oj.uz

Submission #917355

# Submission time Handle Problem Language Result Execution time Memory
917355 2024-01-27T23:09:27 Z amirhoseinfar1385 Two Antennas (JOI19_antennas) C++17
100 / 100
 394 ms 47968 KB 
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2")
#include<bits/stdc++.h>
using namespace std;
const int maxn=200000+10;
int n,q;
int h[maxn],a[maxn],b[maxn];
int kaf=(1<<19),inf=1e9+5;
vector<int>del[maxn],ins[maxn];
vector<pair<int,int>>allq[maxn];
int res[maxn];
struct segment{
	struct node{
		int r,mxq,mnq,mx,mn;
		node(){
			r=-1;
			mxq=mx=-inf;
			mn=mnq=inf;
		}
	};
	void calr(int i){
		seg[i].r=max(seg[i].r,seg[i].mxq-seg[i].mn);
		seg[i].r=max(seg[i].r,seg[i].mx-seg[i].mnq);
	}
	void calc(int i){
		calr(i);
		if(i>=kaf){
			return ;
		}
		seg[i].r=max(seg[i].r,max(seg[(i<<1)].r,seg[(i<<1)^1].r));
		seg[i].mx=max(seg[(i<<1)].mx,seg[(i<<1)^1].mx);
		seg[i].mn=min(seg[(i<<1)].mn,seg[(i<<1)^1].mn);
	}

	void shift(int i){
		if(i>=kaf){
			return ;
		}
		seg[(i<<1)].mxq=max(seg[(i<<1)].mxq,seg[i].mxq);
		seg[(i<<1)].mnq=min(seg[(i<<1)].mnq,seg[i].mnq);
		seg[(i<<1)^1].mxq=max(seg[(i<<1)^1].mxq,seg[i].mxq);
		seg[(i<<1)^1].mnq=min(seg[(i<<1)^1].mnq,seg[i].mnq);
		seg[i].mxq=-inf;
		seg[i].mnq=inf;
	}
	node seg[(1<<20)];
	void upd(int i,int l,int r,int tl,int tr,int mx,int mn){
		if(l>r||l>tr||r<tl||tl>tr){
			return ;
		}
		if(l>=tl&&r<=tr){
			calr(i);
			seg[i].mxq=-inf;
			seg[i].mnq=inf;
			seg[i].mx=mx;
			seg[i].mn=mn;
			return ;
		}
		calr(i);
		shift(i);
		int m=(l+r)>>1;
		upd((i<<1),l,m,tl,tr,mx,mn);
		upd((i<<1)^1,m+1,r,tl,tr,mx,mn);
		calc(i);
		return ;
	}
	void qu(int i,int l,int r,int tl,int tr,int w){
		if(l>r||l>tr||r<tl||tl>tr){
			return ;
		}
		if(l>=tl&&r<=tr){
			seg[i].mnq=min(seg[i].mnq,w);
			seg[i].mxq=max(seg[i].mxq,w);
			calr(i);
			return ;
		}
		calr(i);
		int m=(l+r)>>1;
		qu((i<<1),l,m,tl,tr,w);
		qu((i<<1)^1,m+1,r,tl,tr,w);
		calc(i);
	}
	int pors(int i,int l,int r,int tl,int tr){
		calr(i);
		if(l>r||l>tr||r<tl||tl>tr){
			return -1;
		}
		if(l>=tl&&r<=tr){
			return seg[i].r;
		}
		shift(i);
		int m=(l+r)>>1;
		return max(pors((i<<1),l,m,tl,tr),pors((i<<1)^1,m+1,r,tl,tr));	
	}
}seg;

