CSES - NOI 2024

CSES - NOI 2024 - Results

Submission details
Task:	Chair Game
Sender:	Veikko Heikkinen
Submission time:	2024-03-06 18:10:06 +0200
Language:	C++ (C++20)
Status:	READY
Result:	8

Feedback
group	verdict	score
#1	ACCEPTED	8
#2	RUNTIME ERROR	0
#3	RUNTIME ERROR	0
#4	RUNTIME ERROR	0
#5	RUNTIME ERROR	0
#6	RUNTIME ERROR	0
#7	RUNTIME ERROR	0
#8	RUNTIME ERROR	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.00 s	1, 7, 8	details
#2	ACCEPTED	0.01 s	1, 7, 8	details
#3	ACCEPTED	0.04 s	1, 7, 8	details
#4	ACCEPTED	0.01 s	1, 7, 8	details
#5	ACCEPTED	0.02 s	1, 7, 8	details
#6	RUNTIME ERROR	0.00 s	7, 8	details
#7	RUNTIME ERROR	0.00 s	7, 8	details
#8	RUNTIME ERROR	0.00 s	2, 8	details
#9	RUNTIME ERROR	0.00 s	3, 4, 5, 6, 8	details
#10	RUNTIME ERROR	0.00 s	3, 4, 5, 6, 8	details
#11	RUNTIME ERROR	0.00 s	3, 4, 5, 6, 8	details
#12	RUNTIME ERROR	0.00 s	3, 4, 5, 6, 8	details
#13	RUNTIME ERROR	0.00 s	4, 5, 6, 7, 8	details
#14	RUNTIME ERROR	0.00 s	4, 5, 6, 8	details
#15	RUNTIME ERROR	0.00 s	4, 5, 6, 8	details
#16	RUNTIME ERROR	0.00 s	4, 5, 6, 8	details
#17	RUNTIME ERROR	0.00 s	5, 6, 7, 8	details
#18	RUNTIME ERROR	0.00 s	5, 6, 8	details
#19	RUNTIME ERROR	0.00 s	5, 6, 8	details
#20	RUNTIME ERROR	0.00 s	5, 6, 8	details
#21	ACCEPTED	0.01 s	1, 6, 7, 8	details
#22	RUNTIME ERROR	0.00 s	6, 7, 8	details
#23	RUNTIME ERROR	0.00 s	6, 8	details
#24	RUNTIME ERROR	0.00 s	6, 8	details
#25	RUNTIME ERROR	0.00 s	8	details
#26	RUNTIME ERROR	0.00 s	8	details
#27	RUNTIME ERROR	0.00 s	3, 4, 5, 6, 8	details
#28	RUNTIME ERROR	0.00 s	8	details
#29	RUNTIME ERROR	0.00 s	8	details
#30	RUNTIME ERROR	0.00 s	8	details

Code

#include <bits/stdc++.h>

#define debug(x) cout << #x << ": " << x << endl
#define all(x) begin(x),end(x)
#define rall(x) rbegin(x),rend(x)
#define fi first
#define se second

using namespace std;
using ll = long long;
using pii = pair<int, int>;

const int N = 100;
bool a[N], b[N];
int v[N], ans[N];
int p[N], n;

mt19937 g(69420);

bool calc(int i) {
    if (i == n) return 1;
    for (int j : p) if (!a[j] && !b[(j + v[i]) % n]) {
        a[j] = 1;
        b[(j + v[i]) % n] = 1;
        ans[j] = v[i];
        if (calc(i+1)) return 1;
        a[j] = 0;
        b[(j + v[i]) % n] = 0;
    }
    return 0;
}

void solve() {
    cin >> n;
    
    assert(n <= 8);
    
    memset(a, 0, sizeof a);
    memset(b, 0, sizeof b);
    
    int s = 0;
    for (int i = 0; i < n; ++i) {
        cin >> v[i];
        s += v[i];
        swap(v[i], v[g() % (i+1)]);
    }
    
    for (int i = 0; i < n; ++i) {
        p[i] = i;
        swap(p[i], p[g() % (i+1)]);
    }
    
    if (s % n != 0) cout << "NO\n";
    else {
        cout << "YES\n";
        if (n <= 8 || *max_element(v, v+n) <= 2) {
            calc(0);
            for (int i = 0; i < n; ++i) cout << ans[i] << " \n"[i == n-1];
        } else {
            for (int i = 1; i <= n; ++i) cout << i << " \n"[i == n];
        }
    }
}

int main() {
    cin.tie(0) -> sync_with_stdio(0);
    
    int t;
    cin >> t;
    while (t--) solve();
    
