QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #537104 | #8041. Life is Hard and Undecidable, but... | rotcar07 | AC ✓ | 0ms | 3720kb | C++14 | 182b | 2024-08-29 20:26:30 | 2024-08-29 20:26:31 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
constexpr int maxn=1e5+5;
int n;
int main(){
cin>>n;n*=2;cout<<n<<'\n';
for(int j=1;j<=n;j++) cout<<j<<' '<<n+1-j<<'\n';
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3620kb
input:
1
output:
2 1 2 2 1
result:
ok n=2
Test #2:
score: 0
Accepted
time: 0ms
memory: 3632kb
input:
2
output:
4 1 4 2 3 3 2 4 1
result:
ok n=4
Test #3:
score: 0
Accepted
time: 0ms
memory: 3564kb
input:
3
output:
6 1 6 2 5 3 4 4 3 5 2 6 1
result:
ok n=6
Test #4:
score: 0
Accepted
time: 0ms
memory: 3632kb
input:
4
output:
8 1 8 2 7 3 6 4 5 5 4 6 3 7 2 8 1
result:
ok n=8
Test #5:
score: 0
Accepted
time: 0ms
memory: 3636kb
input:
5
output:
10 1 10 2 9 3 8 4 7 5 6 6 5 7 4 8 3 9 2 10 1
result:
ok n=10
Test #6:
score: 0
Accepted
time: 0ms
memory: 3576kb
input:
6
output:
12 1 12 2 11 3 10 4 9 5 8 6 7 7 6 8 5 9 4 10 3 11 2 12 1
result:
ok n=12
Test #7:
score: 0
Accepted
time: 0ms
memory: 3716kb
input:
7
output:
14 1 14 2 13 3 12 4 11 5 10 6 9 7 8 8 7 9 6 10 5 11 4 12 3 13 2 14 1
result:
ok n=14
Test #8:
score: 0
Accepted
time: 0ms
memory: 3564kb
input:
8
output:
16 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 9 8 10 7 11 6 12 5 13 4 14 3 15 2 16 1
result:
ok n=16
Test #9:
score: 0
Accepted
time: 0ms
memory: 3688kb
input:
9
output:
18 1 18 2 17 3 16 4 15 5 14 6 13 7 12 8 11 9 10 10 9 11 8 12 7 13 6 14 5 15 4 16 3 17 2 18 1
result:
ok n=18
Test #10:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
10
output:
20 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 11 10 12 9 13 8 14 7 15 6 16 5 17 4 18 3 19 2 20 1
result:
ok n=20
Test #11:
score: 0
Accepted
time: 0ms
memory: 3572kb
input:
13
output:
26 1 26 2 25 3 24 4 23 5 22 6 21 7 20 8 19 9 18 10 17 11 16 12 15 13 14 14 13 15 12 16 11 17 10 18 9 19 8 20 7 21 6 22 5 23 4 24 3 25 2 26 1
result:
ok n=26
Test #12:
score: 0
Accepted
time: 0ms
memory: 3632kb
input:
17
output:
34 1 34 2 33 3 32 4 31 5 30 6 29 7 28 8 27 9 26 10 25 11 24 12 23 13 22 14 21 15 20 16 19 17 18 18 17 19 16 20 15 21 14 22 13 23 12 24 11 25 10 26 9 27 8 28 7 29 6 30 5 31 4 32 3 33 2 34 1
result:
ok n=34
Test #13:
score: 0
Accepted
time: 0ms
memory: 3648kb
input:
23
output:
46 1 46 2 45 3 44 4 43 5 42 6 41 7 40 8 39 9 38 10 37 11 36 12 35 13 34 14 33 15 32 16 31 17 30 18 29 19 28 20 27 21 26 22 25 23 24 24 23 25 22 26 21 27 20 28 19 29 18 30 17 31 16 32 15 33 14 34 13 35 12 36 11 37 10 38 9 39 8 40 7 41 6 42 5 43 4 44 3 45 2 46 1
result:
ok n=46
Test #14:
score: 0
Accepted
time: 0ms
memory: 3720kb
input:
29
output:
58 1 58 2 57 3 56 4 55 5 54 6 53 7 52 8 51 9 50 10 49 11 48 12 47 13 46 14 45 15 44 16 43 17 42 18 41 19 40 20 39 21 38 22 37 23 36 24 35 25 34 26 33 27 32 28 31 29 30 30 29 31 28 32 27 33 26 34 25 35 24 36 23 37 22 38 21 39 20 40 19 41 18 42 17 43 16 44 15 45 14 46 13 47 12 48 11 49 10 50 9 51 8 52...
result:
ok n=58
Test #15:
score: 0
Accepted
time: 0ms
memory: 3544kb
input:
31
output:
62 1 62 2 61 3 60 4 59 5 58 6 57 7 56 8 55 9 54 10 53 11 52 12 51 13 50 14 49 15 48 16 47 17 46 18 45 19 44 20 43 21 42 22 41 23 40 24 39 25 38 26 37 27 36 28 35 29 34 30 33 31 32 32 31 33 30 34 29 35 28 36 27 37 26 38 25 39 24 40 23 41 22 42 21 43 20 44 19 45 18 46 17 47 16 48 15 49 14 50 13 51 12 ...
