CSES - Putka Open 2020 – 1/5 - Results
Submission details
Task:Lista
Sender:Hannes
Submission time:2020-09-06 16:57:56 +0300
Language:C++11
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2, 3details
#20.01 s1, 2, 3details
#3ACCEPTED0.01 s1, 2, 3details
#40.01 s1, 2, 3details
#50.01 s1, 2, 3details
#60.01 s1, 2, 3details
#70.01 s1, 2, 3details
#80.01 s1, 2, 3details
#90.01 s1, 2, 3details
#100.01 s2, 3details
#110.01 s2, 3details
#120.01 s2, 3details
#130.01 s2, 3details
#140.01 s2, 3details
#150.01 s2, 3details
#160.01 s3details
#170.01 s3details
#180.01 s3details
#190.01 s3details
#200.01 s3details
#21--3details

Compiler report

input/code.cpp: In function 'bool solve(int)':
input/code.cpp:28:7: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
       for (int i=0;i<n;++i)  cout << A[i] << " ";cout << endl;
       ^~~
input/code.cpp:28:50: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
       for (int i=0;i<n;++i)  cout << A[i] << " ";cout << endl;
                                                  ^~~~

Code

#include <bits/stdc++.h>
using namespace std;
int n, nn;
const int N=2020;
int p[N];

int A[1010];

bool check() {
//   for (int i=0;i<n;++i)  cout << A[i] << " ";cout << endl;
  for (int i=1;i<n;++i) if (p[A[i]+A[i+1]]) return 0;
  return 1;
}

bool solve(int n) {
  for (int s=0;s<n*n;++s) {
    for (int i=0;i<n;++i) {
      if (~i&1) {
        A[i]=i+1;
        A[i]+=2*(s/n);
        if (A[i]>n) A[i]-=n-1;
      }else {
        A[i]=nn+2*(s%n)-i+1;
        if (A[i]>n)A[i]-=n-1;    
      }
    }
    if (check()) {
      for (int i=0;i<n;++i)  cout << A[i] << " ";cout << endl;
      return 1;
    }
  }
  return 0;
}

int main() {
  p[0]=1;p[1]=1;
  for (int i=2;i<N;++i) {
    if (p[i]) continue;
    for (int j=i+i;j<N;j+=i) p[j]=1;
  }
  /*
  for (int i=0;i<1000;++i) {
    if (!solve(1000)) { cout << "QAQ\n" << endl; return 0;}
    cout << i << endl;
  }
  return 0;//*/
  cin >> n;
  if (!solve(n))  cout << "QAQ\n" << endl;
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
2

correct output
1 2 

user output
1 2 

Test 2

Group: 1, 2, 3

Verdict:

input
3

correct output
1 2 3 

user output
1 0 3 

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
4

correct output
1 2 3 4 

user output
1 4 3 2 

Test 4

Group: 1, 2, 3

Verdict:

input
5

correct output
3 4 1 2 5 

user output
1 2 3 0 5 

Test 5

Group: 1, 2, 3

Verdict:

input
6

correct output
3 4 1 2 5 6 

user output
1 2 3 0 5 -2 

Test 6

Group: 1, 2, 3

Verdict:

input
7

correct output
3 4 1 2 5 6 7 

user output
1 2 3 0 5 -2 7 

Test 7

Group: 1, 2, 3

Verdict:

input
8

correct output
7 6 5 2 1 4 3 8 

user output
1 2 3 0 5 -2 7 -4 

Test 8

Group: 1, 2, 3

Verdict:

input
9

correct output
7 6 5 2 1 4 3 8 9 

user output
3 0 5 -2 7 -4 9 -6 3 

Test 9

Group: 1, 2, 3

Verdict:

input
10

correct output
7 6 5 2 1 4 3 8 9 10 

user output
1 2 3 0 5 -2 7 -4 9 -6 

Test 10

Group: 2, 3

Verdict:

input
19

correct output
17 14 3 8 15 16 13 6 5 2 1 4 9...

user output
1 2 3 0 5 -2 7 -4 9 -6 11 -8 1...

Test 11

Group: 2, 3

Verdict:

input
56

correct output
55 54 53 50 51 52 49 48 13 28 ...

user output
1 2 3 0 5 -2 7 -4 9 -6 11 -8 1...

Test 12

Group: 2, 3

Verdict:

input
70

correct output
67 4 1 2 9 32 35 38 65 66 61 4...

user output
1 2 3 0 5 -2 7 -4 9 -6 11 -8 1...

Test 13

Group: 2, 3

Verdict:

input
76

correct output
73 66 61 42 59 54 53 50 51 52 ...

user output
1 2 3 0 5 -2 7 -4 9 -6 11 -8 1...

Test 14

Group: 2, 3

Verdict:

input
90

correct output
87 86 11 18 29 44 45 16 55 58 ...

user output
1 2 3 0 5 -2 7 -4 9 -6 11 -8 1...

Test 15

Group: 2, 3

Verdict:

input
100

correct output
97 96 95 78 25 82 81 56 71 68 ...

user output
1 2 3 0 5 -2 7 -4 9 -6 11 -8 1...

Test 16

Group: 3

Verdict:

input
154

correct output
151 6 5 92 137 134 149 84 143 ...

user output
1 2 3 0 5 -2 7 -4 9 -6 11 -8 1...

Test 17

Group: 3

Verdict:

input
430

correct output
427 426 371 372 367 376 375 35...

user output
1 2 3 0 5 -2 7 -4 9 -6 11 -8 1...

Test 18

Group: 3

Verdict:

input
629

correct output
627 404 227 146 83 150 77 74 3...

user output
3 236 5 234 7 232 9 230 11 228...

Test 19

Group: 3

Verdict:

input
833

correct output
829 828 793 574 523 516 515 51...

user output
3 656 5 654 7 652 9 650 11 648...

Test 20

Group: 3

Verdict:

input
885

correct output
883 724 723 878 881 726 721 71...

user output
3 806 5 804 7 802 9 800 11 798...

Test 21

Group: 3

Verdict:

input
1000

correct output
997 996 737 884 995 492 991 20...

user output
(empty)