CSES - NOI 2024

CSES - NOI 2024 - Results

Submission details
Task:	Anime Shops
Sender:	Niilo Mikkola
Submission time:	2024-03-06 17:16:31 +0200
Language:	C++ (C++17)
Status:	READY
Result:	100

Feedback
group	verdict	score
#1	ACCEPTED	23
#2	ACCEPTED	16
#3	ACCEPTED	61

Test results
test	verdict	time	group
#1	ACCEPTED	0.01 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	ACCEPTED	0.20 s	3	details
#6	ACCEPTED	0.21 s	3	details
#7	ACCEPTED	0.21 s	3	details
#8	ACCEPTED	0.26 s	3	details
#9	ACCEPTED	0.10 s	2, 3	details
#10	ACCEPTED	0.10 s	2, 3	details
#11	ACCEPTED	0.14 s	2, 3	details
#12	ACCEPTED	0.10 s	3	details
#13	ACCEPTED	0.09 s	3	details
#14	ACCEPTED	0.10 s	3	details
#15	ACCEPTED	0.05 s	3	details
#16	ACCEPTED	0.10 s	3	details

Code

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 1<<17;
 
struct Node {
    int i1, d1;
    int i2, d2;
};
Node I[N];
bool Z[N];
vector<int> L[N];
vector<pair<int,int>> V1, V2;
 
int main() {
    int n, m, k;
    cin >> n >> m >> k;
    for (int i=0; i < k; ++i) {
        int x;
        cin >> x;
        Z[x] = 1;
        V1.push_back({x,x});
    }
    for (int i=0; i < m; ++i) {
        int a, b;
        cin >> a >> b;
        L[a].push_back(b);
        L[b].push_back(a);
    }
    int d = 1;
    while (V1.size()) {
        //cout << ">";
        for (auto [ind,oi] : V1) {
            //cout << ind << ' ';
            for (int x : L[ind]) {
                Node& n = I[x];
                if (!n.i1) {
                    n.i1 = oi;
                    n.d1 = d;
                    V2.push_back({x,oi});
                } else if (!n.i2 && n.i1 != oi) {
                    n.i2 = oi;
                    n.d2 = d;
                    V2.push_back({x,oi});
                }
            }
        }
        //cout << '\n';
        V1.swap(V2);
        V2.clear();
        ++d;
    }
    for (int i=1; i <= n; ++i) {
        int d = -1;
        if (Z[i]) {
            d = 1<<17;
            for (int x : L[i]) {
                if (Z[x]) {
                    d = 1;
                    break;
                } else {
                    if (I[x].i1 && I[x].i1 != i) {
                        d = min(d,I[x].d1+1);
                    } else if (I[x].i2 && I[x].i2 != i) {
                        d = min(d,I[x].d2+1);
                    }
                }
            }
            if (d == 1<<17) d = -1;
        } else if (I[i].i1) {
            d = I[i].d1;
        }
        cout << d << ' ';
    }
    cout << '\n';
}

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: ACCEPTED

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
`8 10 8 8 8 8 8 8 9 7 7 8 8 8 6...` Truncated

Test 6

Group: 3

Verdict: ACCEPTED

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
`-1 8 6 5 5 7 6 7 6 6 8 5 6 4 5...` Truncated

Test 7

Group: 3

Verdict: ACCEPTED

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
`4 5 5 5 5 4 6 -1 5 4 5 6 4 5 5...` Truncated

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: ACCEPTED

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

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

user output
`44157 44156 44155 44154 44153 ...` Truncated

Test 10

Group: 2, 3

Verdict: ACCEPTED

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
`361 360 359 358 357 356 355 35...` Truncated

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: ACCEPTED

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
`33333 33332 33332 33332 33331 ...` Truncated

Test 13

Group: 3

Verdict: ACCEPTED

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
`333 333 333 333 333 333 333 33...` Truncated

Test 14

Group: 3

Verdict: ACCEPTED

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: ACCEPTED

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
`50000 1 2 3 4 5 6 7 8 9 10 11 ...` Truncated

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 (Niilo Mikkola)