제출 #1173025

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1173025		hewfhlwejfl	Lutrija (COCI19_lutrija)	C++20	컴파일 에러	0 ms	0 KiB

lutrija

#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define pll pair<long long, long long>
#define ppl pair<pll, long long>
#define ll long long
#define se second
#define fi first
#define pb push_back
ll T,n,nq,a[1001009],m,p,cyc,cmp,k,b[1001009],bn,r,res,y,vis1[4000009],vis[4000009],x,ma[400009],l;
bool prime(ll num)
{
    if(num<=1)return 1;
    for(ll i=2;i*i<=num;i++)
        if(num%i==0)return 0;
    return 1;
}

int main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    ll fl=0;
	cin>>l>>r;
	vector<ll>ve;
	if(abs(l-r)<=2)
    {
        cout<<2<<endl<<l<<" "<<r;
        return 0;
    }
    ve.pb(l);
	if(l>2)
    {
        if(prime(l-2))m=1;
        else if(prime(l+2))ve.pb(l),ve.pb(l+2);
        else fl=1;

    }
    ve.pb(2);
    if(r>2)
    {
        if(prime(r-2))m=1;
        else if(prime(r+2))ve.pb(r+2);
        else fl=1;
    }
    va.pb(r);
    if(fl)cout<<-1;
    else
    {
        cout<<ve.size()<<endl;
        for(auto x:ve)cout<<x<<" ";
    }
    //for(int i=1;i<=n;i++)cout<<a[i]<<endl;
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

lutrija.cpp: In function 'int main()':
lutrija.cpp:45:5: error: 'va' was not declared in this scope; did you mean 've'?
   45 |     va.pb(r);
      |     ^~
      |     ve