CSES - Putka Open 2020 – 1/5 - Results
Submission details
Task:Lista
Sender:AtskaFin
Submission time:2020-09-05 20:50:12 +0300
Language:Node.js
Status:READY
Result:59
Feedback
groupverdictscore
#1ACCEPTED21
#2ACCEPTED38
#30
Test results
testverdicttimegroup
#1ACCEPTED0.44 s1, 2, 3details
#2ACCEPTED0.44 s1, 2, 3details
#3ACCEPTED0.44 s1, 2, 3details
#4ACCEPTED0.44 s1, 2, 3details
#5ACCEPTED0.44 s1, 2, 3details
#6ACCEPTED0.44 s1, 2, 3details
#7ACCEPTED0.44 s1, 2, 3details
#8ACCEPTED0.44 s1, 2, 3details
#9ACCEPTED0.44 s1, 2, 3details
#10ACCEPTED0.44 s2, 3details
#11ACCEPTED0.44 s2, 3details
#12ACCEPTED0.44 s2, 3details
#13ACCEPTED0.44 s2, 3details
#14ACCEPTED0.44 s2, 3details
#15ACCEPTED0.44 s2, 3details
#16ACCEPTED0.46 s3details
#17ACCEPTED0.51 s3details
#18--3details
#19--3details
#20--3details
#21ACCEPTED0.51 s3details

Code

const rl = require('readline').createInterface({
  input: process.stdin,
  output: process.stdout,
  terminal: false
});

let found = false;
let isPrime = new Array(2001).fill(1);

isPrime[0] = 0;
isPrime[1] = 0;

for (let i = 2; i <= 2000; i++) {
  if (!isPrime[i]) continue;
  for (let j = i * 2; j <= 2000; j += i) {
    isPrime[j] = 0;
  }
}

const getMissingNum = (v, n) => {
  let sum = n * (n+1) / 2;
  for (let i = v.length - 1; i > -1; i--) {
    sum -= v[i];
  }

  return sum;
}


const search = (c, n, v, s) => {
  if (found) return;
  
  if (c === n) {
    console.log(v.join(' '));
    found = true;
    return;
  }

  if (c === n - 1 && isPrime[getMissingNum(v, n) + 1]) {
    v.unshift(getMissingNum(v, n));
    search(c+1, n, v, s);
    return;
  }

  for (let i = (v[v.length - 1] % 2 === 0 ? 1 : 2); i <= n; i+=2) {
    if (isPrime[v[v.length - 1] + i] && !s.has(i)) {
      v.push(i);
      s.add(i);
      search(c+1, n, v, s);
      v.pop();
      s.delete(i);
    }
  }
}

rl.on('line', n => {
  n = Number(n);

  search(1, n, [1], new Set([1]));

  found = false;
});

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
2

correct output
1 2 

user output
2 1

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
4 1 2 3

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
6 1 4 3 2 5

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

input
7

correct output
3 4 1 2 5 6 7 

user output
1 2 3 4 7 6 5

Test 7

Group: 1, 2, 3

Verdict: ACCEPTED

input
8

correct output
7 6 5 2 1 4 3 8 

user output
1 2 3 4 7 6 5 8

Test 8

Group: 1, 2, 3

Verdict: ACCEPTED

input
9

correct output
7 6 5 2 1 4 3 8 9 

user output
1 2 3 4 7 6 5 8 9

Test 9

Group: 1, 2, 3

Verdict: ACCEPTED

input
10

correct output
7 6 5 2 1 4 3 8 9 10 

user output
10 1 2 3 4 7 6 5 8 9

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 2 3 4 7 6 5 8 9 10 13 16 15 ...

Test 11

Group: 2, 3

Verdict: ACCEPTED

input
56

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

user output
1 2 3 4 7 6 5 8 9 10 13 16 15 ...
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
60 1 2 3 4 7 6 5 8 9 10 13 16 ...
Truncated

Test 13

Group: 2, 3

Verdict: ACCEPTED

input
76

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

user output
72 1 2 3 4 7 6 5 8 9 10 13 16 ...
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 2 3 4 7 6 5 8 9 10 13 16 15 ...
Truncated

Test 15

Group: 2, 3

Verdict: ACCEPTED

input
100

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

user output
100 1 2 3 4 7 6 5 8 9 10 13 16...
Truncated

Test 16

Group: 3

Verdict: ACCEPTED

input
154

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

user output
150 1 2 3 4 7 6 5 8 9 10 13 16...
Truncated

Test 17

Group: 3

Verdict: ACCEPTED

input
430

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

user output
420 1 2 3 4 7 6 5 8 9 10 13 16...
Truncated

Test 18

Group: 3

Verdict:

input
629

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

user output
(empty)

Test 19

Group: 3

Verdict:

input
833

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

user output
(empty)

Test 20

Group: 3

Verdict:

input
885

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

user output
(empty)

Test 21

Group: 3

Verdict: ACCEPTED

input
1000

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

user output
1 2 3 4 7 6 5 8 9 10 13 16 15 ...
Truncated