&l) => l, std::ops::Bound::Excluded(&l) => l + 1, std::ops::Bound::Unbounded => 0, }; let right = match range.end_bound() { std::ops::Bound::Included(&r) => r + 1, std::ops::Bound::Excluded(&r) => r, std::ops::Bound::Unbounded => self.size, }; return self.get(left, right); } } impl std::ops::Index for SegmentTree { type Output = M; fn index(&self, index: usize) -> &Self::Output { &self.tree[index + self.size] } } impl std::fmt::Display for SegmentTree { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { write!( f, "{}", self.tree[self.size..] .iter() .map(|x| x.to_string()) .collect::>() .join(" ") ) } } } struct Scanner { reader: R, buf_str: Vec, buf_iter: str::SplitWhitespace<'static>, } impl Scanner { fn new(reader: R) -> Self { Self { reader, buf_str: vec![], buf_iter: "".split_whitespace(), } } fn token(&mut self) -> T { loop { if let Some(token) = self.buf_iter.next() { return token.parse().ok().expect("Failed parse"); } self.buf_str.clear(); self.reader .read_until(b'\n', &mut self.buf_str) .expect("Failed read"); self.buf_iter = unsafe { let slice = str::from_utf8_unchecked(&self.buf_str); std::mem::transmute(slice.split_whitespace()) } } } }