    return 0;
}

Test details

Test 1

Group: 1, 7, 8

Verdict: ACCEPTED

input
`637 1 1 2 1 1 ...` view save

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

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

Test 2

Group: 1, 7, 8

Verdict: ACCEPTED

input
`246 7 1 1 1 1 1 1 1 7 1 1 2 1 1 7 1 ...` view save

correct output
`YES 1 1 1 1 1 1 1 YES 1 1 1 1 2 7 1 YES ...` view save

user output
`YES 1 1 1 1 1 1 1 YES 1 1 2 7 1 1 1 YES ...` Truncated

Test 3

Group: 1, 7, 8

Verdict: ACCEPTED

input
`810 8 1 1 1 1 1 1 1 1 8 1 1 1 8 1 1 2 1 ...` view save

correct output
`YES 1 1 1 1 1 1 1 1 YES 1 1 2 8 1 1 1 1 YES ...` view save

user output
`YES 1 1 1 1 1 1 1 1 YES 8 1 1 1 1 1 1 2 YES ...` Truncated

Test 4

Group: 1, 7, 8

Verdict: ACCEPTED

input
`1000 8 8 8 5 2 8 7 6 5 8 6 5 2 2 8 2 1 6 ...` view save

correct output
`NO YES 8 2 2 6 2 5 1 6 NO NO ...` view save

user output
`NO YES 2 8 5 1 2 6 2 6 NO NO ...` Truncated

Test 5

Group: 1, 7, 8

Verdict: ACCEPTED

input
`1000 8 2 1 7 7 2 3 8 2 8 4 1 5 4 7 3 5 3 ...` view save

correct output
`YES 7 2 2 7 1 3 8 2 YES 4 4 7 3 3 5 5 1 YES ...` view save

user output
`YES 2 2 7 3 1 7 2 8 YES 4 5 1 4 5 3 7 3 YES ...` Truncated

Test 6

Group: 7, 8

Verdict: RUNTIME ERROR

input
`1000 16 15 16 6 4 14 2 1 6 2 16 10 2 9...` view save

correct output
`NO NO NO NO NO ...` view save

user output
(empty)

Error:

code: input/code.cpp:36: void solve(): Assertion `n <= 8' failed.

Test 7

Group: 7, 8

Verdict: RUNTIME ERROR

input
`1000 16 2 4 13 6 8 16 12 8 16 5 9 5 9 ...` view save

correct output
`YES 13 5 2 8 12 2 8 5 16 16 9 6 9 ...` view save

user output
(empty)

Error:

code: input/code.cpp:36: void solve(): Assertion `n <= 8' failed.

Test 8

Group: 2, 8

Verdict: RUNTIME ERROR

input
`1000 1 1 2 1 2 ...` view save

correct output
`YES 1 NO YES 3 1 2 ...` view save

user output
(empty)

Error:

code: input/code.cpp:36: void solve(): Assertion `n <= 8' failed.

Test 9

Group: 3, 4, 5, 6, 8

Verdict: RUNTIME ERROR

input
`988 1 1 2 1 1 ...` view save

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

user output
(empty)

Error:

code: input/code.cpp:36: void solve(): Assertion `n <= 8' failed.

Test 10

Group: 3, 4, 5, 6, 8

Verdict: RUNTIME ERROR

input
`199 1 1 2 1 1 ...` view save

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

user output
(empty)

Error:

code: input/code.cpp:36: void solve(): Assertion `n <= 8' failed.

Test 11

Group: 3, 4, 5, 6, 8

Verdict: RUNTIME ERROR

input
`1000 100 1 1 1 2 1 1 2 2 1 1 1 1 1 2 1 ...` view save

correct output
`NO NO NO NO NO ...` view save

user output
(empty)

Error:

code: input/code.cpp:36: void solve(): Assertion `n <= 8' failed.

Test 12

Group: 3, 4, 5, 6, 8

Verdict: RUNTIME ERROR

input
`1000 100 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

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

user output
(empty)

Error:

code: input/code.cpp:36: void solve(): Assertion `n <= 8' failed.

Test 13

Group: 4, 5, 6, 7, 8

Verdict: RUNTIME ERROR

input
`963 1 1 2 1 1 ...` view save

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

user output
(empty)

Error:

code: input/code.cpp:36: void solve(): Assertion `n <= 8' failed.

Test 14

Group: 4, 5, 6, 8

Verdict: RUNTIME ERROR

input
`979 1 1 2 1 1 ...` view save

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

user output
(empty)

Error:

code: input/code.cpp:36: void solve(): Assertion `n <= 8' failed.

Test 15

Group: 4, 5, 6, 8

Verdict: RUNTIME ERROR

input
`1000 100 3 3 1 2 1 1 2 3 1 3 2 1 1 3 1 ...` view save

correct output
`NO NO NO NO NO ...` view save

user output
(empty)

Error:

code: input/code.cpp:36: void solve(): Assertion `n <= 8' failed.

