#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
#define F first
#define S second
#define FOR(i,a,b) for (auto i = (a); i <= (b); ++i)
#define NFOR(i,a,b) for(auto i = (a); i >= (b); --i)
#define all(x) (x).begin(), (x).end()
#define sz(x) int(x.size())
#define mp(i,a) make_pair(i,a)
#define pb(a) push_back(a)
#define bit(x,b) (x&(1LL<<b))
typedef int lli;
typedef pair <lli,lli> ii;
typedef pair <lli,ii> iii;
typedef vector <lli> vi;
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
bool check(lli a)
{
lli s=(sqrt(a));
for(int i=2;i<=s;++i)
if(a%i==0)
return(0);
return(1);
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int f=0;
int a,b,che=0;
cin>>a>>b;
if(a>b)
{
che=1;
swap(a,b);
}
vi v;
v.pb(a);
if(a==3)
{
v.pb(5);
a=5;
}
if(a%6==5)
{
if(check(a+2)==1)
v.pb(a+2);
else
{
cout<<"-1"<<endl;
exit(0);
}
a+=2;
}
if((a%6!=5&&a!=b)||a+2!=b)
{
if(a==2||check(a-2)==1)
{
if(a!=2)
v.pb(2);
if(check(b-2)==1)
f=1;
else if(check(b+2)==1)
{
v.pb(b+2);
f=1;
}
v.pb(b);
}
}
else
{
f=1;
}
if(f==1)
{
if(che==1)
reverse(all(v));
cout<<v.size()<<endl;
for(int i=0;i<v.size();++i)
cout<<v[i]<<' ';
cout<<endl;
}
else
cout<<"-1"<<endl;
return(0);
}
Compilation message
lutrija.cpp: In function 'int main()':
lutrija.cpp:83:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<v.size();++i)
~^~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
384 KB |
Integer parameter [name=arr[2]] equals to -2147483647, violates the range [1, 1000000000000000] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
384 KB |
Integer parameter [name=arr[2]] equals to -2147483647, violates the range [1, 1000000000000000] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
384 KB |
Integer parameter [name=arr[2]] equals to -2147483647, violates the range [1, 1000000000000000] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
384 KB |
Integer parameter [name=arr[2]] equals to -2147483647, violates the range [1, 1000000000000000] |
2 |
Halted |
0 ms |
0 KB |
- |