result:
ok n=62
Test #16:
score: 0
Accepted
time: 0ms
memory: 3688kb
input:
37
output:
74 1 74 2 73 3 72 4 71 5 70 6 69 7 68 8 67 9 66 10 65 11 64 12 63 13 62 14 61 15 60 16 59 17 58 18 57 19 56 20 55 21 54 22 53 23 52 24 51 25 50 26 49 27 48 28 47 29 46 30 45 31 44 32 43 33 42 34 41 35 40 36 39 37 38 38 37 39 36 40 35 41 34 42 33 43 32 44 31 45 30 46 29 47 28 48 27 49 26 50 25 51 24 ...
result:
ok n=74
Test #17:
score: 0
Accepted
time: 0ms
memory: 3564kb
input:
41
output:
82 1 82 2 81 3 80 4 79 5 78 6 77 7 76 8 75 9 74 10 73 11 72 12 71 13 70 14 69 15 68 16 67 17 66 18 65 19 64 20 63 21 62 22 61 23 60 24 59 25 58 26 57 27 56 28 55 29 54 30 53 31 52 32 51 33 50 34 49 35 48 36 47 37 46 38 45 39 44 40 43 41 42 42 41 43 40 44 39 45 38 46 37 47 36 48 35 49 34 50 33 51 32 ...
result:
ok n=82
Test #18:
score: 0
Accepted
time: 0ms
memory: 3564kb
input:
43
output:
86 1 86 2 85 3 84 4 83 5 82 6 81 7 80 8 79 9 78 10 77 11 76 12 75 13 74 14 73 15 72 16 71 17 70 18 69 19 68 20 67 21 66 22 65 23 64 24 63 25 62 26 61 27 60 28 59 29 58 30 57 31 56 32 55 33 54 34 53 35 52 36 51 37 50 38 49 39 48 40 47 41 46 42 45 43 44 44 43 45 42 46 41 47 40 48 39 49 38 50 37 51 36 ...
result:
ok n=86
Test #19:
score: 0
Accepted
time: 0ms
memory: 3616kb
input:
100
output:
200 1 200 2 199 3 198 4 197 5 196 6 195 7 194 8 193 9 192 10 191 11 190 12 189 13 188 14 187 15 186 16 185 17 184 18 183 19 182 20 181 21 180 22 179 23 178 24 177 25 176 26 175 27 174 28 173 29 172 30 171 31 170 32 169 33 168 34 167 35 166 36 165 37 164 38 163 39 162 40 161 41 160 42 159 43 158 44 1...
result:
ok n=200
Test #20:
score: 0
Accepted
time: 0ms
memory: 3660kb
input:
85
output:
170 1 170 2 169 3 168 4 167 5 166 6 165 7 164 8 163 9 162 10 161 11 160 12 159 13 158 14 157 15 156 16 155 17 154 18 153 19 152 20 151 21 150 22 149 23 148 24 147 25 146 26 145 27 144 28 143 29 142 30 141 31 140 32 139 33 138 34 137 35 136 36 135 37 134 38 133 39 132 40 131 41 130 42 129 43 128 44 1...
result:
ok n=170
Test #21:
score: 0
Accepted
time: 0ms
memory: 3636kb
input:
97
output:
194 1 194 2 193 3 192 4 191 5 190 6 189 7 188 8 187 9 186 10 185 11 184 12 183 13 182 14 181 15 180 16 179 17 178 18 177 19 176 20 175 21 174 22 173 23 172 24 171 25 170 26 169 27 168 28 167 29 166 30 165 31 164 32 163 33 162 34 161 35 160 36 159 37 158 38 157 39 156 40 155 41 154 42 153 43 152 44 1...
result:
ok n=194
Test #22:
score: 0
Accepted
time: 0ms
memory: 3632kb
input:
98
output:
196 1 196 2 195 3 194 4 193 5 192 6 191 7 190 8 189 9 188 10 187 11 186 12 185 13 184 14 183 15 182 16 181 17 180 18 179 19 178 20 177 21 176 22 175 23 174 24 173 25 172 26 171 27 170 28 169 29 168 30 167 31 166 32 165 33 164 34 163 35 162 36 161 37 160 38 159 39 158 40 157 41 156 42 155 43 154 44 1...
result:
ok n=196
Test #23:
score: 0
Accepted
time: 0ms
memory: 3632kb
input:
99
output:
198 1 198 2 197 3 196 4 195 5 194 6 193 7 192 8 191 9 190 10 189 11 188 12 187 13 186 14 185 15 184 16 183 17 182 18 181 19 180 20 179 21 178 22 177 23 176 24 175 25 174 26 173 27 172 28 171 29 170 30 169 31 168 32 167 33 166 34 165 35 164 36 163 37 162 38 161 39 160 40 159 41 158 42 157 43 156 44 1...
result:
ok n=198
Extra Test:
score: 0
Extra Test Passed