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Submission #1112553

# Submission time Handle Problem Language Result Execution time Memory
1112553 2024-11-14T10:16:33 Z Pioneer New Home (APIO18_new_home) C++17
57 / 100
 5000 ms 714848 KB 
#include <bits/stdc++.h>

#pragma GCC optimize("Ofast")
#pragma GCC target("avx2")

#define ll long long
// #define int ll
#define all(v) v.begin(),v.end()
#define sz(s) ((int)s.size())
#define pb push_back
#define F first
#define S second
#define pii pair<int,int>
#define ppb pop_back
#define lb lower_bound
#define ub upper_bound

using namespace std;

const int inf=1e8;
const int MAX=3e5+10;
const int mod=1e9+7;

int binpow(int a,int n){
    if(!n)return 1;
    if(n%2==1)return a*binpow(a,n-1)%mod;
    int k=binpow(a,n/2);
    return k*k%mod;
}

int n,k,q,m;
int a[MAX],b[MAX],x[MAX],t[MAX];
int l[MAX],y[MAX];
vector<int> events[MAX+MAX],zap[MAX+MAX];
multiset<int> st[MAX];
vector<int> tim,pos;

struct segtree{
    multiset<int> t[4*8*MAX];
    int mx[4*8*MAX],L[4*8*MAX],R[4*8*MAX];
    int cnt=1;

    segtree(){
        memset(L,0,sizeof(L));
        memset(R,0,sizeof(R));
        memset(mx,-1,sizeof(mx));
    }

    void add(int v,int tl,int tr,int pos,int x){
        if(tl==tr){
            t[v].insert(x);
            mx[v]=*t[v].rbegin();
            return;
        }
        int tm=(tl+tr)/2;
        if(pos<=tm){
            if(!L[v])L[v]=++cnt;
            add(L[v],tl,tm,pos,x);
        }
        else{
            if(!R[v])R[v]=++cnt;
            add(R[v],tm+1,tr,pos,x);
        }
        mx[v]=max(mx[L[v]],mx[R[v]]);
    }

    void del(int v,int tl,int tr,int pos,int x){
        if(tl==tr){
            t[v].erase(t[v].find(x));
            if(t[v].empty())mx[v]=-1;
            else mx[v]=*t[v].rbegin();
            return;
        }
        int tm=(tl+tr)/2;
        if(pos<=tm){
            del(L[v],tl,tm,pos,x);
        }
        else{
            del(R[v],tm+1,tr,pos,x);
        }
        mx[v]=max(mx[L[v]],mx[R[v]]);
    }

    int get(int v,int tl,int tr,int l,int r){
        if(l>r||tl>r||l>tr)return 0;
        if(l<=tl&&tr<=r)return mx[v];
        int tm=(tl+tr)/2;
        int res=0;
        if(L[v])res=max(res,get(L[v],tl,tm,l,r));
        if(R[v])res=max(res,get(R[v],tm+1,tr,l,r));
        return res;
    }
}tree;

int L[MAX],R[MAX];
int cnt[MAX],col;

int getx(int x){
    return lb(all(pos),x)-pos.begin();
}

void add(int id){
    if(cnt[t[id]]==0)col++;
    cnt[t[id]]++;
    if(st[t[id]].count(x[id]))st[t[id]].insert(x[id]);
    else{
        auto l=--st[t[id]].lb(x[id]);
        auto r=st[t[id]].lb(x[id]);
        int LL=getx(*l+1);
        if(!(*l==-1&&*r==inf+1))tree.del(1,0,m-1,LL,*r-1);
        tree.add(1,0,m-1,LL,x[id]-1);
        tree.add(1,0,m-1,getx(x[id]+1),*r-1);
        st[t[id]].insert(x[id]);
    }
}

void del(int id){
    id=-id;
    cnt[t[id]]--;
    if(cnt[t[id]]==0)col--;
    st[t[id]].erase(st[t[id]].find(x[id]));
    if(!st[t[id]].count(x[id])){
        auto l=--st[t[id]].lb(x[id]);
        auto r=st[t[id]].lb(x[id]);
        int LL=getx(*l+1);
        tree.del(1,0,m-1,LL,x[id]-1);
        tree.del(1,0,m-1,getx(x[id]+1),*r-1);
        if(!(*l==-1&&*r==inf+1))tree.add(1,0,m-1,LL,*r-1);
    }
}

bool check(int l,int r){
    l=max(l,0);
    r=min(r,inf);
    l=ub(all(pos),l)-pos.begin()-1;
    if(tree.get(1,0,m-1,0,l)>=r)return 0;
    return 1;
}

int ans[MAX];

