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답안 #1014202

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1014202 2024-07-04T13:58:31 Z pcc 새 집 (APIO18_new_home) C++17
57 / 100
 5000 ms 524476 KB 
#include <bits/stdc++.h>
using namespace std;

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,popcnt,sse4")

#define _all(T) T.begin(),T.end()
#define pii pair<int,int>
#define fs first
#define sc second
const int mxn = 1e6;
const int inf = 1e9;
const int lim = 1e8+10;

struct SEG{
#define mid ((l+r)>>1)
#define ls now*2+1
#define rs now*2+2
	int seg[mxn*4];
	pii op[mxn*15];
	int head[mxn];
	int cnt = 0;
	SEG(){
		fill(seg,seg+mxn*4,-inf);
	}
	void modify(int now,int l,int r,int s,int e,int v,bool rec = false){
		if(rec&&now == 0){
			cnt++;
			head[cnt] = head[cnt-1];
		}
		if(l>=s&&e>=r){
			if(rec){
				op[++head[cnt]] = pii(now,seg[now]);
			}
			seg[now] = max(seg[now],v);
			return;
		}
		if(mid>=s)modify(ls,l,mid,s,e,v,rec);
		if(mid<e)modify(rs,mid+1,r,s,e,v,rec);
		return;
	}
	void undo(){
		assert(cnt);
		while(head[cnt]>head[cnt-1]){
			auto &[p,v] = op[head[cnt]--];
			seg[p] = v;
		}
		cnt--;
		return;
	}
	int getval(int now,int l,int r,int p){
		if(l == r)return seg[now];
		if(mid>=p)return max(seg[now],getval(ls,l,mid,p));
		else return max(seg[now],getval(rs,mid+1,r,p));
	}
#undef mid
#undef ls
#undef rs
};

SEG seg1,seg2;
int N,K,Q;
multiset<int> st[mxn];
vector<int> all;
vector<int> allt;
vector<pii> req;
array<int,4> shop[mxn];
int ans[mxn];
vector<pii> tseg[mxn*4];
vector<pii> ask[mxn];

void addev(int now,int l,int r,int s,int e,pii val){
	assert(e>=s);
	if(l>=s&&e>=r){
		tseg[now].push_back(val);
		return;
	}
	int mid = (l+r)>>1;
	if(mid>=s)addev(now*2+1,l,mid,s,e,val);
	if(mid<e)addev(now*2+2,mid+1,r,s,e,val);
	return;
}

void del(int pos,int tp){
	st[tp].erase(st[tp].find(pos));
	auto lit = --st[tp].lower_bound(pos);
	auto rit = st[tp].lower_bound(pos);
	int mid = all[*lit]+(all[*rit]-all[*lit])/2;
	int mp = upper_bound(_all(all),mid)-all.begin();
	//cerr<<"DEL: "<<pos<<' '<<tp<<"::"<<*lit<<' '<<mp<<' '<<*rit<<endl;
	seg1.modify(0,0,all.size(),*lit,mp-1,-all[*lit],1);
	seg2.modify(0,0,all.size(),mp,*rit,all[*rit],1);
	//cerr<<"DEL DONE! "<<endl;
	return;
}

void undo(){
	seg1.undo();
	seg2.undo();
}

void dfs(int now,int l,int r){
	//cerr<<"DFS IN: "<<l<<' '<<r<<endl;
	for(auto &i:tseg[now])del(i.fs,i.sc);
	if(l == r){
		for(auto &i:ask[l]){//p,idx
			//cerr<<"ASK: "<<i.fs<<','<<i.sc<<' '<<all[i.fs]<<' '<<seg1.getval(0,0,all.size(),i.fs)<<' '<<seg2.getval(0,0,all.size(),i.fs)<<endl;
			ans[i.sc] = max(all[i.fs]+seg1.getval(0,0,all.size(),i.fs),seg2.getval(0,0,all.size(),i.fs)-all[i.fs]);
		}
	}
	else{
		int mid = (l+r)>>1;
		dfs(now*2+1,l,mid);
		dfs(now*2+2,mid+1,r);
	}
	for(auto &[pos,tp]:tseg[now]){
		undo();
		//cerr<<"UNDO: "<<pos<<','<<tp<<endl;
		st[tp].insert(pos);
	}
	//cerr<<"DFS OUT: "<<l<<' '<<r<<endl;
	return;
}

