CSES - Aalto Competitive Programming 2026 - wk6 - Homework

Submission details
Task:	Shortest Routes I
Sender:	aalto26fh_039
Submission time:	2026-10-03 21:59:11 +0300
Language:	Rust (2021)
Status:	READY
Result:	ACCEPTED

Test results
test	verdict	time
#1	ACCEPTED	0.00 s	details
#2	ACCEPTED	0.00 s	details
#3	ACCEPTED	0.00 s	details
#4	ACCEPTED	0.00 s	details
#5	ACCEPTED	0.00 s	details
#6	ACCEPTED	0.11 s	details
#7	ACCEPTED	0.11 s	details
#8	ACCEPTED	0.11 s	details
#9	ACCEPTED	0.10 s	details
#10	ACCEPTED	0.11 s	details
#11	ACCEPTED	0.06 s	details
#12	ACCEPTED	0.05 s	details
#13	ACCEPTED	0.00 s	details
#14	ACCEPTED	0.06 s	details
#15	ACCEPTED	0.06 s	details
#16	ACCEPTED	0.05 s	details
#17	ACCEPTED	0.06 s	details
#18	ACCEPTED	0.07 s	details

Code

#![allow(unused)]

use std::{cmp::Reverse, collections::BinaryHeap, io};

fn take_tuple() -> (usize, usize) {
    let mut input = String::new();
    io::stdin().read_line(&mut input).unwrap();
    let mut it = input
        .trim()
        .split_whitespace()
        .map(|x| x.parse::<usize>().unwrap());
    (it.next().unwrap(), it.next().unwrap())
}
fn take_triple() -> (usize, usize, usize) {
    let mut input = String::new();
    io::stdin().read_line(&mut input).unwrap();
    let mut it = input
        .trim()
        .split_whitespace()
        .map(|x| x.parse::<usize>().unwrap());
    (it.next().unwrap(), it.next().unwrap(), it.next().unwrap())
}

fn main() {
    let (n, m): (usize, usize) = take_tuple();
    let mut adj: Vec<Vec<(usize, usize)>> = vec![Vec::new(); n];

    for i in 0..m {
        let (u, v, w) = take_triple();
        adj[u-1].push((v-1, w));
    }

    let mut distance: Vec<usize> = vec![usize::MAX; n];
    let mut visited: Vec<bool> = vec![false; n];
    let mut q: BinaryHeap<(Reverse<usize>, usize)> = BinaryHeap::new();
    distance[0] = 0;
    q.push((Reverse(0), 0));

    while (!q.is_empty()) {
        let (uw, u) = q.pop().unwrap();
        if visited[u] {
            continue;
        }
        visited[u] = true;
        for &(v, vw) in adj[u].iter() {
            if (distance[u] + vw < distance[v]) {
                distance[v] = distance[u] + vw;
                q.push((Reverse(distance[v]), v));
            }
        }
    }

    for i in 0..distance.len() {
        print!("{} ", distance[i]);
    }
}

Test details

Test 1

Verdict: ACCEPTED

input
`10 20 8 5 1 9 10 2 7 9 8 9 8 8 ...` view save

correct output
`0 9 11 20 13 14 19 29 27 29` view save

user output
`0 9 11 20 13 14 19 29 27 29` view save

Test 2

Verdict: ACCEPTED

input
`10 20 5 6 4 5 1 7 7 4 4 7 8 1 ...` view save

correct output
`0 7 9 17 15 17 21 22 25 30` view save

user output
`0 7 9 17 15 17 21 22 25 30` view save

Test 3

Verdict: ACCEPTED

input
`10 20 1 4 1 4 2 1 9 10 1 1 2 4 ...` view save

correct output
`0 2 11 1 2 7 16 18 12 13` view save

user output
`0 2 11 1 2 7 16 18 12 13` view save

Test 4

Verdict: ACCEPTED

input
`10 20 6 3 5 7 5 8 5 1 8 8 9 5 ...` view save

correct output
`0 5 9 18 22 10 14 23 27 36` view save

user output
`0 5 9 18 22 10 14 23 27 36` view save

Test 5

Verdict: ACCEPTED

input
`10 20 8 9 3 2 3 8 10 5 3 2 5 3 ...` view save

correct output
`0 8 16 18 11 17 24 23 16 26` view save

user output
`0 8 16 18 11 17 24 23 16 26` view save

Test 6

Verdict: ACCEPTED

input
`100000 200000 18000 18001 426710313 73018 73012 558438094 87726 87671 355171790 53170 53171 869493690 ...` view save

