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Guaba and Computational Geometry

2022-04-23 06:21:00 【Bzdhxs_ nt】

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int a[300005],b[300005],c[300005],d[300005],w[300005];
int n;
struct node{
    
    int l,r,w;
    bool operator<(const node&t)const{
    
        return l < t.l;
    }
}nod[300005];

int ans = -1;
int mx[300005];
void work(){
    
    sort(nod+1,nod+1+n);
    mem(mx,0);
    for(int i = n;i;i--) mx[i] = max(mx[n+1],nod[i].w);
    forr(i,1,n){
    
        int p = upper_bound(nod+1,nod+1+n,node{
    nod[i].r,-1,-1}) - nod;
        if(p != n+1) ans = max(ans,nod[i].w + mx[p]);
    }

}

void solve(){
    
    ans = -1;
    cin>>n;
    forr(i,1,n) cin>>a[i]>>b[i]>>c[i]>>d[i];
    forr(i,1,n) cin>>w[i];

    forr(i,1,n){
    
        nod[i] = {
    a[i],c[i],w[i]};
    }

    work();
    forr(i,1,n) nod[i] = {
    b[i],d[i],w[i]};
    work();
    cout << ans << endl;
}

signed main()
{
    
    int t;cin>>t;
    while(t--) solve();
    return 0;
}

版权声明
本文为[Bzdhxs_ nt]所创，转载请带上原文链接，感谢
https://yzsam.com/2022/04/202204210617219320.html

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