int main(){

	cin>>N>>K>>Q;
	allt.push_back(-1);
	for(int i = 1;i<=N;i++){
		cin>>shop[i][0]>>shop[i][1]>>shop[i][2]>>shop[i][3];//x,t,a,b
		all.push_back(shop[i][0]);
		allt.push_back(shop[i][2]);
		allt.push_back(shop[i][3]);
	}
	for(int i = 0;i<Q;i++){
		int l,y;
		cin>>l>>y;
		all.push_back(l);
		allt.push_back(y);
		req.push_back(pii(l,y));
	}
	all.push_back(-inf);all.push_back(inf);
	sort(_all(all));all.resize(unique(_all(all))-all.begin());
	sort(_all(allt));allt.resize(unique(_all(allt))-allt.begin());
	//cerr<<"ALL: ";for(auto &i:all)cerr<<i<<' ';cerr<<endl;
	//cerr<<"ALLT: ";for(auto &i:allt)cerr<<i<<' ';cerr<<endl;
	for(int i = 1;i<=K;i++){
		st[i].insert(0);
		st[i].insert(all.size()-1);
	}
	for(int i = 1;i<=N;i++){
		shop[i][0] = lower_bound(_all(all),shop[i][0])-all.begin();
		st[shop[i][1]].insert(shop[i][0]);
		shop[i][2] = lower_bound(_all(allt),shop[i][2])-allt.begin();
		shop[i][3] = lower_bound(_all(allt),shop[i][3])-allt.begin();
	}
	for(int i = 1;i<=K;i++){
		for(auto it = ++st[i].begin();it != st[i].end();it++){
			int l = *prev(it),r = *it;
			int mid = all[l]+(all[r]-all[l])/2;
			auto pos = upper_bound(_all(all),mid)-all.begin();
			seg1.modify(0,0,all.size(),l,pos-1,-all[l]);
			seg2.modify(0,0,all.size(),pos,r,all[r]);
		}
	}
	//cerr<<"INIT DONE!"<<endl;
	for(int i = 1;i<=N;i++){
		int pos = shop[i][0],tp = shop[i][1],s = shop[i][2],e = shop[i][3];
		//cerr<<"ADDEV: "<<0<<' '<<s-1<<' '<<pos<<' '<<tp<<endl;
		//cerr<<"ADDEV: "<<e+1<<' '<<allt.size()<<' '<<pos<<' '<<tp<<endl;
		addev(0,0,allt.size(),0,s-1,pii(pos,tp));
		addev(0,0,allt.size(),e+1,allt.size(),pii(pos,tp));
	}
	for(int i = 0;i<Q;i++){
		auto &[p,t] = req[i];
		p = lower_bound(_all(all),p)-all.begin();
		t = lower_bound(_all(allt),t)-allt.begin();
		//cerr<<"ASK POS: "<<p<<' '<<t<<endl;
		ask[t].push_back(pii(p,i));
	}

	//cerr<<"ADDEV DONE!"<<' '<<seg1.getval(0,0,all.size(),req[0].fs)<<' '<<seg2.getval(0,0,all.size(),req[0].fs)<<endl;

