QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #321843 | #8215. Isomorphic Delight | yyyyxh | WA | 0ms | 1644kb | C++23 | 462b | 2024-02-05 17:51:47 | 2024-02-05 17:51:47 |
Judging History
answer
#include <cstdio>
using namespace std;
int n;
int main(){
scanf("%d",&n);
if(n==1){
puts("YES");
puts("0");
return 0;
}
if(n==6){
puts("YES");
puts("6");
puts("1 2");
puts("2 3");
puts("1 3");
puts("3 4");
puts("2 5");
puts("5 6");
return 0;
}
if(n>6){
puts("YES");
printf("%d\n",n-1);
for(int i=2;i<n;++i) printf("%d %d\n",i-1,i);
printf("3 %d\n",n);
return 0;
}
puts("NO");
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 1408kb
input:
1
output:
YES 0
result:
ok Everything ok
Test #2:
score: 0
Accepted
time: 0ms
memory: 1476kb
input:
6
output:
YES 6 1 2 2 3 1 3 3 4 2 5 5 6
result:
ok Everything ok
Test #3:
score: 0
Accepted
time: 0ms
memory: 1388kb
input:
4
output:
NO
result:
ok Everything ok
Test #4:
score: 0
Accepted
time: 0ms
memory: 1472kb
input:
2
output:
NO
result:
ok Everything ok
Test #5:
score: 0
Accepted
time: 0ms
memory: 1468kb
input:
3
output:
NO
result:
ok Everything ok
Test #6:
score: 0
Accepted
time: 0ms
memory: 1508kb
input:
5
output:
NO
result:
ok Everything ok
Test #7:
score: 0
Accepted
time: 0ms
memory: 1644kb
input:
7
output:
YES 6 1 2 2 3 3 4 4 5 5 6 3 7
result:
ok Everything ok
Test #8:
score: -100
Wrong Answer
time: 0ms
memory: 1612kb
input:
8
output:
YES 7 1 2 2 3 3 4 4 5 5 6 6 7 3 8
result:
wrong answer contestant's solution is worse (more edges) than jury's