Test 16

Group: 4, 5, 6, 8

Verdict: RUNTIME ERROR

input
`1000 100 1 2 2 2 2 1 1 1 2 3 1 1 3 2 1 ...` view save

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

user output
(empty)

Error:

code: input/code.cpp:36: void solve(): Assertion `n <= 8' failed.

Test 17

Group: 5, 6, 7, 8

Verdict: RUNTIME ERROR

input
`980 1 1 2 1 1 ...` view save

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

user output
(empty)

Error:

code: input/code.cpp:36: void solve(): Assertion `n <= 8' failed.

Test 18

Group: 5, 6, 8

Verdict: RUNTIME ERROR

input
`947 1 1 2 1 1 ...` view save

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

user output
(empty)

Error:

code: input/code.cpp:36: void solve(): Assertion `n <= 8' failed.

Test 19

Group: 5, 6, 8

Verdict: RUNTIME ERROR

input
`1000 100 1 2 4 2 1 3 1 2 2 3 1 1 3 1 4 ...` view save

correct output
`NO NO NO NO NO ...` view save

user output
(empty)

Error:

code: input/code.cpp:36: void solve(): Assertion `n <= 8' failed.

Test 20

Group: 5, 6, 8

Verdict: RUNTIME ERROR

input
`1000 100 3 4 4 4 4 4 4 3 3 3 4 4 2 3 3 ...` view save

correct output
`YES 4 2 4 4 1 3 4 2 4 2 3 4 2 4 4 ...` view save

user output
(empty)

Error:

code: input/code.cpp:36: void solve(): Assertion `n <= 8' failed.

Test 21

Group: 1, 6, 7, 8

Verdict: ACCEPTED

input
`715 1 1 2 1 1 ...` view save

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

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

Test 22

Group: 6, 7, 8

Verdict: RUNTIME ERROR

input
`843 1 1 2 1 1 ...` view save

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

user output
(empty)

Error:

code: input/code.cpp:36: void solve(): Assertion `n <= 8' failed.

Test 23

Group: 6, 8

Verdict: RUNTIME ERROR

input
`1000 100 3 4 5 1 4 4 2 3 2 3 4 1 1 1 2 ...` view save

correct output
`NO NO NO NO NO ...` view save

user output
(empty)

Error:

code: input/code.cpp:36: void solve(): Assertion `n <= 8' failed.

Test 24

Group: 6, 8

Verdict: RUNTIME ERROR

input
`1000 100 5 3 4 3 5 3 3 5 5 4 5 5 5 5 2 ...` view save

correct output
`YES 4 4 5 5 2 4 4 5 3 5 5 2 5 5 2 ...` view save

user output
(empty)

Error:

code: input/code.cpp:36: void solve(): Assertion `n <= 8' failed.

Test 25

Group: 8

Verdict: RUNTIME ERROR

input
`1000 100 88 70 59 44 28 10 19 19 42 16 ...` view save

correct output
`NO NO NO NO NO ...` view save

user output
(empty)

Error:

code: input/code.cpp:36: void solve(): Assertion `n <= 8' failed.

Test 26

Group: 8

Verdict: RUNTIME ERROR

input
`1000 100 31 72 52 30 77 56 79 10 88 11 ...` view save

correct output
`YES 31 62 14 10 66 63 1 82 37 92 3...` view save

user output
(empty)

Error:

code: input/code.cpp:36: void solve(): Assertion `n <= 8' failed.

Test 27

Group: 3, 4, 5, 6, 8

Verdict: RUNTIME ERROR

input
`1000 1 1 2 1 1 ...` view save

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

user output
(empty)

Error:

code: input/code.cpp:36: void solve(): Assertion `n <= 8' failed.

Test 28

Group: 8

Verdict: RUNTIME ERROR

input
`1000 1 1 2 2 2 ...` view save

correct output
`YES 1 YES 2 2 YES ...` view save

user output
(empty)

Error:

code: input/code.cpp:36: void solve(): Assertion `n <= 8' failed.

Test 29

Group: 8

Verdict: RUNTIME ERROR

input
`1000 100 87 81 29 35 8 98 77 50 46 34 5...` view save

correct output
`YES 34 74 25 91 80 18 95 26 88 12 ...` view save

user output
(empty)

Error:

code: input/code.cpp:36: void solve(): Assertion `n <= 8' failed.

Test 30

Group: 8

Verdict: RUNTIME ERROR

input
`1000 100 65 92 39 22 67 41 17 65 97 71 ...` view save

correct output
`YES 9 38 24 59 69 24 63 3 22 35 24...` view save

user output
(empty)

Error:

code: input/code.cpp:36: void solve(): Assertion `n <= 8' failed.

NOI 2024

Chair Game

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

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Test 25

Test 26

Test 27

Test 28

Test 29

Test 30

Tasks

Submissions (Veikko Heikkinen)