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>h[i]>>a[i]>>b[i];
		if(a[i]+i<maxn){
			ins[i+a[i]].push_back(i);
		}
		if(b[i]+i+1<maxn){
			del[b[i]+i+1].push_back(i);
		}
	}
	cin>>q;
	for(int i=0;i<q;i++){
		int l,r;
		cin>>l>>r;
		allq[r].push_back(make_pair(l,i));
	}
	for(int i=1;i<=n;i++){
		for(auto x:del[i]){
			seg.upd(1,0,kaf-1,x,x,-inf,inf);
		}
		for(auto x:ins[i]){
			seg.upd(1,0,kaf-1,x,x,h[x],h[x]);
		}
		seg.qu(1,0,kaf-1,i-b[i],i-a[i],h[i]);
		for(auto x:allq[i]){
			res[x.second]=seg.pors(1,0,kaf-1,x.first,i);
		}
	}
	for(int i=0;i<q;i++){
		cout<<res[i]<<"\n";
	}
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 37464 KB Output is correct
2 Correct 10 ms 37468 KB Output is correct
3 Correct 10 ms 37492 KB Output is correct
4 Correct 11 ms 37468 KB Output is correct
5 Correct 10 ms 37468 KB Output is correct
6 Correct 12 ms 37496 KB Output is correct
7 Correct 10 ms 37468 KB Output is correct
8 Correct 10 ms 37468 KB Output is correct
9 Correct 9 ms 37512 KB Output is correct
10 Correct 10 ms 37468 KB Output is correct
11 Correct 10 ms 37468 KB Output is correct
12 Correct 10 ms 37468 KB Output is correct
13 Correct 10 ms 37464 KB Output is correct
14 Correct 10 ms 37468 KB Output is correct
15 Correct 11 ms 37468 KB Output is correct
16 Correct 10 ms 37468 KB Output is correct
17 Correct 11 ms 37496 KB Output is correct
18 Correct 10 ms 37492 KB Output is correct
19 Correct 10 ms 37464 KB Output is correct
20 Correct 10 ms 37464 KB Output is correct
21 Correct 11 ms 37468 KB Output is correct
22 Correct 10 ms 37492 KB Output is correct
23 Correct 11 ms 37468 KB Output is correct
24 Correct 10 ms 37468 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 37464 KB Output is correct
2 Correct 10 ms 37468 KB Output is correct
3 Correct 10 ms 37492 KB Output is correct
4 Correct 11 ms 37468 KB Output is correct
5 Correct 10 ms 37468 KB Output is correct
6 Correct 12 ms 37496 KB Output is correct
7 Correct 10 ms 37468 KB Output is correct
8 Correct 10 ms 37468 KB Output is correct
9 Correct 9 ms 37512 KB Output is correct
10 Correct 10 ms 37468 KB Output is correct
11 Correct 10 ms 37468 KB Output is correct
12 Correct 10 ms 37468 KB Output is correct
13 Correct 10 ms 37464 KB Output is correct
14 Correct 10 ms 37468 KB Output is correct
15 Correct 11 ms 37468 KB Output is correct
16 Correct 10 ms 37468 KB Output is correct
17 Correct 11 ms 37496 KB Output is correct
18 Correct 10 ms 37492 KB Output is correct
19 Correct 10 ms 37464 KB Output is correct
20 Correct 10 ms 37464 KB Output is correct
21 Correct 11 ms 37468 KB Output is correct
22 Correct 10 ms 37492 KB Output is correct
23 Correct 11 ms 37468 KB Output is correct
24 Correct 10 ms 37468 KB Output is correct
25 Correct 66 ms 40472 KB Output is correct
26 Correct 19 ms 37960 KB Output is correct
27 Correct 93 ms 41868 KB Output is correct
28 Correct 92 ms 41808 KB Output is correct
29 Correct 67 ms 40460 KB Output is correct
30 Correct 65 ms 40276 KB Output is correct
31 Correct 86 ms 41064 KB Output is correct
32 Correct 92 ms 41812 KB Output is correct
33 Correct 91 ms 41536 KB Output is correct
34 Correct 51 ms 39632 KB Output is correct
35 Correct 89 ms 41620 KB Output is correct
36 Correct 92 ms 41668 KB Output is correct
37 Correct 57 ms 39252 KB Output is correct
38 Correct 95 ms 40676 KB Output is correct
39 Correct 28 ms 37976 KB Output is correct
40 Correct 89 ms 40792 KB Output is correct
41 Correct 69 ms 39760 KB Output is correct
42 Correct 92 ms 40784 KB Output is correct
43 Correct 38 ms 38684 KB Output is correct
44 Correct 93 ms 40816 KB Output is correct
45 Correct 25 ms 37980 KB Output is correct
46 Correct 89 ms 40788 KB Output is correct
47 Correct 32 ms 38236 KB Output is correct
48 Correct 92 ms 40896 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 174 ms 42068 KB Output is correct
2 Correct 200 ms 41552 KB Output is correct
3 Correct 168 ms 42580 KB Output is correct
4 Correct 197 ms 41552 KB Output is correct
5 Correct 101 ms 41932 KB Output is correct
6 Correct 191 ms 41684 KB Output is correct
7 Correct 176 ms 42404 KB Output is correct
8 Correct 187 ms 41556 KB Output is correct
9 Correct 38 ms 38748 KB Output is correct
10 Correct 204 ms 41556 KB Output is correct
11 Correct 132 ms 42588 KB Output is correct
12 Correct 227 ms 41508 KB Output is correct
13 Correct 141 ms 39160 KB Output is correct
14 Correct 162 ms 39420 KB Output is correct
15 Correct 136 ms 39504 KB Output is correct
16 Correct 148 ms 39864 KB Output is correct
17 Correct 147 ms 39504 KB Output is correct
18 Correct 143 ms 39916 KB Output is correct
19 Correct 138 ms 39204 KB Output is correct
20 Correct 141 ms 39420 KB Output is correct
21 Correct 130 ms 39476 KB Output is correct
22 Correct 132 ms 39532 KB Output is correct
23 Correct 148 ms 39180 KB Output is correct
24 Correct 139 ms 39372 KB Output is correct

