CSES - NOI 2024

CSES - NOI 2024 - Results

Submission details
Task:	Anime Shops
Sender:	Rasmus Brene Jepsen
Submission time:	2024-03-06 15:34:44 +0200
Language:	C++20
Status:	READY
Result:	23

Feedback
group	verdict	score
#1	ACCEPTED	23
#2	TIME LIMIT EXCEEDED	0
#3	TIME LIMIT EXCEEDED	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.09 s	1, 3	details
#2	ACCEPTED	0.01 s	1, 3	details
#3	ACCEPTED	0.01 s	1, 3	details
#4	ACCEPTED	0.01 s	1, 3	details
#5	TIME LIMIT EXCEEDED	--	3	details
#6	TIME LIMIT EXCEEDED	--	3	details
#7	TIME LIMIT EXCEEDED	--	3	details
#8	ACCEPTED	0.29 s	3	details
#9	TIME LIMIT EXCEEDED	--	2, 3	details
#10	TIME LIMIT EXCEEDED	--	2, 3	details
#11	ACCEPTED	0.15 s	2, 3	details
#12	TIME LIMIT EXCEEDED	--	3	details
#13	TIME LIMIT EXCEEDED	--	3	details
#14	TIME LIMIT EXCEEDED	--	3	details
#15	ACCEPTED	0.07 s	3	details
#16	TIME LIMIT EXCEEDED	--	3	details

Compiler report

input/code.cpp: In function 'll BFS(ll, ll, std::vector<std::vector<long long int> >&, std::vector<bool>&)':
input/code.cpp:30:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |         for (int i = 0; i < adj[k].size(); i++) {
      |                         ~~^~~~~~~~~~~~~~~
input/code.cpp: In function 'int main()':
input/code.cpp:85:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   85 |             for (int j = 0; j < adj[k].size(); j++) {
      |                             ~~^~~~~~~~~~~~~~~

Code

#include <iostream>
#include <vector>
#include <queue>
#include <tuple>

typedef long long ll;

ll BFS(ll s, ll n, std::vector<std::vector<ll>>& adj, std::vector<bool>& shops) {
    std::priority_queue<std::pair<ll, ll>, std::vector<std::pair<ll, ll>>, std::greater<std::pair<ll, ll>>> q;
    std::vector<bool> vis(n, false);
    
    q.push(std::make_pair(0, s));

    while (!q.empty())
    {
        std::pair<ll, ll> kunde = q.top();
        q.pop();
        ll k = kunde.second;
        ll d = kunde.first;

        if (shops[k] && k != s) {
            return d;
        }

        if (vis[k]) {
            continue;
        }
        vis[k] = true;

        for (int i = 0; i < adj[k].size(); i++) {
            q.push(std::make_pair(d+1, adj[k][i]));
        }
    }
    
    return -1;
}

int main() {
    ll n, m, k;
    std::cin >> n >> m >> k;
    std::vector<bool> shops(n);

    for (int i = 0; i < k; i++) {
        ll inp;
        std::cin >> inp;
        inp--;
        shops[inp] = true;
    }

    std::vector<std::vector<ll>> adj(n);

    for (int i = 0; i < m; i++) {
        ll inp1, inp2;
        std::cin >> inp1 >> inp2;
        inp1--;
        inp2--;
        adj[inp1].push_back(inp2);
        adj[inp2].push_back(inp1);
    }

    for (int i = 0; i < n; i++) {
        std::priority_queue<std::pair<ll, ll>, std::vector<std::pair<ll, ll>>, std::greater<std::pair<ll, ll>>> q;
        std::vector<bool> vis(n, false);
        ll dis = -1;
        
        q.push(std::make_pair(0, i));

        while (!q.empty())
        {
            std::pair<ll, ll> kunde = q.top();
            q.pop();
            ll k = kunde.second;
            ll d = kunde.first;

            if (shops[k] && k != i) {
                dis = d;
                break;
            }