void solve(){
    cin>>n>>k>>q;
    pos.pb(0),pos.pb(inf);
    for(int i=1;i<=n;i++){
        cin>>x[i]>>t[i]>>a[i]>>b[i];
        tim.pb(a[i]);
        tim.pb(b[i]+1);
        pos.pb(x[i]+1);
        pos.pb(x[i]-1);
    }
    for(int i=1;i<=q;i++){
        cin>>l[i]>>y[i];
        tim.pb(y[i]);
    }
    sort(all(tim));
    tim.erase(unique(all(tim)),tim.end());
    sort(all(pos));
    pos.erase(unique(all(pos)),pos.end());
    for(int i=1;i<=n;i++){
        a[i]=lb(all(tim),a[i])-tim.begin();
        b[i]=lb(all(tim),b[i]+1)-tim.begin();
        events[a[i]].pb(i);
        events[b[i]].pb(-i);
    }
    for(int i=1;i<=q;i++){
        y[i]=lb(all(tim),y[i])-tim.begin();
        zap[y[i]].pb(i);
    }
    for(int i=1;i<=k;i++){
        st[i].insert(-1);
        st[i].insert(inf+1);
    }
    m=sz(pos);
    for(int i=0;i<sz(tim);i++){
        for(auto id:events[i]){
            if(id>0){
                add(id);
            }
            else{
                del(id);
            }
        }
        for(int id:zap[i]){
            if(col!=k){
                ans[id]=-1;
            }
            else{
                int L=0,R=inf,res=inf;
                while(L<=R){
                    int mid=(L+R)/2;
                    if(check(l[id]-mid,l[id]+mid)){
                        R=mid-1,res=mid;
                    }
                    else L=mid+1;
                }
                ans[id]=res;
            }
        }
    }
    for(int i=1;i<=q;i++)cout<<ans[i]<<"\n";
}

signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int t=1;
    // cin>>t;
    while(t--)solve();
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 333 ms 607816 KB Output is correct
2 Correct 331 ms 607732 KB Output is correct
3 Correct 387 ms 607720 KB Output is correct
4 Correct 341 ms 607740 KB Output is correct
5 Correct 352 ms 607816 KB Output is correct
6 Correct 349 ms 607884 KB Output is correct
7 Correct 346 ms 607816 KB Output is correct
8 Correct 368 ms 607824 KB Output is correct
9 Correct 364 ms 607816 KB Output is correct
10 Correct 365 ms 608072 KB Output is correct
11 Correct 362 ms 607860 KB Output is correct
12 Correct 351 ms 607820 KB Output is correct
13 Correct 318 ms 607724 KB Output is correct
14 Correct 335 ms 607816 KB Output is correct
15 Correct 329 ms 607736 KB Output is correct
16 Correct 311 ms 607896 KB Output is correct
17 Correct 314 ms 607816 KB Output is correct
18 Correct 315 ms 607816 KB Output is correct
19 Correct 320 ms 607852 KB Output is correct
20 Correct 353 ms 607824 KB Output is correct
21 Correct 353 ms 607816 KB Output is correct
22 Correct 369 ms 607816 KB Output is correct
23 Correct 391 ms 608072 KB Output is correct
24 Correct 364 ms 607756 KB Output is correct
25 Correct 361 ms 607868 KB Output is correct
26 Correct 368 ms 607816 KB Output is correct
27 Correct 359 ms 607716 KB Output is correct
28 Correct 343 ms 607888 KB Output is correct
29 Correct 348 ms 607748 KB Output is correct
30 Correct 386 ms 607944 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 333 ms 607816 KB Output is correct
2 Correct 331 ms 607732 KB Output is correct
3 Correct 387 ms 607720 KB Output is correct
4 Correct 341 ms 607740 KB Output is correct
5 Correct 352 ms 607816 KB Output is correct
6 Correct 349 ms 607884 KB Output is correct
7 Correct 346 ms 607816 KB Output is correct
8 Correct 368 ms 607824 KB Output is correct
9 Correct 364 ms 607816 KB Output is correct
10 Correct 365 ms 608072 KB Output is correct
11 Correct 362 ms 607860 KB Output is correct
12 Correct 351 ms 607820 KB Output is correct
13 Correct 318 ms 607724 KB Output is correct
14 Correct 335 ms 607816 KB Output is correct
15 Correct 329 ms 607736 KB Output is correct
16 Correct 311 ms 607896 KB Output is correct
17 Correct 314 ms 607816 KB Output is correct
18 Correct 315 ms 607816 KB Output is correct
19 Correct 320 ms 607852 KB Output is correct
20 Correct 353 ms 607824 KB Output is correct
21 Correct 353 ms 607816 KB Output is correct
22 Correct 369 ms 607816 KB Output is correct
23 Correct 391 ms 608072 KB Output is correct
24 Correct 364 ms 607756 KB Output is correct
25 Correct 361 ms 607868 KB Output is correct
26 Correct 368 ms 607816 KB Output is correct
27 Correct 359 ms 607716 KB Output is correct
28 Correct 343 ms 607888 KB Output is correct
29 Correct 348 ms 607748 KB Output is correct
30 Correct 386 ms 607944 KB Output is correct
31 Correct 985 ms 622260 KB Output is correct
32 Correct 715 ms 612492 KB Output is correct
33 Correct 922 ms 620268 KB Output is correct
34 Correct 833 ms 618476 KB Output is correct
35 Correct 958 ms 623736 KB Output is correct
36 Correct 1034 ms 621880 KB Output is correct
37 Correct 893 ms 616948 KB Output is correct
38 Correct 908 ms 618476 KB Output is correct
39 Correct 774 ms 616376 KB Output is correct
40 Correct 774 ms 616376 KB Output is correct
41 Correct 798 ms 618680 KB Output is correct
42 Correct 679 ms 616404 KB Output is correct
43 Correct 447 ms 615352 KB Output is correct
44 Correct 802 ms 618236 KB Output is correct
45 Correct 703 ms 617728 KB Output is correct
46 Correct 747 ms 616632 KB Output is correct
47 Correct 585 ms 616588 KB Output is correct
48 Correct 639 ms 615960 KB Output is correct
49 Correct 651 ms 616120 KB Output is correct
50 Correct 611 ms 617332 KB Output is correct
51 Correct 726 ms 616192 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3342 ms 681320 KB Output is correct
2 Correct 4768 ms 668324 KB Output is correct
3 Correct 3306 ms 712392 KB Output is correct
4 Correct 3316 ms 678656 KB Output is correct
5 Correct 4637 ms 662664 KB Output is correct
6 Correct 4582 ms 669352 KB Output is correct
7 Correct 3012 ms 714848 KB Output is correct
8 Correct 3095 ms 678740 KB Output is correct
9 Correct 2829 ms 668704 KB Output is correct
10 Correct 4112 ms 663752 KB Output is correct
11 Correct 2723 ms 668820 KB Output is correct
12 Correct 2795 ms 663584 KB Output is correct

