oj.uz

Submission #406197

# Submission time Handle Problem Language Result Execution time Memory
406197 2021-05-17T09:21:16 Z kshitij_sodani New Home (APIO18_new_home) C++14
57 / 100
 5000 ms 641220 KB 
//#pragma GCC optimize("Ofast,unroll-loops")
#include <bits/stdc++.h>
using namespace std;
typedef long long llo;
#define mp make_pair
#define pb push_back
#define a first 
#define b second
#define endl '\n'
int n,k,q;
int ans[300001];
set<int> pre[300001];
map<int,int> pre2[300001];
bool vis[3000001];
map<pair<int,pair<int,int>>,int> xx;
map<pair<int,pair<int,int>>,int> xx2;
map<int,int> ss;
map<int,int> ss2;
vector<pair<int,int>> yy;

int ne=0;
int nn;
pair<int,int> solve(int i,int j){
	pair<int,int> ac={i,0};
	pair<int,int> ac2={j+1,0};
	return {lower_bound(yy.begin(),yy.end(),ac)-yy.begin(),lower_bound(yy.begin(),yy.end(),ac2)-yy.begin()-1};
}
priority_queue<pair<int,int>> tree[4*800001];
priority_queue<pair<int,int>> tree2[4*800001];
int kk=1;
//int ans[300001];
void update(int no,int l,int r,int aa,int bb,pair<int,int> x,int st){
	/*if(no==0){
		cout<<aa<<":"<<bb<<":"<<x.a<<":"<<x.b<<endl;
	}*/
	
	if(r<aa or l>bb){
		return;
	}
	if(aa<=l and r<=bb){
		//cout<<l<<",,"<<r<<endl;
		if(kk){
			if(tree[no].size()){
				pair<int,int> ma=tree[no].top();
				tree[no].pop();
				tree[no].push(max(ma,x));
				 ma=tree2[no].top();
				tree2[no].pop();
				tree2[no].push(max(ma,{-x.a,x.b}));
			}
			else{
				tree[no].push(x);

				tree2[no].push({-x.a,x.b});

			}
			return ;
		}
		tree[no].push(x);

		tree2[no].push({-x.a,x.b});


	}
	else{
		int mid=(l+r)/2;
		update(no*2+1,l,mid,aa,bb,x,st);
		update(no*2+2,mid+1,r,aa,bb,x,st);
	}
}
int query(int no,int l,int r,int i){
	int cur=0;
	while(tree[no].size()){
		if(vis[(tree[no].top()).b]){
			tree[no].pop();

		}
		else{
			break;
		}
	}
	while(tree2[no].size()){
		if(vis[(tree2[no].top()).b]){
			tree2[no].pop();
			
		}
		else{
			break;
		}
	}

	if(tree[no].size()){
		//cout<<l<<","<<r<<","<<yy[i].a<<endl;
		cur=max(cur,abs((tree[no].top()).a-yy[i].a));
		
		cur=max(cur,abs(-(tree2[no].top()).a-yy[i].a));
	}
	if(l<r){
		int mid=(l+r)/2;
		if(i<=mid){
			cur=max(cur,query(no*2+1,l,mid,i));
		}
		else{
			cur=max(cur,query(no*2+2,mid+1,r,i));
		}
	}
	return cur;

}
void add(int i,int aa,int bb,int st){
	int mid=(aa+bb)/2;
	if(st==1){
		xx[{i,{aa,mid}}]=ne;
		
		pair<int,int> ind=solve(aa,mid);

		update(0,0,nn-1,ind.a,ind.b,{aa,ne},0);
		ne++;
		xx[{i,{mid+1,bb}}]=ne;
		ind=solve(mid+1,bb);
		update(0,0,nn-1,ind.a,ind.b,{bb,ne},1);
		ne++;
	}
	else{
		vis[xx[{i,{aa,mid}}]]=1;
		vis[xx[{i,{mid+1,bb}}]]=1;
	}
}
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cin>>n>>k>>q;

