oj.uz

Submission #1088704

# Submission time Handle Problem Language Result Execution time Memory
1088704 2024-09-14T20:23:24 Z alexander707070 New Home (APIO18_new_home) C++14
47 / 100
 3308 ms 1023768 KB 
#include<bits/stdc++.h>
#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")

#define MAXN 3000007
using namespace std;

const int inf=1e9+7;

int n,k,q,x,t,l,r,ans[MAXN];

struct event{
    int x,type,tim,id;

    inline friend bool operator < (event fr,event sc){
        if(fr.tim!=sc.tim)return fr.tim<sc.tim;
        else return fr.type<sc.type;
    }
}s[MAXN];

multiset<int> stores[MAXN];

/*void solve(){

    tim++; ask.clear();
    for(event e:z){
        if((e.type==0 or e.type==2) and false){
            sp[e.id]=tim;
        }else if(e.type==1){
            ask.push_back(e);
        }
    }

    poss.clear(); st.clear(); ts.clear();
    for(int i=1;i<=k;i++){
        if(sp[i]==tim)poss.push_back(i);
        else{
            vector<int> w;
            for(int f:stores[i]){
                w.push_back(f);
            }

            if(w.empty()){
                st.push_back({0,inf});
                ts.push_back({inf,2*inf});
                break;
            }

            st.push_back({0,w[0]});
            for(int f=0;f<w.size()-1;f++){
                int pos=(w[f]+w[f+1])/2+(w[f]+w[f+1])%2;
                int val=(w[f+1]-w[f])/2;

                st.push_back({pos,pos+val});
                ts.push_back({pos-(w[f]+w[f+1])%2,val-(pos-(w[f]+w[f+1])%2)});
            }
            ts.push_back({inf,-w.back()});
        }
    }

    if(!st.empty()){
        sort(st.begin(),st.end());
        sort(ts.begin(),ts.end());
        sort(ask.begin(),ask.end(),cmp);

        int pt=0;
        while(!pq.empty())pq.pop();

        for(int i=0;i<ask.size();i++){
            while(pt<st.size() and st[pt].first<=ask[i].x){
                pq.push(st[pt].second);
                pt++;
            }

            ans[ask[i].id]=max(ans[ask[i].id],pq.top()-ask[i].x);
        }

        pt=ts.size()-1;
        while(!pq.empty())pq.pop();

        for(int i=ask.size()-1;i>=0;i--){
            while(pt>=0 and ts[pt].first>=ask[i].x){
                pq.push(ts[pt].second);
                pt--;
            }

            ans[ask[i].id]=max(ans[ask[i].id],pq.top()+ask[i].x);
        }
    }

    for(event e:z){
        if(e.type==0){
            stores[e.id].insert(e.x);
        }else if(e.type==2){
            stores[e.id].erase(stores[e.id].find(e.x));
        }else{
            for(int i:poss){
                ans[e.id]=max(ans[e.id],calc(e.x,i));
            }
        }
    }
}*/

struct node{
    int l,r;
    int val;
    int setid;
};

int num,pt,ft;
node tree[4*MAXN];
multiset<int> vals[MAXN];

void update(int v,int l,int r,int pos,int val,bool t){
    if(l==r){
        if(tree[v].setid==0){
            ft++; tree[v].setid=ft;
        }

        int id=tree[v].setid;

        if(t)vals[id].insert(val);
        else vals[id].erase(vals[id].find(val));

        if(!vals[id].empty())tree[v].val=*vals[id].rbegin();
        else tree[v].val=-inf;
    }else{
        int tt=(l+r)/2;

        if(tree[v].l==0){
            num++; tree[v].l=num;
            tree[num].val=-inf;
        }
        if(tree[v].r==0){
            num++; tree[v].r=num;
            tree[num].val=-inf;
        }

        if(pos<=tt)update(tree[v].l,l,tt,pos,val,t);
        else update(tree[v].r,tt+1,r,pos,val,t);

        tree[v].val=max(tree[tree[v].l].val,tree[tree[v].r].val);
    }
}

int getmax(int v,int l,int r,int ll,int rr){
    if(ll>rr or v==0)return -inf;

    if(l==ll and r==rr){
        return tree[v].val;
    }else{
        int tt=(l+r)/2;
        return max( getmax(tree[v].l,l,tt,ll,min(tt,rr)) , getmax(tree[v].r,tt+1,r,max(tt+1,ll),rr) );
    }
}

void addline(int pos,int val){
    update(1,0,inf,pos,val,true);
}

void remline(int pos,int val){
    update(1,0,inf,pos,val,false);
}

int up(int s){
    if(s>=0)return s/2+s%2;
    else return s/2;
}

int down(int s){
    if(s>=0)return s/2;
    else return s/2+s%2;
}

void add(int x,int type,bool dir){
    stores[type].insert(x);
    auto it=stores[type].find(x);