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 4396 ms 678576 KB Output is correct
2 Execution timed out 5082 ms 635660 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 333 ms 607816 KB Output is correct
2 Correct 331 ms 607732 KB Output is correct
3 Correct 387 ms 607720 KB Output is correct
4 Correct 341 ms 607740 KB Output is correct
5 Correct 352 ms 607816 KB Output is correct
6 Correct 349 ms 607884 KB Output is correct
7 Correct 346 ms 607816 KB Output is correct
8 Correct 368 ms 607824 KB Output is correct
9 Correct 364 ms 607816 KB Output is correct
10 Correct 365 ms 608072 KB Output is correct
11 Correct 362 ms 607860 KB Output is correct
12 Correct 351 ms 607820 KB Output is correct
13 Correct 318 ms 607724 KB Output is correct
14 Correct 335 ms 607816 KB Output is correct
15 Correct 329 ms 607736 KB Output is correct
16 Correct 311 ms 607896 KB Output is correct
17 Correct 314 ms 607816 KB Output is correct
18 Correct 315 ms 607816 KB Output is correct
19 Correct 320 ms 607852 KB Output is correct
20 Correct 353 ms 607824 KB Output is correct
21 Correct 353 ms 607816 KB Output is correct
22 Correct 369 ms 607816 KB Output is correct
23 Correct 391 ms 608072 KB Output is correct
24 Correct 364 ms 607756 KB Output is correct
25 Correct 361 ms 607868 KB Output is correct
26 Correct 368 ms 607816 KB Output is correct
27 Correct 359 ms 607716 KB Output is correct
28 Correct 343 ms 607888 KB Output is correct
29 Correct 348 ms 607748 KB Output is correct
30 Correct 386 ms 607944 KB Output is correct
31 Correct 985 ms 622260 KB Output is correct
32 Correct 715 ms 612492 KB Output is correct
33 Correct 922 ms 620268 KB Output is correct
34 Correct 833 ms 618476 KB Output is correct
35 Correct 958 ms 623736 KB Output is correct
36 Correct 1034 ms 621880 KB Output is correct
37 Correct 893 ms 616948 KB Output is correct
38 Correct 908 ms 618476 KB Output is correct
39 Correct 774 ms 616376 KB Output is correct
40 Correct 774 ms 616376 KB Output is correct
41 Correct 798 ms 618680 KB Output is correct
42 Correct 679 ms 616404 KB Output is correct
43 Correct 447 ms 615352 KB Output is correct
44 Correct 802 ms 618236 KB Output is correct
45 Correct 703 ms 617728 KB Output is correct
46 Correct 747 ms 616632 KB Output is correct
47 Correct 585 ms 616588 KB Output is correct
48 Correct 639 ms 615960 KB Output is correct
49 Correct 651 ms 616120 KB Output is correct
50 Correct 611 ms 617332 KB Output is correct
51 Correct 726 ms 616192 KB Output is correct
52 Correct 627 ms 630960 KB Output is correct
53 Correct 620 ms 627548 KB Output is correct
54 Correct 629 ms 626516 KB Output is correct
55 Correct 774 ms 621684 KB Output is correct
56 Correct 766 ms 623636 KB Output is correct
57 Correct 782 ms 617912 KB Output is correct
58 Correct 749 ms 621128 KB Output is correct
59 Correct 678 ms 623472 KB Output is correct
60 Correct 671 ms 617912 KB Output is correct
61 Correct 401 ms 625916 KB Output is correct
62 Correct 662 ms 630712 KB Output is correct
63 Correct 677 ms 625336 KB Output is correct
64 Correct 730 ms 623000 KB Output is correct
65 Correct 731 ms 618584 KB Output is correct