	dfs(0,0,allt.size());
	assert(!seg1.cnt);
	assert(!seg2.cnt);
	//cerr<<"DFS DONE! "<<endl;
	for(int i = 0;i<Q;i++)cout<<(ans[i]>lim?-1:ans[i])<<'\n';
	return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 178 ms 430932 KB Output is correct
2 Correct 174 ms 430932 KB Output is correct
3 Correct 177 ms 430812 KB Output is correct
4 Correct 175 ms 430928 KB Output is correct
5 Correct 193 ms 430932 KB Output is correct
6 Correct 179 ms 430928 KB Output is correct
7 Correct 188 ms 430928 KB Output is correct
8 Correct 187 ms 431072 KB Output is correct
9 Correct 173 ms 431048 KB Output is correct
10 Correct 176 ms 430928 KB Output is correct
11 Correct 171 ms 430932 KB Output is correct
12 Correct 180 ms 430932 KB Output is correct
13 Correct 174 ms 430996 KB Output is correct
14 Correct 192 ms 430932 KB Output is correct
15 Correct 189 ms 430980 KB Output is correct
16 Correct 184 ms 430932 KB Output is correct
17 Correct 180 ms 430932 KB Output is correct
18 Correct 227 ms 430928 KB Output is correct
19 Correct 178 ms 431088 KB Output is correct
20 Correct 189 ms 430928 KB Output is correct
21 Correct 195 ms 430928 KB Output is correct
22 Correct 175 ms 430964 KB Output is correct
23 Correct 176 ms 430928 KB Output is correct
24 Correct 193 ms 431048 KB Output is correct
25 Correct 190 ms 430928 KB Output is correct
26 Correct 181 ms 430932 KB Output is correct
27 Correct 183 ms 430928 KB Output is correct
28 Correct 175 ms 430868 KB Output is correct
29 Correct 173 ms 430932 KB Output is correct
30 Correct 185 ms 430932 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 178 ms 430932 KB Output is correct
2 Correct 174 ms 430932 KB Output is correct
3 Correct 177 ms 430812 KB Output is correct
4 Correct 175 ms 430928 KB Output is correct
5 Correct 193 ms 430932 KB Output is correct
6 Correct 179 ms 430928 KB Output is correct
7 Correct 188 ms 430928 KB Output is correct
8 Correct 187 ms 431072 KB Output is correct
9 Correct 173 ms 431048 KB Output is correct
10 Correct 176 ms 430928 KB Output is correct
11 Correct 171 ms 430932 KB Output is correct
12 Correct 180 ms 430932 KB Output is correct
13 Correct 174 ms 430996 KB Output is correct
14 Correct 192 ms 430932 KB Output is correct
15 Correct 189 ms 430980 KB Output is correct
16 Correct 184 ms 430932 KB Output is correct
17 Correct 180 ms 430932 KB Output is correct
18 Correct 227 ms 430928 KB Output is correct
19 Correct 178 ms 431088 KB Output is correct
20 Correct 189 ms 430928 KB Output is correct
21 Correct 195 ms 430928 KB Output is correct
22 Correct 175 ms 430964 KB Output is correct
23 Correct 176 ms 430928 KB Output is correct
24 Correct 193 ms 431048 KB Output is correct
25 Correct 190 ms 430928 KB Output is correct
26 Correct 181 ms 430932 KB Output is correct
27 Correct 183 ms 430928 KB Output is correct
28 Correct 175 ms 430868 KB Output is correct
29 Correct 173 ms 430932 KB Output is correct
30 Correct 185 ms 430932 KB Output is correct
31 Correct 1232 ms 453084 KB Output is correct
32 Correct 308 ms 440264 KB Output is correct
33 Correct 1215 ms 455184 KB Output is correct
34 Correct 1171 ms 455080 KB Output is correct
35 Correct 1220 ms 452988 KB Output is correct
36 Correct 1158 ms 452988 KB Output is correct
37 Correct 1041 ms 455364 KB Output is correct
38 Correct 1095 ms 455108 KB Output is correct
39 Correct 882 ms 455112 KB Output is correct
40 Correct 889 ms 455068 KB Output is correct
41 Correct 934 ms 454848 KB Output is correct
42 Correct 967 ms 454596 KB Output is correct
43 Correct 260 ms 441092 KB Output is correct
44 Correct 1014 ms 455112 KB Output is correct
45 Correct 1079 ms 454848 KB Output is correct
46 Correct 1108 ms 454692 KB Output is correct
47 Correct 709 ms 453300 KB Output is correct
48 Correct 733 ms 453316 KB Output is correct
49 Correct 760 ms 453824 KB Output is correct
50 Correct 814 ms 454596 KB Output is correct
51 Correct 808 ms 453576 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1768 ms 491360 KB Output is correct
2 Correct 1854 ms 484080 KB Output is correct
3 Correct 1713 ms 506704 KB Output is correct
4 Correct 1813 ms 500304 KB Output is correct
5 Correct 1955 ms 488884 KB Output is correct
6 Correct 1985 ms 489296 KB Output is correct
7 Correct 1359 ms 520016 KB Output is correct
8 Correct 1537 ms 501056 KB Output is correct
9 Correct 1622 ms 494432 KB Output is correct
10 Correct 1674 ms 490288 KB Output is correct
11 Correct 1248 ms 488976 KB Output is correct
12 Correct 1398 ms 490212 KB Output is correct

