#include <bits/stdc++.h>
using namespace std;
vector<long long> ans;
bool isprime(long long x)
{
if(x==1)
{
return false;
}
for(int i=2;i<=sqrt(x);i++)
{
if(x%i==0)
{
return false;
}
}
return true;
}
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
long long a,b;
cin >> a >> b;
if(a==2)
{
ans = {2};
}
else
{
if(isprime(a-2))
{
ans = {a,2};
}
else if(isprime(a+2))
{
ans = {a,a+2,2};
}
else
{
cout << -1 << endl;
return 0;
}
}
if(b!=2)
{
if(isprime(b-2))
{
ans.push_back(b);
}
else if(isprime(b+2))
{
ans.push_back(b+2);
ans.push_back(b);
}
else
{
cout << -1 << endl;
return 0;
}
}
cout << ans.size() << endl;
for(int i : ans)
{
cout << i << " ";
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
320 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
324 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
320 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
320 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
316 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
131 ms |
212 KB |
Integer parameter [name=arr[4]] equals to -2039078211, violates the range [1, 1000000000000000] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
127 ms |
300 KB |
Integer parameter [name=arr[1]] equals to -2145466189, violates the range [1, 1000000000000000] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
140 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
103 ms |
212 KB |
Integer parameter [name=arr[4]] equals to -2070243847, violates the range [1, 1000000000000000] |
2 |
Halted |
0 ms |
0 KB |
- |