CSES - Putka Open 2020 – 1/5 - Results
Submission details
Task:Lista
Sender:AtskaFin
Submission time:2020-09-06 09:39:37 +0300
Language:C++ (C++11)
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED21
#2ACCEPTED38
#3ACCEPTED41
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2, 3details
#2ACCEPTED0.01 s1, 2, 3details
#3ACCEPTED0.01 s1, 2, 3details
#4ACCEPTED0.01 s1, 2, 3details
#5ACCEPTED0.01 s1, 2, 3details
#6ACCEPTED0.01 s1, 2, 3details
#7ACCEPTED0.01 s1, 2, 3details
#8ACCEPTED0.01 s1, 2, 3details
#9ACCEPTED0.01 s1, 2, 3details
#10ACCEPTED0.01 s2, 3details
#11ACCEPTED0.01 s2, 3details
#12ACCEPTED0.01 s2, 3details
#13ACCEPTED0.01 s2, 3details
#14ACCEPTED0.01 s2, 3details
#15ACCEPTED0.01 s2, 3details
#16ACCEPTED0.01 s3details
#17ACCEPTED0.01 s3details
#18ACCEPTED0.01 s3details
#19ACCEPTED0.01 s3details
#20ACCEPTED0.01 s3details
#21ACCEPTED0.02 s3details

Compiler report

input/code.cpp: In function 'void search(int)':
input/code.cpp:17:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if (row.size() == n) {
       ~~~~~~~~~~~^~~~

Code

#include <iostream>
#include <vector>
#include <set>
 
using namespace std;
 
int n;
vector<int> v[1001];
int sieve[2001];
set<int> s = {1};
vector<int> row = {1};
bool found = false;

void search(int node) {
  if (found) return;

  if (row.size() == n) {
    found = true;
    for (int i : row) {
      cout << i << " ";
    }

    cout << "\n";
    return;
  }

  for (int neighbour : v[node]) {
    if (!s.count(neighbour)) {
      s.insert(neighbour);
      row.push_back(neighbour);
      search(neighbour);
      return;
    }
  }
}

int main() {
  for (int i = 2; i <= 2000; i++) {
    if (sieve[i]) continue;
    for (int j = i * 2; j <= 2000; j += i) {
      sieve[j] = 1;
    }
  }

  cin >> n;
  
  for (int i = 1; i <= n; i++) {
    for (int j = n; j > 0; j--) {
      if (!sieve[i+j]) {
        v[i].push_back(j);
      }
    }
  }

  search(1);
}

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: ACCEPTED

input
3

correct output
1 2 3 

user output
1 2 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: ACCEPTED

input
5

correct output
3 4 1 2 5 

user output
1 4 3 2 5 

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
6

correct output
3 4 1 2 5 6 

user output
1 6 5 2 3 4 

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

input
7

correct output
3 4 1 2 5 6 7 

user output
1 6 7 4 3 2 5 

Test 7

Group: 1, 2, 3

Verdict: ACCEPTED

input
8

correct output
7 6 5 2 1 4 3 8 

user output
1 6 7 4 3 8 5 2 

Test 8

Group: 1, 2, 3

Verdict: ACCEPTED

input
9

correct output
7 6 5 2 1 4 3 8 9 

user output
1 6 7 4 9 8 5 2 3 

Test 9

Group: 1, 2, 3

Verdict: ACCEPTED

input
10

correct output
7 6 5 2 1 4 3 8 9 10 

user output
1 10 9 8 5 6 7 4 3 2 

Test 10

Group: 2, 3

Verdict: ACCEPTED

input
19

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

user output
1 18 19 12 17 14 15 16 13 10 9...

Test 11

Group: 2, 3

Verdict: ACCEPTED

input
56

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

user output
1 52 55 54 53 56 51 50 47 42 4...
Truncated

Test 12

Group: 2, 3

Verdict: ACCEPTED

input
70

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

user output
1 70 69 68 63 64 67 60 53 56 5...
Truncated

Test 13

Group: 2, 3

Verdict: ACCEPTED

input
76

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

user output
1 72 67 70 69 68 71 66 73 76 7...
Truncated

Test 14

Group: 2, 3

Verdict: ACCEPTED

input
90

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

user output
1 88 85 82 81 86 87 80 83 90 8...
Truncated

Test 15

Group: 2, 3

Verdict: ACCEPTED

input
100

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

user output
1 100 99 98 95 96 97 94 87 92 ...
Truncated

Test 16

Group: 3

Verdict: ACCEPTED

input
154

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

user output
1 150 143 140 153 154 139 144 ...
Truncated

Test 17

Group: 3

Verdict: ACCEPTED

input
430

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

user output
1 430 429 428 425 414 415 424 ...
Truncated

Test 18

Group: 3

Verdict: ACCEPTED

input
629

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

user output
1 618 619 612 625 624 613 616 ...
Truncated

Test 19

Group: 3

Verdict: ACCEPTED

input
833

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

user output
1 828 829 808 819 818 809 812 ...
Truncated

Test 20

Group: 3

Verdict: ACCEPTED

input
885

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

user output
1 882 877 876 883 870 871 862 ...
Truncated

Test 21

Group: 3

Verdict: ACCEPTED

input
1000

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

user output
1 996 997 1000 999 998 995 992...
Truncated