CSES - NOI 2024

CSES - NOI 2024 - Results

Submission details
Task:	Anime Shops
Sender:	Gunnsteinn Þór Ólason
Submission time:	2024-04-16 19:08:48 +0300
Language:	C++ (C++11)
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	0.07 s	1, 3	details
#2	ACCEPTED	0.08 s	1, 3	details
#3	ACCEPTED	0.07 s	1, 3	details
#4	ACCEPTED	0.07 s	1, 3	details
#5	TIME LIMIT EXCEEDED	--	3	details
#6	TIME LIMIT EXCEEDED	--	3	details
#7	TIME LIMIT EXCEEDED	--	3	details
#8	TIME LIMIT EXCEEDED	--	3	details
#9	TIME LIMIT EXCEEDED	--	2, 3	details
#10	TIME LIMIT EXCEEDED	--	2, 3	details
#11	TIME LIMIT EXCEEDED	--	2, 3	details
#12	TIME LIMIT EXCEEDED	--	3	details
#13	TIME LIMIT EXCEEDED	--	3	details
#14	TIME LIMIT EXCEEDED	--	3	details
#15	TIME LIMIT EXCEEDED	--	3	details
#16	TIME LIMIT EXCEEDED	--	3	details

Code

#include <bits/stdc++.h>

using namespace std;

int bfs(int n, int s, vector<vector<int>> adj, vector<int> dest) {
    vector<int> dist(n+1, 200001);

    dist[s] = 0;
    deque<int> q;
    q.push_back(s);

    int c = -1;
    while (!q.empty()) {
        int at = q.front();
        q.pop_front();
        bool isFound = false;
        for (int neighbour : adj[at]) {

            if (dist[neighbour] == 200001) {
                q.push_back(neighbour);
                dist[neighbour] = dist[at]+1;
                auto it = find(dest.begin(), dest.end(), neighbour);
                
                if (it != dest.end()) {
                    isFound = true;
                    c = dist[neighbour];
                    break;
                }
            }
        }
        if (isFound) {
            break;
        }
    }
    return c;
}

int main() {
    int n, m, k; cin >> n >> m >> k;

    vector<int> shops(k);
    vector<vector<int>> roads(n+1);

    for (int i = 0; i < k; i++) {
        cin >> shops[i];
    }

    for (int i = 0; i < m; i++) {
        int a, b; cin >> a >> b;
        roads[a].push_back(b);
        roads[b].push_back(a);
    }

    for (int i = 1; i < n+1; i++) {
        cout << bfs(n, i, roads, shops) << ' ';
    }

    cout << endl;
    return 0;
}

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: TIME LIMIT EXCEEDED

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
(empty)

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: TIME LIMIT EXCEEDED

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
(empty)

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: TIME LIMIT EXCEEDED

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
(empty)

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

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 (Gunnsteinn Þór Ólason )