CSES - NOI 2024 - Results
Submission details
Task:Chair Game
Sender:Anastasiia Saranchina
Submission time:2024-03-06 19:29:43 +0200
Language:C++17
Status:READY
Result:24
Feedback
groupverdictscore
#1ACCEPTED8
#2ACCEPTED5
#3ACCEPTED4
#4ACCEPTED7
#50
#60
#70
#80
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 7, 8details
#2ACCEPTED0.00 s1, 7, 8details
#3ACCEPTED0.01 s1, 7, 8details
#4ACCEPTED0.36 s1, 7, 8details
#5ACCEPTED0.01 s1, 7, 8details
#60.01 s7, 8details
#70.01 s7, 8details
#8ACCEPTED0.04 s2, 8details
#9ACCEPTED0.01 s3, 4, 5, 6, 8details
#10ACCEPTED0.01 s3, 4, 5, 6, 8details
#11ACCEPTED0.01 s3, 4, 5, 6, 8details
#12ACCEPTED0.02 s3, 4, 5, 6, 8details
#13ACCEPTED0.01 s4, 5, 6, 7, 8details
#14ACCEPTED0.01 s4, 5, 6, 8details
#15ACCEPTED0.01 s4, 5, 6, 8details
#16ACCEPTED0.02 s4, 5, 6, 8details
#170.01 s5, 6, 7, 8details
#180.01 s5, 6, 8details
#190.01 s5, 6, 8details
#200.01 s5, 6, 8details
#21ACCEPTED0.01 s1, 6, 7, 8details
#220.01 s6, 7, 8details
#230.01 s6, 8details
#240.01 s6, 8details
#250.01 s8details
#260.01 s8details
#27ACCEPTED0.01 s3, 4, 5, 6, 8details
#280.01 s8details
#290.01 s8details
#300.01 s8details

Code

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define fi first
#define se second
typedef long double ld;
mt19937 rnd(chrono::high_resolution_clock::now().time_since_epoch().count());
const ll inf = 1e9 + 7;
const ld eps = 1e-8;



signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int t;
    cin >> t;
    while (t--) {
        int n;
        cin >> n;
        vector<int> a(n);
        int ma = 0;
        vector<int> c(n);
        for (int i = 0; i < n; i++) {
            cin >> a[i];
            c[a[i] - 1]++;
            ma = max(ma, a[i]);
        }
        bool all = 1;
        for (int i = 0; i < n; i++) {
            if (c[i] != 1)
                all = 0;
        }
        if (n <= 8) {
            bool good = 0;
            sort(a.begin(), a.end());
            do {
                vector<int> cnt(n);
                for (int i = 0; i < n; i++) {
                    cnt[(i + a[i]) % n]++;
                }
                bool ok = 1;
                for (int i = 0; i < n; i++) {
                    if (cnt[i] != 1)
                        ok = 0;
                }
                if (ok) {
                    good = 1;
                }
            } while (!good && next_permutation(a.begin(), a.end()));
            vector<int> cnt(n);
            for (int i = 0; i < n; i++) {
                cnt[(i + a[i]) % n]++;
            }
            bool ok = 1;
            for (int i = 0; i < n; i++) {
                if (cnt[i] != 1)
                    ok = 0;
            }
            if (ok) {
                cout << "YES" << '\n';
                for (int i = 0; i < n; i++) {
                    cout << a[i] << ' ';
                }
                cout << '\n';
            } else {
                cout << "NO" << '\n';
            }
        }else if (all) {
            if (n % 2 == 0) {
                cout << "NO" << '\n';
            } else {
                cout << "YES" << '\n';
                for (int i = 0; i < n; i++) {
                    cout << i + 1 << ' ';
                }
                cout << '\n';
            }
        } else if (ma == 1) {
            cout << "YES" << '\n';
            for (int i = 0; i < n; i++) {
                cout << a[i] << ' ';
            }
            cout << '\n';
        } else if (ma == 2) {
            bool ok = 1;
            for (int i = 0; i < n; i++) {
                if (a[i] == 1)
                    ok = 0;
            }
            if (!ok)
                cout << "NO" << '\n';
            else {
                cout << "YES" << '\n';
                for (int i = 0; i < n; i++) {
                    cout << a[i] << ' ';
                }
                cout << '\n';
            }
        } else if (ma == 3) {
            vector<int> co(3);
            for (int i = 0; i < n; i++) {
                co[a[i] - 1]++;
            }
            if (co[0] == 0 && co[1] == 0) {
                cout << "YES" << '\n';
                for (int i = 0; i < n; i++) {
                    cout << a[i] << ' ';
                }
                cout << '\n';
            }
            else if (co[0] != co[2]) {
                cout << "NO" << '\n';
            } else {
                cout << "YES" << '\n';
                for (int i = 0; i < co[1]; i++) {
                    cout << 2 << ' ';
                }
                for (int i = 0; i < co[0]; i++) {
                    cout << 3 << ' ' << 1 << ' ';
                }
                cout << '\n';
            }
        }
    }
}

Test details

Test 1

Group: 1, 7, 8

Verdict: ACCEPTED

input
637
1
1
2
1 1
...

correct output
YES

YES
1 1 
YES
...

user output
YES

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
...

correct output
YES
1 1 1 1 1 1 1 
YES
1 1 1 1 2 7 1 
YES
...

user output
YES
1 1 1 1 1 1 1 
YES
1 1 1 1 1 2 7 
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
...

correct output
YES
1 1 1 1 1 1 1 1 
YES
1 1 2 8 1 1 1 1 
YES
...

user output
YES
1 1 1 1 1 1 1 1 
YES
1 1 1 1 1 1 2 8 
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
...

correct output
NO
YES
8 2 2 6 2 5 1 6 
NO
NO
...

user output
NO
YES
1 2 2 5 6 2 8 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
...

correct output
YES
7 2 2 7 1 3 8 2 
YES
4 4 7 3 3 5 5 1 
YES
...

