37 lines
898 B
Rust
37 lines
898 B
Rust
use std::io::{read_to_string, stdin};
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fn main() {
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let temp = read_to_string(stdin()).unwrap();
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let mut iter = temp
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.split_ascii_whitespace()
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.map(|x| x.parse::<usize>().unwrap());
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let t = iter.next().unwrap();
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(0..t).for_each(|_| {
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let (n, m) = (iter.next().unwrap(), iter.next().unwrap());
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let mut res = 0;
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if m == 0 {
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res = n;
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} else {
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let mut edges = vec![vec![]; n];
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let mut vis = vec![false; n];
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for _ in 0..m {
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let (u, v) = (iter.next().unwrap() - 1, iter.next().unwrap() - 1);
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edges[u].push(v);
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edges[v].push(u);
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}
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let mut deq = vec![];
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for i in 0..n {
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deq.push(i);
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}
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while !deq.is_empty() {
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let ()
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}
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}
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});
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}
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