oj.uz

Submission #493613

# Submission time Handle Problem Language Result Execution time Memory
493613 2021-12-12T11:38:36 Z inksamurai Lutrija (COCI19_lutrija) C++17
0 / 70
 2000 ms 524292 KB 
#include <bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(),a.end()
#define rep(i,n) for(int i=0;i<n;i++)
#define crep(i,x,n) for(int i=x;i<n;i++)
#define drep(i,n) for(int i=n-1;i>=0;i--)
#define vec(...) vector<__VA_ARGS__>
#define _3dDwnkq ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0)
using namespace std;
typedef long long ll;
typedef long double ld;
using pii=pair<int,int>;
using vi=vector<int>;

bool prime(ll c){
	if(c==2) return true;
	for(ll j=2;j<=sqrt(c);j++){
		if(c%j==0){
			return false;
		}
	}
	return true;
}

vec(ll) pans,now;
std::map<vec(ll),int> mp;

void f(ll a,ll b){
	if(mp.find(now)!=mp.end()) return;
	mp[now]=1;
	now.pb(a);
	if(a==b){
		pans=now;
		return;
	}
	if(prime(a+2)){
		f(a+2,b);
	}
	if(a-2>0 and prime(a-2)){
		f(a-2,b);
	}
	now.pop_back();
}

int main(){
_3dDwnkq;
	ll a,b;
	cin>>a>>b;
	if(prime(a+b)){
		cout<<"3\n";
		cout<<a<<" "<<a+b<<" "<<b<<"\b";
		exit(0);
	}
	if(prime(abs(a-b))){
		cout<<"2\n";
		cout<<a<<" "<<b<<"\n";
		exit(0);
	}
	f(a,b);
	if(sz(pans)){
		cout<<sz(pans)<<"\n";
		for(auto x : pans){
			cout<<x<<" ";
		}
		cout<<"\n";
	}else{
		cout<<"-1\n";
	}
//	
	return 0;
}

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Runtime error 1608 ms 524292 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 252 KB Expected integer, but "71" found
2 Halted 0 ms 0 KB -

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2097 ms 510132 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 7.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2066 ms 524292 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 7.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2115 ms 507204 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 7.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2112 ms 505544 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 7.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2079 ms 420 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 7.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2059 ms 416 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 7.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2080 ms 300 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #10
0 / 7.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2083 ms 308 KB Time limit exceeded
2 Halted 0 ms 0 KB -