Subtask #4
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4698 ms 524476 KB Output is correct
2 Correct 839 ms 476208 KB Output is correct
3 Execution timed out 5039 ms 522368 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #5
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 178 ms 430932 KB Output is correct
2 Correct 174 ms 430932 KB Output is correct
3 Correct 177 ms 430812 KB Output is correct
4 Correct 175 ms 430928 KB Output is correct
5 Correct 193 ms 430932 KB Output is correct
6 Correct 179 ms 430928 KB Output is correct
7 Correct 188 ms 430928 KB Output is correct
8 Correct 187 ms 431072 KB Output is correct
9 Correct 173 ms 431048 KB Output is correct
10 Correct 176 ms 430928 KB Output is correct
11 Correct 171 ms 430932 KB Output is correct
12 Correct 180 ms 430932 KB Output is correct
13 Correct 174 ms 430996 KB Output is correct
14 Correct 192 ms 430932 KB Output is correct
15 Correct 189 ms 430980 KB Output is correct
16 Correct 184 ms 430932 KB Output is correct
17 Correct 180 ms 430932 KB Output is correct
18 Correct 227 ms 430928 KB Output is correct
19 Correct 178 ms 431088 KB Output is correct
20 Correct 189 ms 430928 KB Output is correct
21 Correct 195 ms 430928 KB Output is correct
22 Correct 175 ms 430964 KB Output is correct
23 Correct 176 ms 430928 KB Output is correct
24 Correct 193 ms 431048 KB Output is correct
25 Correct 190 ms 430928 KB Output is correct
26 Correct 181 ms 430932 KB Output is correct
27 Correct 183 ms 430928 KB Output is correct
28 Correct 175 ms 430868 KB Output is correct
29 Correct 173 ms 430932 KB Output is correct
30 Correct 185 ms 430932 KB Output is correct
31 Correct 1232 ms 453084 KB Output is correct
32 Correct 308 ms 440264 KB Output is correct
33 Correct 1215 ms 455184 KB Output is correct
34 Correct 1171 ms 455080 KB Output is correct
35 Correct 1220 ms 452988 KB Output is correct
36 Correct 1158 ms 452988 KB Output is correct
37 Correct 1041 ms 455364 KB Output is correct
38 Correct 1095 ms 455108 KB Output is correct
39 Correct 882 ms 455112 KB Output is correct
40 Correct 889 ms 455068 KB Output is correct
41 Correct 934 ms 454848 KB Output is correct
42 Correct 967 ms 454596 KB Output is correct
43 Correct 260 ms 441092 KB Output is correct
44 Correct 1014 ms 455112 KB Output is correct
45 Correct 1079 ms 454848 KB Output is correct
46 Correct 1108 ms 454692 KB Output is correct
47 Correct 709 ms 453300 KB Output is correct
48 Correct 733 ms 453316 KB Output is correct
49 Correct 760 ms 453824 KB Output is correct
50 Correct 814 ms 454596 KB Output is correct
51 Correct 808 ms 453576 KB Output is correct
52 Correct 788 ms 458236 KB Output is correct
53 Correct 809 ms 460088 KB Output is correct
54 Correct 855 ms 454280 KB Output is correct
55 Correct 836 ms 456156 KB Output is correct
56 Correct 803 ms 457000 KB Output is correct
57 Correct 931 ms 454956 KB Output is correct
58 Correct 882 ms 455968 KB Output is correct
59 Correct 847 ms 456644 KB Output is correct
60 Correct 914 ms 455360 KB Output is correct
61 Correct 274 ms 447080 KB Output is correct
62 Correct 704 ms 459880 KB Output is correct
63 Correct 767 ms 455972 KB Output is correct
64 Correct 790 ms 455616 KB Output is correct
65 Correct 902 ms 455100 KB Output is correct
66 Correct 941 ms 454592 KB Output is correct
67 Correct 315 ms 442816 KB Output is correct