	vector<pair<pair<int,int>,pair<int,int>>> cur;
	vector<pair<int,int>> zz5;
	for(int i=0;i<n;i++){
		int x,aa,bb,tt;
		cin>>x>>tt>>aa>>bb;
		ss[x]++;
		tt--;
		if(aa!=1 or bb!=1e8){
			kk=0;
		}
		cur.pb({{aa,-1},{x,tt}});
		cur.pb({{bb,1},{x,tt}});
	//	pre[tt].insert(x);
		zz5.pb({tt,x});
	}
	if(kk){
		for(auto j:zz5){
			pre[j.a].insert(j.b);
		}
	}
	for(int i=0;i<q;i++){
		int x,aa;
		cin>>x>>aa;
		ss[x]++;
		cur.pb({{aa,0},{x,i}});
		/*if(kk){
			//pre[aa].insert(x);
		}*/
	}

	sort(cur.begin(),cur.end());
	int ind5=-1;
	
	ss[-2e8]++;
	
	ss[2e8]++;
	for(auto j:ss){
		ind5++;
		ss2[j.a]=ind5;
		yy.pb({j.a,ind5});
	}
	nn=yy.size();
	//sort(cur.begin(),cur.end());
/*	for(auto j:yy){
		cout<<j.a<<",";
	}
	cout<<endl;*/
	
	for(int i=0;i<k;i++){
		pre[i].insert(-2e8);
		pre2[i][-2e8]++;
		pre[i].insert(2e8);
		pre2[i][2e8]++;
		//if(kk==0){
		/*if(kk==0){
			add(i,-2e8,2e8,1);
		}*/

	//	xx[{i,{-2e8,2e8}}]=;
	//	update(0,0,nn-1,0,nn-1);
	}

	for(int i=0;i<k;i++){
		vector<int> xx;
		for(auto j:pre[i]){
			xx.pb(j);
		}
		for(int j=0;j+1<xx.size();j++){
			add(i,xx[j],xx[j+1],1);
			//cout<<i<<":"<<xx[j]<<":"<<xx[j+1]<<endl;
		}
	}

	for(auto j:cur){
		if(j.a.b==-1){
			//add
			if(kk){
				continue;
			}
			//continue;
			if(pre2[j.b.b].find(j.b.a)!=pre2[j.b.b].end()){
				if(pre2[j.b.b][j.b.a]>0){
					pre2[j.b.b][j.b.a]++;
					continue;
				}
			}
			//else{
				pre2[j.b.b][j.b.a]++;
				int re=*(pre[j.b.b].lower_bound(j.b.a));
				auto jj=pre[j.b.b].lower_bound(j.b.a);
				jj--;
				int le=*jj;
				pre[j.b.b].insert(j.b.a);
				add(j.b.b,le,re,0);
				add(j.b.b,le,j.b.a,1);
				add(j.b.b,j.b.a,re,1);
			//}
		}
		else if(j.a.b==1){
			//remove 
			if(kk){
				continue;
			}
			//continue;
			pre2[j.b.b][j.b.a]--;
			if(pre2[j.b.b][j.b.a]==0){
				pre[j.b.b].erase(j.b.a);
				int re=*(pre[j.b.b].lower_bound(j.b.a));
				auto jj=pre[j.b.b].lower_bound(j.b.a);
				jj--;
				int le=*jj;
				add(j.b.b,le,j.b.a,0);
				add(j.b.b,j.b.a,re,0);
				add(j.b.b,le,re,1);
				
			}
		}
		else{
			//cout<<j.b.a<<":"<<j.b.b<<endl;
			int ans2=query(0,0,nn-1,ss2[j.b.a]);
			if(ans2>1e8){
				ans2=-1;
			}
			ans[j.b.b]=ans2;
		}
	}
	for(int i=0;i<q;i++){
		cout<<ans[i]<<endl;
	}
	/*for(int i=0;i<cur.size();i++){
		cur[i].b.a=ss2[cur[i].b.a];
	}*/