correct output
`0 479659405 1165315262 1854343...` view save

user output
`0 479659405 1165315262 1854343...` view save

Test 7

Verdict: ACCEPTED

input
`100000 200000 26504 26450 258578924 49543 49544 28958186 75174 75175 89459846 39175 39228 119699475 ...` view save

correct output
`0 655556128 1413395076 1814086...` view save

user output
`0 655556128 1413395076 1814086...` view save

Test 8

Verdict: ACCEPTED

input
`100000 200000 39477 39413 773046299 69758 69759 558754983 23279 23280 142570619 61416 61479 874921013 ...` view save

correct output
`0 269736525 626115013 70199222...` view save

user output
`0 269736525 626115013 70199222...` view save

Test 9

Verdict: ACCEPTED

input
`100000 200000 76662 76636 844365635 73339 73342 755006676 89878 89879 396562588 18801 18781 954807004 ...` view save

correct output
`0 598585836 1267139909 1803859...` view save

user output
`0 598585836 1267139909 1803859...` view save

Test 10

Verdict: ACCEPTED

input
`100000 200000 11724 11725 818399968 33244 33197 722525474 65530 65531 483965413 62405 62454 199581867 ...` view save

correct output
`0 387990617 441010945 92441292...` view save

user output
`0 387990617 441010945 92441292...` view save

Test 11

Verdict: ACCEPTED

input
`100000 200000 1 2 1 1 3 1 1 4 1 1 5 1 ...` view save

correct output
`0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

Test 12

Verdict: ACCEPTED

input
`100000 99999 1 2 1000000000 2 3 1000000000 3 4 1000000000 4 5 1000000000 ...` view save

correct output
`0 1000000000 2000000000 300000...` view save

user output
`0 1000000000 2000000000 300000...` view save

Test 13

Verdict: ACCEPTED

input
`1 1 1 1 1` view save

correct output
`0` view save

user output
`0` view save

Test 14

Verdict: ACCEPTED

input
`99999 149997 1 2 1 2 3 1 3 4 1 4 5 1 ...` view save

correct output
`0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 ...` view save

user output
`0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 ...` view save

Test 15

Verdict: ACCEPTED

input
`99997 149994 1 3 3 3 5 3 5 7 3 7 9 3 ...` view save

correct output
`0 1 2 3 4 5 6 7 8 9 10 11 12 1...` view save

user output
`0 1 2 3 4 5 6 7 8 9 10 11 12 1...` view save

Test 16

Verdict: ACCEPTED

input
`60003 120000 1 2 30010 1 3 30010 1 4 30010 1 5 30010 ...` view save

correct output
`0 30010 30010 30010 30010 3001...` view save

user output
`0 30010 30010 30010 30010 3001...` view save

Test 17

Verdict: ACCEPTED

input
`60003 120000 1 2 30010 1 3 30010 1 4 30010 1 5 30010 ...` view save

correct output
`0 30010 30010 30010 30010 3001...` view save

user output
`0 30010 30010 30010 30010 3001...` view save

Test 18

Verdict: ACCEPTED

input
`100000 149997 1 50000 99997 1 49999 99995 1 49998 99993 1 49997 99991 ...` view save

correct output
`0 1 3 5 7 9 11 13 15 17 19 21 ...` view save

user output
`0 1 3 5 7 9 11 13 15 17 19 21 ...` view save

Aalto Competitive Programming 2026 - wk6 - Homework

Shortest Routes I

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Tasks

Submissions (aalto26fh_039)