Subtask #6
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 178 ms 430932 KB Output is correct
2 Correct 174 ms 430932 KB Output is correct
3 Correct 177 ms 430812 KB Output is correct
4 Correct 175 ms 430928 KB Output is correct
5 Correct 193 ms 430932 KB Output is correct
6 Correct 179 ms 430928 KB Output is correct
7 Correct 188 ms 430928 KB Output is correct
8 Correct 187 ms 431072 KB Output is correct
9 Correct 173 ms 431048 KB Output is correct
10 Correct 176 ms 430928 KB Output is correct
11 Correct 171 ms 430932 KB Output is correct
12 Correct 180 ms 430932 KB Output is correct
13 Correct 174 ms 430996 KB Output is correct
14 Correct 192 ms 430932 KB Output is correct
15 Correct 189 ms 430980 KB Output is correct
16 Correct 184 ms 430932 KB Output is correct
17 Correct 180 ms 430932 KB Output is correct
18 Correct 227 ms 430928 KB Output is correct
19 Correct 178 ms 431088 KB Output is correct
20 Correct 189 ms 430928 KB Output is correct
21 Correct 195 ms 430928 KB Output is correct
22 Correct 175 ms 430964 KB Output is correct
23 Correct 176 ms 430928 KB Output is correct
24 Correct 193 ms 431048 KB Output is correct
25 Correct 190 ms 430928 KB Output is correct
26 Correct 181 ms 430932 KB Output is correct
27 Correct 183 ms 430928 KB Output is correct
28 Correct 175 ms 430868 KB Output is correct
29 Correct 173 ms 430932 KB Output is correct
30 Correct 185 ms 430932 KB Output is correct
31 Correct 1232 ms 453084 KB Output is correct
32 Correct 308 ms 440264 KB Output is correct
33 Correct 1215 ms 455184 KB Output is correct
34 Correct 1171 ms 455080 KB Output is correct
35 Correct 1220 ms 452988 KB Output is correct
36 Correct 1158 ms 452988 KB Output is correct
37 Correct 1041 ms 455364 KB Output is correct
38 Correct 1095 ms 455108 KB Output is correct
39 Correct 882 ms 455112 KB Output is correct
40 Correct 889 ms 455068 KB Output is correct
41 Correct 934 ms 454848 KB Output is correct
42 Correct 967 ms 454596 KB Output is correct
43 Correct 260 ms 441092 KB Output is correct
44 Correct 1014 ms 455112 KB Output is correct
45 Correct 1079 ms 454848 KB Output is correct
46 Correct 1108 ms 454692 KB Output is correct
47 Correct 709 ms 453300 KB Output is correct
48 Correct 733 ms 453316 KB Output is correct
49 Correct 760 ms 453824 KB Output is correct
50 Correct 814 ms 454596 KB Output is correct
51 Correct 808 ms 453576 KB Output is correct
52 Correct 1768 ms 491360 KB Output is correct
53 Correct 1854 ms 484080 KB Output is correct
54 Correct 1713 ms 506704 KB Output is correct
55 Correct 1813 ms 500304 KB Output is correct
56 Correct 1955 ms 488884 KB Output is correct
57 Correct 1985 ms 489296 KB Output is correct
58 Correct 1359 ms 520016 KB Output is correct
59 Correct 1537 ms 501056 KB Output is correct
60 Correct 1622 ms 494432 KB Output is correct
61 Correct 1674 ms 490288 KB Output is correct
62 Correct 1248 ms 488976 KB Output is correct
63 Correct 1398 ms 490212 KB Output is correct
64 Correct 4698 ms 524476 KB Output is correct
65 Correct 839 ms 476208 KB Output is correct
66 Execution timed out 5039 ms 522368 KB Time limit exceeded
67 Halted 0 ms 0 KB -