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

Test 6

Group: 7, 8

Verdict:

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

correct output
NO
NO
NO
NO
NO
...

user output
(empty)

Test 7

Group: 7, 8

Verdict:

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

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

user output
(empty)

Test 8

Group: 2, 8

Verdict: ACCEPTED

input
1000
1
1
2
1 2
...

correct output
YES

NO
YES
3 1 2 
...

user output
YES

NO
YES
1 2 3 
...
Truncated

Test 9

Group: 3, 4, 5, 6, 8

Verdict: ACCEPTED

input
988
1
1
2
1 1
...

correct output
YES

YES
1 1 
YES
...

user output
YES

YES
1 1 
YES
...
Truncated

Test 10

Group: 3, 4, 5, 6, 8

Verdict: ACCEPTED

input
199
1
1
2
1 1
...

correct output
YES

YES
1 1 
YES
...

user output
YES

YES
1 1 
YES
...
Truncated

Test 11

Group: 3, 4, 5, 6, 8

Verdict: ACCEPTED

input
1000
100
1 1 1 2 1 1 2 2 1 1 1 1 1 2 1 ...

correct output
NO
NO
NO
NO
NO
...

user output
NO
NO
NO
NO
NO
...
Truncated

Test 12

Group: 3, 4, 5, 6, 8

Verdict: ACCEPTED

input
1000
100
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
YES
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

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

Test 13

Group: 4, 5, 6, 7, 8

Verdict: ACCEPTED

input
963
1
1
2
1 1
...

correct output
YES

YES
1 1 
YES
...

user output
YES

YES
1 1 
YES
...
Truncated

Test 14

Group: 4, 5, 6, 8

Verdict: ACCEPTED

input
979
1
1
2
1 1
...

correct output
YES

YES
1 1 
YES
...

user output
YES

YES
1 1 
YES
...
Truncated

Test 15

Group: 4, 5, 6, 8

Verdict: ACCEPTED

input
1000
100
3 3 1 2 1 1 2 3 1 3 2 1 1 3 1 ...

correct output
NO
NO
NO
NO
NO
...

user output
NO
NO
NO
NO
NO
...
Truncated

Test 16

Group: 4, 5, 6, 8

Verdict: ACCEPTED

input
1000
100
1 2 2 2 2 1 1 1 2 3 1 1 3 2 1 ...

correct output
YES
2 2 2 3 1 2 3 1 2 3 1 3 1 3 1 ...

user output
YES
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...
Truncated

Test 17

Group: 5, 6, 7, 8

Verdict:

input
980
1
1
2
1 1
...

correct output
YES

YES
1 1 
YES
...

user output
YES

YES
1 1 
YES
...
Truncated

Test 18

Group: 5, 6, 8

Verdict:

input
947
1
1
2
1 1
...

correct output
YES

YES
1 1 
YES
...

user output
YES

YES
1 1 
YES
...
Truncated

Test 19

Group: 5, 6, 8

Verdict:

input
1000
100
1 2 4 2 1 3 1 2 2 3 1 1 3 1 4 ...

correct output
NO
NO
NO
NO
NO
...

user output
(empty)

Test 20

Group: 5, 6, 8

Verdict:

input
1000
100
3 4 4 4 4 4 4 3 3 3 4 4 2 3 3 ...

correct output
YES
4 2 4 4 1 3 4 2 4 2 3 4 2 4 4 ...

user output
(empty)

Test 21

Group: 1, 6, 7, 8

Verdict: ACCEPTED

input
715
1
1
2
1 1
...

correct output
YES

YES
1 1 
YES
...

user output
YES

YES
1 1 
YES
...
Truncated

Test 22

Group: 6, 7, 8

Verdict:

input
843
1
1
2
1 1
...

correct output
YES

YES
1 1 
YES
...

user output
YES

YES
1 1 
YES
...
Truncated

Test 23

Group: 6, 8

Verdict:

input
1000
100
3 4 5 1 4 4 2 3 2 3 4 1 1 1 2 ...

correct output
NO
NO
NO
NO
NO
...

user output
(empty)

Test 24

Group: 6, 8

Verdict:

input
1000
100
5 3 4 3 5 3 3 5 5 4 5 5 5 5 2 ...

correct output
YES
4 4 5 5 2 4 4 5 3 5 5 2 5 5 2 ...

user output
(empty)

Test 25

Group: 8

Verdict:

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

correct output
NO
NO
NO
NO
NO
...

user output
(empty)

Test 26

Group: 8

Verdict:

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

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

user output
(empty)

Test 27

Group: 3, 4, 5, 6, 8

Verdict: ACCEPTED

input
1000
1
1
2
1 1
...

correct output
YES

YES
1 1 
YES
...

user output
YES

YES
1 1 
YES
...
Truncated

Test 28

Group: 8

Verdict:

input
1000
1
1
2
2 2
...

correct output
YES

YES
2 2 
YES
...

user output
YES

YES
2 2 
YES
...
Truncated

Test 29

Group: 8

Verdict:

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

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

user output
(empty)

Test 30

Group: 8

Verdict:

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

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

user output
(empty)