CSES - Putka Open 2020 – 1/5

Submission details
Task:	Lista
Sender:	Pohjantahti
Submission time:	2020-09-04 18:55:04 +0300
Language:	C++ (C++11)
Status:	READY
Result:	59

Feedback
group	verdict	score
#1	ACCEPTED	21
#2	ACCEPTED	38
#3	TIME LIMIT EXCEEDED	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.01 s	1, 2, 3	details
#2	ACCEPTED	0.01 s	1, 2, 3	details
#3	ACCEPTED	0.01 s	1, 2, 3	details
#4	ACCEPTED	0.01 s	1, 2, 3	details
#5	ACCEPTED	0.01 s	1, 2, 3	details
#6	ACCEPTED	0.01 s	1, 2, 3	details
#7	ACCEPTED	0.01 s	1, 2, 3	details
#8	ACCEPTED	0.01 s	1, 2, 3	details
#9	ACCEPTED	0.01 s	1, 2, 3	details
#10	ACCEPTED	0.01 s	2, 3	details
#11	ACCEPTED	0.01 s	2, 3	details
#12	ACCEPTED	0.01 s	2, 3	details
#13	ACCEPTED	0.01 s	2, 3	details
#14	ACCEPTED	0.01 s	2, 3	details
#15	ACCEPTED	0.01 s	2, 3	details
#16	TIME LIMIT EXCEEDED	--	3	details
#17	ACCEPTED	0.02 s	3	details
#18	TIME LIMIT EXCEEDED	--	3	details
#19	TIME LIMIT EXCEEDED	--	3	details
#20	TIME LIMIT EXCEEDED	--	3	details
#21	ACCEPTED	0.01 s	3	details

Code

#include <bits/stdc++.h>

using namespace std;

constexpr int N = 1005;

int n;
int res[N];
bool taken[N];
bool composite[2*N];

bool solve(int p) {
    if (p == n) return true;
    
    for (int i = 1; i <= n; ++i) {
        if (taken[i]) continue;
        
        if (p > 0) {
            if (composite[res[p-1] + i]) continue;
        }
        
        res[p] = i;
        taken[i] = true;
        
        bool ok = solve(p+1);
        if (ok) return true;
        
        taken[i] = false;
    }
    return false;
}

int main() {
    cin >> n;
    
    composite[1] = true;
    for (int i = 2; i < 2*N; ++i) {
        if (composite[i]) continue;
        for (int j = 2*i; j < 2*N; j += i) {
            composite[j] = true;
        }
    }
    
    bool ok = solve(0);
    assert(ok);

    for (int i = 0; i < n; ++i) {
        cout << res[i] << " ";
    }
    cout << "\n";
    return 0;
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
`2` view save

correct output
`1 2` view save

user output
`1 2` view save

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
`3` view save

correct output
`1 2 3` view save

user output
`1 2 3` view save

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
`4` view save

correct output
`1 2 3 4` view save

user output
`1 2 3 4` view save

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
`5` view save

correct output
`3 4 1 2 5` view save

user output
`1 4 3 2 5` view save

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
`6` view save

correct output
`3 4 1 2 5 6` view save

user output
`1 4 3 2 5 6` view save

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

input
`7` view save

correct output
`3 4 1 2 5 6 7` view save

user output
`1 2 3 4 7 6 5` view save

Test 7

Group: 1, 2, 3

Verdict: ACCEPTED

input
`8` view save

correct output
`7 6 5 2 1 4 3 8` view save

user output
`1 2 3 4 7 6 5 8` view save

Test 8

Group: 1, 2, 3

Verdict: ACCEPTED

input
`9` view save

correct output
`7 6 5 2 1 4 3 8 9` view save

user output
`1 2 3 4 7 6 5 8 9` view save

Test 9

Group: 1, 2, 3

Verdict: ACCEPTED

input
`10` view save

correct output
`7 6 5 2 1 4 3 8 9 10` view save

user output
`1 2 3 4 7 6 5 8 9 10` view save

Test 10

Group: 2, 3

Verdict: ACCEPTED

input
`19` view save

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

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

Test 11

Group: 2, 3

Verdict: ACCEPTED

input
`56` view save

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

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` view save

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

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

Test 13

Group: 2, 3

Verdict: ACCEPTED

input
`76` view save

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

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

Test 14

Group: 2, 3

Verdict: ACCEPTED

input
`90` view save

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

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` view save

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

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

Test 16

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`154` view save

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

user output
(empty)

Test 17

Group: 3

Verdict: ACCEPTED

input
`430` view save

correct output
`427 426 371 372 367 376 375 35...` view save

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

Test 18

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`629` view save

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

user output
(empty)

Test 19

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`833` view save

correct output
`829 828 793 574 523 516 515 51...` view save

user output
(empty)

Test 20

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`885` view save

correct output
`883 724 723 878 881 726 721 71...` view save

user output
(empty)

Test 21

Group: 3

Verdict: ACCEPTED

input
`1000` view save

correct output
`997 996 737 884 995 492 991 20...` view save

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

Putka Open 2020 – 1/5

Lista

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Tasks

Submissions (Pohjantahti)