            if (vis[k]) {
                continue;
            }
            vis[k] = true;

            for (int j = 0; j < adj[k].size(); j++) {
                q.push(std::make_pair(d+1, adj[k][j]));
            }
        }

        std::cout << dis << " ";
    }
}

Test details

Test 1

Group: 1, 3

Verdict: ACCEPTED

input
`1000 2000 1 816 1 868 976 995 377 536 ...` view save

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

user output
`4 3 3 4 6 4 -1 4 5 2 2 5 5 3 5...` Truncated

Test 2

Group: 1, 3

Verdict: ACCEPTED

input
`1000 2000 20 578 955 222 813 494 962 753 71...` view save

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

user output
`5 6 4 3 4 2 -1 3 3 3 4 3 2 3 -...` Truncated

Test 3

Group: 1, 3

Verdict: ACCEPTED

input
`1000 2000 100 945 230 119 680 975 520 490 28...` view save

correct output
`2 2 3 -1 2 -1 3 2 2 1 2 -1 3 2...` view save

user output
`2 2 3 -1 2 -1 3 2 2 1 2 -1 3 2...` Truncated

Test 4

Group: 1, 3

Verdict: ACCEPTED

input
`1000 2000 1000 150 443 960 545 218 487 896 38...` view save

correct output
`1 -1 1 1 -1 1 1 1 -1 1 1 1 -1 ...` view save

user output
`1 -1 1 1 -1 1 1 1 -1 1 1 1 -1 ...` Truncated

Test 5

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`100000 200000 1 77222 59470 61811 43092 48939 14395 19964 ...` view save

correct output
`8 10 8 8 8 8 8 8 9 7 7 8 8 8 6...` view save

user output
(empty)

Test 6

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`100000 200000 20 70440 82302 64483 96767 51485 ...` view save

correct output
`-1 8 6 5 5 7 6 7 6 6 8 5 6 4 5...` view save

user output
(empty)

Test 7

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`100000 200000 100 68738 37820 55519 77758 46482 ...` view save

correct output
`4 5 5 5 5 4 6 -1 5 4 5 6 4 5 5...` view save

user output
(empty)

Test 8

Group: 3

Verdict: ACCEPTED

input
`100000 200000 100000 47137 80137 73347 78145 9205 6...` view save

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

user output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` Truncated

Test 9

Group: 2, 3

Verdict: TIME LIMIT EXCEEDED

input
`100000 99999 1 44158 1 2 2 3 3 4 ...` view save

correct output
`44157 44156 44155 44154 44153 ...` view save

user output
(empty)

Test 10

Group: 2, 3

Verdict: TIME LIMIT EXCEEDED

input
`100000 99999 20 44158 25720 84658 90057 99607 ...` view save

correct output
`361 360 359 358 357 356 355 35...` view save

user output
(empty)

Test 11

Group: 2, 3

Verdict: ACCEPTED

input
`100000 99999 100000 44158 25720 84658 90057 99607 ...` view save

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

user output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` Truncated

Test 12

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`100000 99999 3 99998 99999 100000 1 2 1 3 1 4 ...` view save

correct output
`33333 33332 33332 33332 33331 ...` view save

user output
(empty)

Test 13

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`100000 99999 300 99701 99702 99703 99704 99705 ...` view save

correct output
`333 333 333 333 333 333 333 33...` view save

user output
(empty)

Test 14

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`100000 99999 30000 70001 70002 70003 70004 70005 ...` view save

correct output
`3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 ...` view save

user output
(empty)

Test 15

Group: 3

Verdict: ACCEPTED

input
`100000 0 100000 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

correct output
`-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 ...` view save

user output
`-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 ...` Truncated

Test 16

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`100000 100000 2 1 50001 1 2 2 3 3 4 ...` view save

correct output
`50000 1 2 3 4 5 6 7 8 9 10 11 ...` view save

user output
(empty)

NOI 2024

Anime Shops

Compiler report

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

Tasks

Submissions (Rasmus Brene Jepsen)