	return 0;
}

Compilation message

new_home.cpp: In function 'int main()':
new_home.cpp:201:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  201 |   for(int j=0;j+1<xx.size();j++){
      |               ~~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 137 ms 228892 KB Output is correct
2 Correct 138 ms 228872 KB Output is correct
3 Correct 132 ms 228768 KB Output is correct
4 Correct 130 ms 228904 KB Output is correct
5 Correct 171 ms 228968 KB Output is correct
6 Correct 135 ms 229344 KB Output is correct
7 Correct 136 ms 229684 KB Output is correct
8 Correct 153 ms 229512 KB Output is correct
9 Correct 142 ms 229664 KB Output is correct
10 Correct 136 ms 229328 KB Output is correct
11 Correct 138 ms 229508 KB Output is correct
12 Correct 134 ms 229296 KB Output is correct
13 Correct 139 ms 229448 KB Output is correct
14 Correct 137 ms 229296 KB Output is correct
15 Correct 135 ms 229468 KB Output is correct
16 Correct 135 ms 229548 KB Output is correct
17 Correct 133 ms 229496 KB Output is correct
18 Correct 131 ms 229556 KB Output is correct
19 Correct 137 ms 229508 KB Output is correct
20 Correct 136 ms 229444 KB Output is correct
21 Correct 128 ms 229088 KB Output is correct
22 Correct 133 ms 229700 KB Output is correct
23 Correct 144 ms 229648 KB Output is correct
24 Correct 133 ms 229536 KB Output is correct
25 Correct 136 ms 229444 KB Output is correct
26 Correct 139 ms 229436 KB Output is correct
27 Correct 135 ms 229164 KB Output is correct
28 Correct 144 ms 229388 KB Output is correct
29 Correct 135 ms 229328 KB Output is correct
30 Correct 156 ms 229336 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 137 ms 228892 KB Output is correct
2 Correct 138 ms 228872 KB Output is correct
3 Correct 132 ms 228768 KB Output is correct
4 Correct 130 ms 228904 KB Output is correct
5 Correct 171 ms 228968 KB Output is correct
6 Correct 135 ms 229344 KB Output is correct
7 Correct 136 ms 229684 KB Output is correct
8 Correct 153 ms 229512 KB Output is correct
9 Correct 142 ms 229664 KB Output is correct
10 Correct 136 ms 229328 KB Output is correct
11 Correct 138 ms 229508 KB Output is correct
12 Correct 134 ms 229296 KB Output is correct
13 Correct 139 ms 229448 KB Output is correct
14 Correct 137 ms 229296 KB Output is correct
15 Correct 135 ms 229468 KB Output is correct
16 Correct 135 ms 229548 KB Output is correct
17 Correct 133 ms 229496 KB Output is correct
18 Correct 131 ms 229556 KB Output is correct
19 Correct 137 ms 229508 KB Output is correct
20 Correct 136 ms 229444 KB Output is correct
21 Correct 128 ms 229088 KB Output is correct
22 Correct 133 ms 229700 KB Output is correct
23 Correct 144 ms 229648 KB Output is correct
24 Correct 133 ms 229536 KB Output is correct
25 Correct 136 ms 229444 KB Output is correct
26 Correct 139 ms 229436 KB Output is correct
27 Correct 135 ms 229164 KB Output is correct
28 Correct 144 ms 229388 KB Output is correct
29 Correct 135 ms 229328 KB Output is correct
30 Correct 156 ms 229336 KB Output is correct
31 Correct 2783 ms 348716 KB Output is correct
32 Correct 192 ms 233928 KB Output is correct
33 Correct 2083 ms 311348 KB Output is correct
34 Correct 2710 ms 350632 KB Output is correct
35 Correct 2413 ms 337184 KB Output is correct
36 Correct 1886 ms 311124 KB Output is correct
37 Correct 1725 ms 317324 KB Output is correct
38 Correct 1373 ms 301048 KB Output is correct
39 Correct 1068 ms 305624 KB Output is correct
40 Correct 1072 ms 301108 KB Output is correct
41 Correct 2720 ms 331904 KB Output is correct
42 Correct 2685 ms 335420 KB Output is correct
43 Correct 187 ms 233912 KB Output is correct
44 Correct 2605 ms 330688 KB Output is correct
45 Correct 2488 ms 322972 KB Output is correct
46 Correct 2364 ms 311824 KB Output is correct
47 Correct 1196 ms 325224 KB Output is correct
48 Correct 1138 ms 323384 KB Output is correct
49 Correct 1367 ms 328024 KB Output is correct
50 Correct 1655 ms 340152 KB Output is correct
51 Correct 1422 ms 322536 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4746 ms 439568 KB Output is correct
2 Correct 3050 ms 430256 KB Output is correct
3 Correct 4735 ms 520728 KB Output is correct
4 Correct 4965 ms 464720 KB Output is correct
5 Correct 2541 ms 407692 KB Output is correct
6 Correct 2822 ms 425636 KB Output is correct
7 Correct 4746 ms 520872 KB Output is correct
8 Correct 4770 ms 464760 KB Output is correct
9 Correct 4728 ms 444384 KB Output is correct
10 Correct 4027 ms 434640 KB Output is correct
11 Correct 2180 ms 429388 KB Output is correct
12 Correct 2937 ms 433380 KB Output is correct

