代码康复训练 2024.6.7
无所谓,随便贪。
直接取前 \(x\) 大的红苹果,前 \(y\) 大的绿苹果和和所有无色苹果合起来取最大的 \(x + y\) 个苹果的值加起来即可。
容易证明一定合法。
代码:
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/*
Tips:
你数组开小了吗?
你MLE了吗?
你觉得是贪心,是不是该想想dp?
一个小时没调出来,是不是该考虑换题?
打 cf 不要用 umap!!!
记住,rating 是身外之物。
该冲正解时冲正解!
Problem:
算法:
思路:
*/
#include<bits/stdc++.h>
using namespace std;
//#define map unordered_map
#define forl(i,a,b) for(register long long i=a;i<=b;i++)
#define forr(i,a,b) for(register long long i=a;i>=b;i--)
#define forll(i,a,b,c) for(register long long i=a;i<=b;i+=c)
#define forrr(i,a,b,c) for(register long long i=a;i>=b;i-=c)
#define lc(x) x<<1
#define rc(x) x<<1|1
#define mid ((l+r)>>1)
#define cin(x) scanf("%lld",&x)
#define cout(x) printf("%lld",x)
#define lowbit(x) (x&-x)
#define pb push_back
#define pf push_front
#define IOS ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#define endl '\n'
#define QwQ return 0;
#define ll long long
#define ull unsigned long long
#define lcm(x,y) x/__gcd(x,y)*y
#define Sum(x,y) 1ll*(x+y)*(y-x+1)/2
#define aty cout<<"Yes\n";
#define atn cout<<"No\n";
#define cfy cout<<"YES\n";
#define cfn cout<<"NO\n";
#define xxy cout<<"yes\n";
#define xxn cout<<"no\n";
#define printcf(x) x?cout<<"YES\n":cout<<"NO\n";
#define printat(x) x?cout<<"Yes\n":cout<<"No\n";
#define printxx(x) x?cout<<"yes\n":cout<<"no\n";
ll t;
ll need1,need2,n,m,k,a[100010],b[100010],c[100010],d[300010];
ll ans,K;
bool cmp(ll x,ll y){
return x>y;
}
void solve()
{
cin>>need1>>need2>>n>>m>>k;
forl(i,1,n)
cin>>a[i];
forl(i,1,m)
cin>>b[i];
forl(i,1,k)
cin>>c[i];
sort(a+1,a+1+n,cmp);
sort(b+1,b+1+m,cmp);
forl(i,1,need1)
d[++K]=a[i];
forl(i,1,need2)
d[++K]=b[i];
forl(i,1,k)
d[++K]=c[i];
sort(d+1,d+1+K,cmp);
forl(i,1,need1+need2)
ans+=d[i];
cout<<ans<<endl;
}
int main()
{
IOS;
t=1;
// cin>>t;
while(t--)
solve();
/******************/
/*while(L<q[i].l) */
/* del(a[L++]);*/
/*while(L>q[i].l) */
/* add(a[--L]);*/
/*while(R<q[i].r) */
/* add(a[++R]);*/
/*while(R>q[i].r) */
/* del(a[R--]);*/
/******************/
QwQ;
}