66 Correct 786 ms 616756 KB Output is correct
67 Correct 475 ms 613728 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 333 ms 607816 KB Output is correct
2 Correct 331 ms 607732 KB Output is correct
3 Correct 387 ms 607720 KB Output is correct
4 Correct 341 ms 607740 KB Output is correct
5 Correct 352 ms 607816 KB Output is correct
6 Correct 349 ms 607884 KB Output is correct
7 Correct 346 ms 607816 KB Output is correct
8 Correct 368 ms 607824 KB Output is correct
9 Correct 364 ms 607816 KB Output is correct
10 Correct 365 ms 608072 KB Output is correct
11 Correct 362 ms 607860 KB Output is correct
12 Correct 351 ms 607820 KB Output is correct
13 Correct 318 ms 607724 KB Output is correct
14 Correct 335 ms 607816 KB Output is correct
15 Correct 329 ms 607736 KB Output is correct
16 Correct 311 ms 607896 KB Output is correct
17 Correct 314 ms 607816 KB Output is correct
18 Correct 315 ms 607816 KB Output is correct
19 Correct 320 ms 607852 KB Output is correct
20 Correct 353 ms 607824 KB Output is correct
21 Correct 353 ms 607816 KB Output is correct
22 Correct 369 ms 607816 KB Output is correct
23 Correct 391 ms 608072 KB Output is correct
24 Correct 364 ms 607756 KB Output is correct
25 Correct 361 ms 607868 KB Output is correct
26 Correct 368 ms 607816 KB Output is correct
27 Correct 359 ms 607716 KB Output is correct
28 Correct 343 ms 607888 KB Output is correct
29 Correct 348 ms 607748 KB Output is correct
30 Correct 386 ms 607944 KB Output is correct
31 Correct 985 ms 622260 KB Output is correct
32 Correct 715 ms 612492 KB Output is correct
33 Correct 922 ms 620268 KB Output is correct
34 Correct 833 ms 618476 KB Output is correct
35 Correct 958 ms 623736 KB Output is correct
36 Correct 1034 ms 621880 KB Output is correct
37 Correct 893 ms 616948 KB Output is correct
38 Correct 908 ms 618476 KB Output is correct
39 Correct 774 ms 616376 KB Output is correct
40 Correct 774 ms 616376 KB Output is correct
41 Correct 798 ms 618680 KB Output is correct
42 Correct 679 ms 616404 KB Output is correct
43 Correct 447 ms 615352 KB Output is correct
44 Correct 802 ms 618236 KB Output is correct
45 Correct 703 ms 617728 KB Output is correct
46 Correct 747 ms 616632 KB Output is correct
47 Correct 585 ms 616588 KB Output is correct
48 Correct 639 ms 615960 KB Output is correct
49 Correct 651 ms 616120 KB Output is correct
50 Correct 611 ms 617332 KB Output is correct
51 Correct 726 ms 616192 KB Output is correct
52 Correct 3342 ms 681320 KB Output is correct
53 Correct 4768 ms 668324 KB Output is correct
54 Correct 3306 ms 712392 KB Output is correct
55 Correct 3316 ms 678656 KB Output is correct
56 Correct 4637 ms 662664 KB Output is correct
57 Correct 4582 ms 669352 KB Output is correct
58 Correct 3012 ms 714848 KB Output is correct
59 Correct 3095 ms 678740 KB Output is correct
60 Correct 2829 ms 668704 KB Output is correct
61 Correct 4112 ms 663752 KB Output is correct
62 Correct 2723 ms 668820 KB Output is correct
63 Correct 2795 ms 663584 KB Output is correct
64 Correct 4396 ms 678576 KB Output is correct
65 Execution timed out 5082 ms 635660 KB Time limit exceeded
66 Halted 0 ms 0 KB -