    it--;
    int lpos=*it;
    it++; it++;
    int rpos=*it;

    if(!dir){
        remline(up(lpos+rpos),(rpos-lpos)/2+up(lpos+rpos));
        addline(up(lpos+x),(x-lpos)/2+up(lpos+x));
        addline(up(x+rpos),(rpos-x)/2+up(x+rpos));
    }else{
        remline(down(lpos+rpos),(rpos-lpos)/2-down(lpos+rpos));
        addline(down(lpos+x),(x-lpos)/2-down(lpos+x));
        addline(down(x+rpos),(rpos-x)/2-down(x+rpos));
    }
}

void rem(int x,int type,bool dir){
    auto it=stores[type].find(x);

    it--;
    int lpos=*it;
    it++; it++;
    int rpos=*it;

    if(!dir){
        addline(up(lpos+rpos),(rpos-lpos)/2+up(lpos+rpos));
        remline(up(lpos+x),(x-lpos)/2+up(lpos+x));
        remline(up(x+rpos),(rpos-x)/2+up(x+rpos));
    }else{
        addline(down(lpos+rpos),(rpos-lpos)/2-down(lpos+rpos));
        remline(down(lpos+x),(x-lpos)/2-down(lpos+x));
        remline(down(x+rpos),(rpos-x)/2-down(x+rpos));
    }

    stores[type].erase(stores[type].find(x));
}

int maxs(int l,int r){
    return getmax(1,0,inf,l,r);
}

int main(){

    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    cin>>n>>k>>q;

    for(int i=1;i<=k;i++){
        stores[i].insert(0);
        stores[i].insert(inf);
    }

    for(int i=1;i<=n;i++){
        cin>>x>>t>>l>>r;
        x+=inf/2;

        pt++; s[pt]={x,0,l,t};
        pt++; s[pt]={x,2,r,t};
    }

    for(int i=1;i<=q;i++){
        cin>>x>>t;
        x+=inf/2;

        pt++; s[pt]={x,1,t,i};
    }

    sort(s+1,s+pt+1);

    num=1;
    for(int i=1;i<=k;i++)addline(up(0+inf),inf/2+up(0+inf));
    
    for(int i=1;i<=pt;i++){
        if(s[i].type==0){
            add(s[i].x,s[i].id,false);
        }else if(s[i].type==2){
            rem(s[i].x,s[i].id,false);
        }else{
            ans[s[i].id]=max(ans[s[i].id],maxs(0,s[i].x)-s[i].x);
        }
    }
    
    for(int i=1;i<=k;i++){
        remline(up(0+inf),inf/2+up(0+inf));
        addline(down(0+inf),inf/2-down(0+inf));
    }

    for(int i=1;i<=pt;i++){
        if(s[i].type==0){
            add(s[i].x,s[i].id,true);
        }else if(s[i].type==2){
            rem(s[i].x,s[i].id,true);
        }else{
            ans[s[i].id]=max(ans[s[i].id],maxs(s[i].x,inf)+s[i].x);
        }
    }

    for(int i=1;i<=q;i++){
        if(ans[i]>200000000)cout<<"-1\n";
        else cout<<ans[i]<<"\n";
    }

