CSES - NOI 2024 - Results
Submission details
Task:Chair Game
Sender:Sigurdur Haukur Birgisson
Submission time:2024-03-06 15:37:30 +0200
Language:C++ (C++11)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
#40
#50
#60
#70
#80
Test results
testverdicttimegroup
#10.01 s1, 7, 8details
#20.00 s1, 7, 8details
#30.01 s1, 7, 8details
#40.01 s1, 7, 8details
#50.01 s1, 7, 8details
#60.01 s7, 8details
#70.01 s7, 8details
#80.01 s2, 8details
#90.01 s3, 4, 5, 6, 8details
#10ACCEPTED0.01 s3, 4, 5, 6, 8details
#110.02 s3, 4, 5, 6, 8details
#12ACCEPTED0.03 s3, 4, 5, 6, 8details
#130.01 s4, 5, 6, 7, 8details
#140.01 s4, 5, 6, 8details
#150.02 s4, 5, 6, 8details
#160.02 s4, 5, 6, 8details
#170.01 s5, 6, 7, 8details
#180.01 s5, 6, 8details
#190.02 s5, 6, 8details
#200.02 s5, 6, 8details
#210.01 s1, 6, 7, 8details
#220.01 s6, 7, 8details
#230.02 s6, 8details
#240.02 s6, 8details
#250.03 s8details
#260.03 s8details
#27ACCEPTED0.02 s3, 4, 5, 6, 8details
#28ACCEPTED0.02 s8details
#290.03 s8details
#300.03 s8details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:26:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |     for (int i = 0; i < chairs.size() - 1; i++) {
      |                     ~~^~~~~~~~~~~~~~~~~~~
input/code.cpp:38:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |       for (int i = 0; i < chairs.size(); i++) {
      |                       ~~^~~~~~~~~~~~~~~
input/code.cpp:40:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |         if (i != chairs.size() - 1) {
      |             ~~^~~~~~~~~~~~~~~~~~~~
input/code.cpp:35:5: warning: 'is_valid' may be used uninitialized in this function [-Wmaybe-uninitialized]
   35 |     if (is_valid) {...

Code

#include <iostream>
#include <string>
#include <vector>

using namespace std;

int main() {
  int t;
  cin >> t;

  for (int i = 0; i < t; i++) {
    int n;
    cin >> n;
    vector<int> chairs;

    // get data
    for (int j = 0; j < n; j++) {
      int s;
      cin >> s;
      chairs.push_back(s);
    }

    // find if valid arrangement
    bool is_valid;
    for (int i = 0; i < chairs.size() - 1; i++) {
      if (chairs[i] != chairs[i + 1]) {
        is_valid = false;
        break;
      } else {
        is_valid = true;
      }
    }

    if (is_valid) {
      cout << "YES" << endl;

      for (int i = 0; i < chairs.size(); i++) {
        cout << chairs[i];
        if (i != chairs.size() - 1) {
          cout << " ";
        }
      }
      cout << endl;
    } else {
      cout << "NO";
    }
  }

  return 0;
}

Test details

Test 1

Group: 1, 7, 8

Verdict:

input
637
1
1
2
1 1
...

correct output
YES

YES
1 1 
YES
...

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

Test 2

Group: 1, 7, 8

Verdict:

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
NONONONONONONONONONONONONONONO...
Truncated

Test 3

Group: 1, 7, 8

Verdict:

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
NONONONONONONONONONONONONONONO...
Truncated

Test 4

Group: 1, 7, 8

Verdict:

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
NONONONONONONONONONONONONONONO...
Truncated

Test 5

Group: 1, 7, 8

Verdict:

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
NONONONONONONONONONONONONONONO...
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
NONONONONONONONONONONONONONONO...
Truncated

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
NONONONONONONONONONONONONONONO...
Truncated

Test 8

Group: 2, 8

Verdict:

input
1000
1
1
2
1 2
...

correct output
YES

NO
YES
3 1 2 
...

user output
YES
1
NONONONONONONONONONONONONONONO...
Truncated

Test 9

Group: 3, 4, 5, 6, 8

Verdict:

input
988
1
1
2
1 1
...

correct output
YES

YES
1 1 
YES
...

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

Test 11

Group: 3, 4, 5, 6, 8

Verdict:

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
NONONONONONONONONONONONONONONO...
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:

input
963
1
1
2
1 1
...

correct output
YES

YES
1 1 
YES
...

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

Test 14

Group: 4, 5, 6, 8

Verdict:

input
979
1
1
2
1 1
...

correct output
YES

YES
1 1 
YES
...

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

Test 15

Group: 4, 5, 6, 8

Verdict:

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
NONONONONONONONONONONONONONONO...
Truncated

Test 16

Group: 4, 5, 6, 8

Verdict:

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
NONONONONONONONONONONONONONONO...
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
1
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
1
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
NONONONONONONONONONONONONONONO...
Truncated

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
NONONONONONONONONONONONONONONO...
Truncated

Test 21

Group: 1, 6, 7, 8

Verdict:

input
715
1
1
2
1 1
...

correct output
YES

YES
1 1 
YES
...

user output
YES
1
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
1
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
NONONONONONONONONONONONONONONO...
Truncated

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
NONONONONONONONONONONONONONONO...
Truncated

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
NONONONONONONONONONONONONONONO...
Truncated

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
NONONONONONONONONONONONONONONO...
Truncated

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
1
YES
1 1
YES
...
Truncated

Test 28

Group: 8

Verdict: ACCEPTED

input
1000
1
1
2
2 2
...

correct output
YES

YES
2 2 
YES
...

user output
YES
1
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
NONONONONONONONONONONONONONONO...
Truncated

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
NONONONONONONONONONONONONONONO...
Truncated