QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #725256 | #6428. K Co-prime Permutation | 333zhan# | AC ✓ | 41ms | 11072kb | C++20 | 858b | 2024-11-08 16:50:47 | 2024-11-08 16:50:49 |
Judging History
answer
#include <bits/stdc++.h>
#define int long long
using namespace std;
void solve () {
int n, k;
cin >> n >> k;
if (k == 0) {
cout << -1 << '\n';
return;
}
vector <int> ans (n);
iota (ans.begin (), ans.end (), 1);
if (k & 1 && k > 1) {
ans[0] = 2;
ans[1] = 3;
ans[2] = 1;
for (int i = 3; i < k; i += 2) {
swap (ans[i], ans[i + 1]);
}
} else if (k & 1 ^ 1) {
for (int i = 0; i < k; i += 2) {
swap (ans[i], ans[i + 1]);
}
}
for (int i = 0; i < n; i ++) {
cout << ans[i] << " \n"[i == n - 1];
}
}
signed main () {
ios::sync_with_stdio (false);
cin.tie (nullptr);
int T = 1;
// cin >> T;
while (T --) {
solve ();
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 3784kb
input:
5 3
output:
2 3 1 4 5
result:
ok ac
Test #2:
score: 0
Accepted
time: 0ms
memory: 3812kb
input:
1 0
output:
-1
result:
ok ac
Test #3:
score: 0
Accepted
time: 35ms
memory: 11012kb
input:
1000000 3789
output:
2 3 1 5 4 7 6 9 8 11 10 13 12 15 14 17 16 19 18 21 20 23 22 25 24 27 26 29 28 31 30 33 32 35 34 37 36 39 38 41 40 43 42 45 44 47 46 49 48 51 50 53 52 55 54 57 56 59 58 61 60 63 62 65 64 67 66 69 68 71 70 73 72 75 74 77 76 79 78 81 80 83 82 85 84 87 86 89 88 91 90 93 92 95 94 97 96 99 98 101 100 103 ...
result:
ok ac
Test #4:
score: 0
Accepted
time: 35ms
memory: 10864kb
input:
1000000 578768
output:
2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 18 17 20 19 22 21 24 23 26 25 28 27 30 29 32 31 34 33 36 35 38 37 40 39 42 41 44 43 46 45 48 47 50 49 52 51 54 53 56 55 58 57 60 59 62 61 64 63 66 65 68 67 70 69 72 71 74 73 76 75 78 77 80 79 82 81 84 83 86 85 88 87 90 89 92 91 94 93 96 95 98 97 100 99 102 101 ...
result:
ok ac
Test #5:
score: 0
Accepted
time: 0ms
memory: 3520kb
input:
500 1
output:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 ...
result:
ok ac
Test #6:
score: 0
Accepted
time: 24ms
memory: 7716kb
input:
600000 600000
output:
2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 18 17 20 19 22 21 24 23 26 25 28 27 30 29 32 31 34 33 36 35 38 37 40 39 42 41 44 43 46 45 48 47 50 49 52 51 54 53 56 55 58 57 60 59 62 61 64 63 66 65 68 67 70 69 72 71 74 73 76 75 78 77 80 79 82 81 84 83 86 85 88 87 90 89 92 91 94 93 96 95 98 97 100 99 102 101 ...
result:
ok ac
Test #7:
score: 0
Accepted
time: 23ms
memory: 7628kb
input:
600000 1
output:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 ...
result:
ok ac
Test #8:
score: 0
Accepted
time: 0ms
memory: 3544kb
input:
600000 0
output:
-1
result:
ok ac
Test #9:
score: 0
Accepted
time: 32ms
memory: 10804kb
input:
1000000 999997
output:
2 3 1 5 4 7 6 9 8 11 10 13 12 15 14 17 16 19 18 21 20 23 22 25 24 27 26 29 28 31 30 33 32 35 34 37 36 39 38 41 40 43 42 45 44 47 46 49 48 51 50 53 52 55 54 57 56 59 58 61 60 63 62 65 64 67 66 69 68 71 70 73 72 75 74 77 76 79 78 81 80 83 82 85 84 87 86 89 88 91 90 93 92 95 94 97 96 99 98 101 100 103 ...
result:
ok ac
Test #10:
score: 0
Accepted
time: 41ms
memory: 11012kb
input:
1000000 510000
output:
2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 18 17 20 19 22 21 24 23 26 25 28 27 30 29 32 31 34 33 36 35 38 37 40 39 42 41 44 43 46 45 48 47 50 49 52 51 54 53 56 55 58 57 60 59 62 61 64 63 66 65 68 67 70 69 72 71 74 73 76 75 78 77 80 79 82 81 84 83 86 85 88 87 90 89 92 91 94 93 96 95 98 97 100 99 102 101 ...
result:
ok ac
Test #11:
score: 0
Accepted
time: 30ms
memory: 11072kb
input:
999877 23324
output:
2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 18 17 20 19 22 21 24 23 26 25 28 27 30 29 32 31 34 33 36 35 38 37 40 39 42 41 44 43 46 45 48 47 50 49 52 51 54 53 56 55 58 57 60 59 62 61 64 63 66 65 68 67 70 69 72 71 74 73 76 75 78 77 80 79 82 81 84 83 86 85 88 87 90 89 92 91 94 93 96 95 98 97 100 99 102 101 ...
result:
ok ac
Test #12:
score: 0
Accepted
time: 0ms
memory: 3752kb
input:
1 1
output:
1
result:
ok ac
Test #13:
score: 0
Accepted
time: 0ms
memory: 3540kb
input:
2 0
output:
-1
result:
ok ac
Test #14:
score: 0
Accepted
time: 0ms
memory: 3788kb
input:
2 1
output:
1 2
result:
ok ac
Test #15:
score: 0
Accepted
time: 0ms
memory: 3484kb
input:
2 2
output:
2 1
result:
ok ac