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5130 ms 641220 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 137 ms 228892 KB Output is correct
2 Correct 138 ms 228872 KB Output is correct
3 Correct 132 ms 228768 KB Output is correct
4 Correct 130 ms 228904 KB Output is correct
5 Correct 171 ms 228968 KB Output is correct
6 Correct 135 ms 229344 KB Output is correct
7 Correct 136 ms 229684 KB Output is correct
8 Correct 153 ms 229512 KB Output is correct
9 Correct 142 ms 229664 KB Output is correct
10 Correct 136 ms 229328 KB Output is correct
11 Correct 138 ms 229508 KB Output is correct
12 Correct 134 ms 229296 KB Output is correct
13 Correct 139 ms 229448 KB Output is correct
14 Correct 137 ms 229296 KB Output is correct
15 Correct 135 ms 229468 KB Output is correct
16 Correct 135 ms 229548 KB Output is correct
17 Correct 133 ms 229496 KB Output is correct
18 Correct 131 ms 229556 KB Output is correct
19 Correct 137 ms 229508 KB Output is correct
20 Correct 136 ms 229444 KB Output is correct
21 Correct 128 ms 229088 KB Output is correct
22 Correct 133 ms 229700 KB Output is correct
23 Correct 144 ms 229648 KB Output is correct
24 Correct 133 ms 229536 KB Output is correct
25 Correct 136 ms 229444 KB Output is correct
26 Correct 139 ms 229436 KB Output is correct
27 Correct 135 ms 229164 KB Output is correct
28 Correct 144 ms 229388 KB Output is correct
29 Correct 135 ms 229328 KB Output is correct
30 Correct 156 ms 229336 KB Output is correct
31 Correct 2783 ms 348716 KB Output is correct
32 Correct 192 ms 233928 KB Output is correct
33 Correct 2083 ms 311348 KB Output is correct
34 Correct 2710 ms 350632 KB Output is correct
35 Correct 2413 ms 337184 KB Output is correct
36 Correct 1886 ms 311124 KB Output is correct
37 Correct 1725 ms 317324 KB Output is correct
38 Correct 1373 ms 301048 KB Output is correct
39 Correct 1068 ms 305624 KB Output is correct
40 Correct 1072 ms 301108 KB Output is correct
41 Correct 2720 ms 331904 KB Output is correct
42 Correct 2685 ms 335420 KB Output is correct
43 Correct 187 ms 233912 KB Output is correct
44 Correct 2605 ms 330688 KB Output is correct
45 Correct 2488 ms 322972 KB Output is correct
46 Correct 2364 ms 311824 KB Output is correct
47 Correct 1196 ms 325224 KB Output is correct
48 Correct 1138 ms 323384 KB Output is correct
49 Correct 1367 ms 328024 KB Output is correct
50 Correct 1655 ms 340152 KB Output is correct
51 Correct 1422 ms 322536 KB Output is correct
52 Correct 2068 ms 386204 KB Output is correct
53 Correct 2029 ms 378484 KB Output is correct
54 Correct 2343 ms 370728 KB Output is correct
55 Correct 2412 ms 355716 KB Output is correct
56 Correct 2244 ms 359064 KB Output is correct
57 Correct 2602 ms 340380 KB Output is correct
58 Correct 2521 ms 353832 KB Output is correct
59 Correct 2329 ms 356728 KB Output is correct
60 Correct 2605 ms 341816 KB Output is correct
61 Correct 298 ms 262288 KB Output is correct
62 Correct 1973 ms 376432 KB Output is correct
63 Correct 2157 ms 368500 KB Output is correct
64 Correct 2256 ms 371000 KB Output is correct
65 Correct 2482 ms 359128 KB Output is correct