    return 0;
}

/*
4 2 4
3 1 1 10
9 2 2 4
7 2 5 7
4 1 8 10
5 3
5 6
5 9
1 10

*/

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 114 ms 282192 KB Output is correct
2 Correct 113 ms 282192 KB Output is correct
3 Correct 108 ms 282196 KB Output is correct
4 Correct 112 ms 282196 KB Output is correct
5 Correct 112 ms 282196 KB Output is correct
6 Correct 114 ms 282816 KB Output is correct
7 Correct 117 ms 282628 KB Output is correct
8 Correct 120 ms 282704 KB Output is correct
9 Correct 117 ms 282704 KB Output is correct
10 Correct 110 ms 282708 KB Output is correct
11 Correct 106 ms 282708 KB Output is correct
12 Correct 106 ms 282708 KB Output is correct
13 Correct 105 ms 282704 KB Output is correct
14 Correct 109 ms 282704 KB Output is correct
15 Correct 106 ms 282704 KB Output is correct
16 Correct 107 ms 282848 KB Output is correct
17 Correct 105 ms 282708 KB Output is correct
18 Correct 107 ms 282708 KB Output is correct
19 Correct 116 ms 282704 KB Output is correct
20 Correct 117 ms 282696 KB Output is correct
21 Correct 109 ms 282144 KB Output is correct
22 Correct 109 ms 282704 KB Output is correct
23 Correct 109 ms 282796 KB Output is correct
24 Correct 107 ms 282840 KB Output is correct
25 Correct 109 ms 282896 KB Output is correct
26 Correct 112 ms 282704 KB Output is correct
27 Correct 113 ms 282176 KB Output is correct
28 Correct 109 ms 282704 KB Output is correct
29 Correct 109 ms 282688 KB Output is correct
30 Correct 111 ms 282528 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 114 ms 282192 KB Output is correct
2 Correct 113 ms 282192 KB Output is correct
3 Correct 108 ms 282196 KB Output is correct
4 Correct 112 ms 282196 KB Output is correct
5 Correct 112 ms 282196 KB Output is correct
6 Correct 114 ms 282816 KB Output is correct
7 Correct 117 ms 282628 KB Output is correct
8 Correct 120 ms 282704 KB Output is correct
9 Correct 117 ms 282704 KB Output is correct
10 Correct 110 ms 282708 KB Output is correct
11 Correct 106 ms 282708 KB Output is correct
12 Correct 106 ms 282708 KB Output is correct
13 Correct 105 ms 282704 KB Output is correct
14 Correct 109 ms 282704 KB Output is correct
15 Correct 106 ms 282704 KB Output is correct
16 Correct 107 ms 282848 KB Output is correct
17 Correct 105 ms 282708 KB Output is correct
18 Correct 107 ms 282708 KB Output is correct
19 Correct 116 ms 282704 KB Output is correct
20 Correct 117 ms 282696 KB Output is correct
21 Correct 109 ms 282144 KB Output is correct
22 Correct 109 ms 282704 KB Output is correct
23 Correct 109 ms 282796 KB Output is correct
24 Correct 107 ms 282840 KB Output is correct
25 Correct 109 ms 282896 KB Output is correct
26 Correct 112 ms 282704 KB Output is correct
27 Correct 113 ms 282176 KB Output is correct
28 Correct 109 ms 282704 KB Output is correct
29 Correct 109 ms 282688 KB Output is correct
30 Correct 111 ms 282528 KB Output is correct
31 Correct 742 ms 344608 KB Output is correct
32 Correct 440 ms 287640 KB Output is correct
33 Correct 677 ms 339512 KB Output is correct
34 Correct 664 ms 340464 KB Output is correct
35 Correct 725 ms 344148 KB Output is correct
36 Correct 763 ms 343704 KB Output is correct
37 Correct 540 ms 337956 KB Output is correct
38 Correct 548 ms 337492 KB Output is correct
39 Correct 433 ms 338004 KB Output is correct
40 Correct 459 ms 337568 KB Output is correct
41 Correct 551 ms 345344 KB Output is correct
42 Correct 564 ms 345424 KB Output is correct
43 Correct 349 ms 291412 KB Output is correct
44 Correct 546 ms 345680 KB Output is correct
45 Correct 541 ms 345580 KB Output is correct
46 Correct 478 ms 345428 KB Output is correct
47 Correct 365 ms 340052 KB Output is correct
48 Correct 370 ms 340780 KB Output is correct
49 Correct 390 ms 343152 KB Output is correct
50 Correct 444 ms 343120 KB Output is correct
51 Correct 390 ms 343376 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 3308 ms 1019188 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Runtime error 2625 ms 1023768 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 114 ms 282192 KB Output is correct
2 Correct 113 ms 282192 KB Output is correct
3 Correct 108 ms 282196 KB Output is correct
4 Correct 112 ms 282196 KB Output is correct
5 Correct 112 ms 282196 KB Output is correct
6 Correct 114 ms 282816 KB Output is correct
7 Correct 117 ms 282628 KB Output is correct
8 Correct 120 ms 282704 KB Output is correct
9 Correct 117 ms 282704 KB Output is correct
10 Correct 110 ms 282708 KB Output is correct
11 Correct 106 ms 282708 KB Output is correct
12 Correct 106 ms 282708 KB Output is correct
13 Correct 105 ms 282704 KB Output is correct
14 Correct 109 ms 282704 KB Output is correct
15 Correct 106 ms 282704 KB Output is correct
16 Correct 107 ms 282848 KB Output is correct
