QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #267916 | #6428. K Co-prime Permutation | yujie3 | WA | 42ms | 3704kb | C++20 | 806b | 2023-11-27 20:58:04 | 2023-11-27 20:58:06 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
int n,k;
void solve(){
cin >> n >> k;
if(!k){
cout << -1 << endl;
return;
}
if(k & 1){
cout << 1 << " ";
k --;
for(int i = 2;i <= n;i += 2){
if(k){
cout << i + 1 << " " << i << " ";
k -= 2;
} else{
if(i != n) cout << i << " " << i + 1 << " ";
else cout << i << " ";
}
} cout << endl;
} else{
cout << n << " ";
k -= 2;
for(int i = 2;i <= n;i += 2){
if(k){
cout << i + 1 << " " << i << " ";
k -= 2;
} else{
if(i != n) cout << i << " " << i + 1 << " ";
else cout << 1 << " ";
}
} cout << endl;
}
}
signed main(){
ios::sync_with_stdio(false);
cin.tie(nullptr),cout.tie(nullptr);
int _; _ = 1;
while(_ --){
solve();
} return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3644kb
input:
5 3
output:
1 3 2 4 5
result:
ok ac
Test #2:
score: 0
Accepted
time: 0ms
memory: 3620kb
input:
1 0
output:
-1
result:
ok ac
Test #3:
score: 0
Accepted
time: 41ms
memory: 3644kb
input:
1000000 3789
output:
1 3 2 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: 42ms
memory: 3632kb
input:
1000000 578768
output:
1000000 3 2 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 10...
result:
ok ac
Test #5:
score: 0
Accepted
time: 0ms
memory: 3704kb
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: 3640kb
input:
600000 600000
output:
600000 3 2 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...
result:
ok ac
Test #7:
score: 0
Accepted
time: 28ms
memory: 3560kb
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: 3576kb
input:
600000 0
output:
-1
result:
ok ac
Test #9:
score: 0
Accepted
time: 42ms
memory: 3632kb
input:
1000000 999997
output:
1 3 2 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: 42ms
memory: 3620kb
input:
1000000 510000
output:
1000000 3 2 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 10...
result:
ok ac
Test #11:
score: -100
Wrong Answer
time: 41ms
memory: 3688kb
input:
999877 23324
output:
999877 3 2 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...
result:
wrong answer not a permutation