CSES - NOI 2024

CSES - NOI 2024 - Results

Submission details
Task:	Anime Shops
Sender:	Þórhallur Tryggvason
Submission time:	2024-03-06 19:53:29 +0200
Language:	C++ (C++20)
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	WRONG ANSWER	0
#2	TIME LIMIT EXCEEDED	0
#3	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.06 s	1, 3	details
#2	WRONG ANSWER	0.01 s	1, 3	details
#3	WRONG ANSWER	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	0.30 s	3	details
#9	TIME LIMIT EXCEEDED	--	2, 3	details
#10	TIME LIMIT EXCEEDED	--	2, 3	details
#11	ACCEPTED	0.18 s	2, 3	details
#12	TIME LIMIT EXCEEDED	--	3	details
#13	TIME LIMIT EXCEEDED	--	3	details
#14	WRONG ANSWER	0.16 s	3	details
#15	ACCEPTED	0.09 s	3	details
#16	TIME LIMIT EXCEEDED	--	3	details

Code

#include <bits/stdc++.h>

using namespace std;

int main() {
    int n,m,k;
    cin >> n >> m >> k;
    unordered_set<int> shops;
    vector<int> shop_vec(k);
    for (int i = 0; i < k; i++) {
        int a;
        cin >> a;
        a--;
        shops.insert(a);
        shop_vec[i] = a;
    }
    vector<vector<int>> adj(n);

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

    vector<int> distances(n, -1);
    for (int i = 0; i < n; i++) {
        vector<bool> visited(n, false);
        priority_queue<pair<int, int>, deque<pair<int, int>>, greater<pair<int, int>>> pq;
        pq.push(make_pair(0, i));
        while (!pq.empty()) {
            auto curr = pq.top(); pq.pop();
            if (visited[curr.second]) continue;
            visited[curr.second] = true;
            if (curr.second != i) {
                // find if in shops
                if (shops.find(curr.second) != shops.end()) {
                    distances[i] = curr.first;
                    break;
                } else if (distances[curr.second] != -1) {
                    int shop = shop_vec[0];
                    if (shop == i) {
                        if (k > 1) {
                            shop = shop_vec[1];
                        } else {
                            distances[i] = -1;
                            break;
                        }
                    }
                    pq.push(make_pair(curr.first + distances[curr.second], shop));
                    continue;
                }
            }
            for (auto x : adj[curr.second]) {
                if (!visited[x]) {
                    pq.push(make_pair(curr.first + 1, x));
                }
            }
        }
    }

    for (auto dist : distances) {
        cout << dist << " ";
    }
    cout << endl;
}

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: WRONG ANSWER

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: WRONG ANSWER

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: WRONG ANSWER

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
`3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 ...` Truncated

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

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 (Þórhallur Tryggvason)