66 Correct 2675 ms 340124 KB Output is correct
67 Correct 794 ms 277256 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 137 ms 228892 KB Output is correct
2 Correct 138 ms 228872 KB Output is correct
3 Correct 132 ms 228768 KB Output is correct
4 Correct 130 ms 228904 KB Output is correct
5 Correct 171 ms 228968 KB Output is correct
6 Correct 135 ms 229344 KB Output is correct
7 Correct 136 ms 229684 KB Output is correct
8 Correct 153 ms 229512 KB Output is correct
9 Correct 142 ms 229664 KB Output is correct
10 Correct 136 ms 229328 KB Output is correct
11 Correct 138 ms 229508 KB Output is correct
12 Correct 134 ms 229296 KB Output is correct
13 Correct 139 ms 229448 KB Output is correct
14 Correct 137 ms 229296 KB Output is correct
15 Correct 135 ms 229468 KB Output is correct
16 Correct 135 ms 229548 KB Output is correct
17 Correct 133 ms 229496 KB Output is correct
18 Correct 131 ms 229556 KB Output is correct
19 Correct 137 ms 229508 KB Output is correct
20 Correct 136 ms 229444 KB Output is correct
21 Correct 128 ms 229088 KB Output is correct
22 Correct 133 ms 229700 KB Output is correct
23 Correct 144 ms 229648 KB Output is correct
24 Correct 133 ms 229536 KB Output is correct
25 Correct 136 ms 229444 KB Output is correct
26 Correct 139 ms 229436 KB Output is correct
27 Correct 135 ms 229164 KB Output is correct
28 Correct 144 ms 229388 KB Output is correct
29 Correct 135 ms 229328 KB Output is correct
30 Correct 156 ms 229336 KB Output is correct
31 Correct 2783 ms 348716 KB Output is correct
32 Correct 192 ms 233928 KB Output is correct
33 Correct 2083 ms 311348 KB Output is correct
34 Correct 2710 ms 350632 KB Output is correct
35 Correct 2413 ms 337184 KB Output is correct
36 Correct 1886 ms 311124 KB Output is correct
37 Correct 1725 ms 317324 KB Output is correct
38 Correct 1373 ms 301048 KB Output is correct
39 Correct 1068 ms 305624 KB Output is correct
40 Correct 1072 ms 301108 KB Output is correct
41 Correct 2720 ms 331904 KB Output is correct
42 Correct 2685 ms 335420 KB Output is correct
43 Correct 187 ms 233912 KB Output is correct
44 Correct 2605 ms 330688 KB Output is correct
45 Correct 2488 ms 322972 KB Output is correct
46 Correct 2364 ms 311824 KB Output is correct
47 Correct 1196 ms 325224 KB Output is correct
48 Correct 1138 ms 323384 KB Output is correct
49 Correct 1367 ms 328024 KB Output is correct
50 Correct 1655 ms 340152 KB Output is correct
51 Correct 1422 ms 322536 KB Output is correct
52 Correct 4746 ms 439568 KB Output is correct
53 Correct 3050 ms 430256 KB Output is correct
54 Correct 4735 ms 520728 KB Output is correct
55 Correct 4965 ms 464720 KB Output is correct
56 Correct 2541 ms 407692 KB Output is correct
57 Correct 2822 ms 425636 KB Output is correct
58 Correct 4746 ms 520872 KB Output is correct
59 Correct 4770 ms 464760 KB Output is correct
60 Correct 4728 ms 444384 KB Output is correct
61 Correct 4027 ms 434640 KB Output is correct
62 Correct 2180 ms 429388 KB Output is correct
63 Correct 2937 ms 433380 KB Output is correct
64 Execution timed out 5130 ms 641220 KB Time limit exceeded
65 Halted 0 ms 0 KB -