17 Correct 105 ms 282708 KB Output is correct
18 Correct 107 ms 282708 KB Output is correct
19 Correct 116 ms 282704 KB Output is correct
20 Correct 117 ms 282696 KB Output is correct
21 Correct 109 ms 282144 KB Output is correct
22 Correct 109 ms 282704 KB Output is correct
23 Correct 109 ms 282796 KB Output is correct
24 Correct 107 ms 282840 KB Output is correct
25 Correct 109 ms 282896 KB Output is correct
26 Correct 112 ms 282704 KB Output is correct
27 Correct 113 ms 282176 KB Output is correct
28 Correct 109 ms 282704 KB Output is correct
29 Correct 109 ms 282688 KB Output is correct
30 Correct 111 ms 282528 KB Output is correct
31 Correct 742 ms 344608 KB Output is correct
32 Correct 440 ms 287640 KB Output is correct
33 Correct 677 ms 339512 KB Output is correct
34 Correct 664 ms 340464 KB Output is correct
35 Correct 725 ms 344148 KB Output is correct
36 Correct 763 ms 343704 KB Output is correct
37 Correct 540 ms 337956 KB Output is correct
38 Correct 548 ms 337492 KB Output is correct
39 Correct 433 ms 338004 KB Output is correct
40 Correct 459 ms 337568 KB Output is correct
41 Correct 551 ms 345344 KB Output is correct
42 Correct 564 ms 345424 KB Output is correct
43 Correct 349 ms 291412 KB Output is correct
44 Correct 546 ms 345680 KB Output is correct
45 Correct 541 ms 345580 KB Output is correct
46 Correct 478 ms 345428 KB Output is correct
47 Correct 365 ms 340052 KB Output is correct
48 Correct 370 ms 340780 KB Output is correct
49 Correct 390 ms 343152 KB Output is correct
50 Correct 444 ms 343120 KB Output is correct
51 Correct 390 ms 343376 KB Output is correct
52 Correct 697 ms 341328 KB Output is correct
53 Correct 609 ms 337744 KB Output is correct
54 Correct 698 ms 346756 KB Output is correct
55 Correct 568 ms 346700 KB Output is correct
56 Correct 568 ms 344864 KB Output is correct
57 Correct 537 ms 347984 KB Output is correct
58 Correct 553 ms 346448 KB Output is correct
59 Correct 573 ms 344916 KB Output is correct
60 Correct 563 ms 347988 KB Output is correct
61 Correct 440 ms 302288 KB Output is correct
62 Correct 654 ms 341772 KB Output is correct
63 Correct 769 ms 347732 KB Output is correct
64 Correct 714 ms 348756 KB Output is correct
65 Correct 642 ms 348656 KB Output is correct
66 Correct 551 ms 348496 KB Output is correct
67 Correct 426 ms 288848 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 114 ms 282192 KB Output is correct
2 Correct 113 ms 282192 KB Output is correct
3 Correct 108 ms 282196 KB Output is correct
4 Correct 112 ms 282196 KB Output is correct
5 Correct 112 ms 282196 KB Output is correct
6 Correct 114 ms 282816 KB Output is correct
7 Correct 117 ms 282628 KB Output is correct
8 Correct 120 ms 282704 KB Output is correct
9 Correct 117 ms 282704 KB Output is correct
10 Correct 110 ms 282708 KB Output is correct
11 Correct 106 ms 282708 KB Output is correct
12 Correct 106 ms 282708 KB Output is correct
13 Correct 105 ms 282704 KB Output is correct
14 Correct 109 ms 282704 KB Output is correct
15 Correct 106 ms 282704 KB Output is correct
16 Correct 107 ms 282848 KB Output is correct
17 Correct 105 ms 282708 KB Output is correct
18 Correct 107 ms 282708 KB Output is correct
19 Correct 116 ms 282704 KB Output is correct
20 Correct 117 ms 282696 KB Output is correct
21 Correct 109 ms 282144 KB Output is correct
22 Correct 109 ms 282704 KB Output is correct
23 Correct 109 ms 282796 KB Output is correct
24 Correct 107 ms 282840 KB Output is correct
25 Correct 109 ms 282896 KB Output is correct
26 Correct 112 ms 282704 KB Output is correct
27 Correct 113 ms 282176 KB Output is correct
28 Correct 109 ms 282704 KB Output is correct
29 Correct 109 ms 282688 KB Output is correct
30 Correct 111 ms 282528 KB Output is correct
31 Correct 742 ms 344608 KB Output is correct
32 Correct 440 ms 287640 KB Output is correct
33 Correct 677 ms 339512 KB Output is correct
34 Correct 664 ms 340464 KB Output is correct
35 Correct 725 ms 344148 KB Output is correct
36 Correct 763 ms 343704 KB Output is correct
37 Correct 540 ms 337956 KB Output is correct
38 Correct 548 ms 337492 KB Output is correct
39 Correct 433 ms 338004 KB Output is correct
40 Correct 459 ms 337568 KB Output is correct
41 Correct 551 ms 345344 KB Output is correct
42 Correct 564 ms 345424 KB Output is correct
43 Correct 349 ms 291412 KB Output is correct
44 Correct 546 ms 345680 KB Output is correct
45 Correct 541 ms 345580 KB Output is correct
46 Correct 478 ms 345428 KB Output is correct
47 Correct 365 ms 340052 KB Output is correct
48 Correct 370 ms 340780 KB Output is correct
49 Correct 390 ms 343152 KB Output is correct
50 Correct 444 ms 343120 KB Output is correct
51 Correct 390 ms 343376 KB Output is correct
52 Runtime error 3308 ms 1019188 KB Execution killed with signal 11
53 Halted 0 ms 0 KB -