Subtask #4
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 37464 KB Output is correct
2 Correct 10 ms 37468 KB Output is correct
3 Correct 10 ms 37492 KB Output is correct
4 Correct 11 ms 37468 KB Output is correct
5 Correct 10 ms 37468 KB Output is correct
6 Correct 12 ms 37496 KB Output is correct
7 Correct 10 ms 37468 KB Output is correct
8 Correct 10 ms 37468 KB Output is correct
9 Correct 9 ms 37512 KB Output is correct
10 Correct 10 ms 37468 KB Output is correct
11 Correct 10 ms 37468 KB Output is correct
12 Correct 10 ms 37468 KB Output is correct
13 Correct 10 ms 37464 KB Output is correct
14 Correct 10 ms 37468 KB Output is correct
15 Correct 11 ms 37468 KB Output is correct
16 Correct 10 ms 37468 KB Output is correct
17 Correct 11 ms 37496 KB Output is correct
18 Correct 10 ms 37492 KB Output is correct
19 Correct 10 ms 37464 KB Output is correct
20 Correct 10 ms 37464 KB Output is correct
21 Correct 11 ms 37468 KB Output is correct
22 Correct 10 ms 37492 KB Output is correct
23 Correct 11 ms 37468 KB Output is correct
24 Correct 10 ms 37468 KB Output is correct
25 Correct 66 ms 40472 KB Output is correct
26 Correct 19 ms 37960 KB Output is correct
27 Correct 93 ms 41868 KB Output is correct
28 Correct 92 ms 41808 KB Output is correct
29 Correct 67 ms 40460 KB Output is correct
30 Correct 65 ms 40276 KB Output is correct
31 Correct 86 ms 41064 KB Output is correct
32 Correct 92 ms 41812 KB Output is correct
33 Correct 91 ms 41536 KB Output is correct
34 Correct 51 ms 39632 KB Output is correct
35 Correct 89 ms 41620 KB Output is correct
36 Correct 92 ms 41668 KB Output is correct
37 Correct 57 ms 39252 KB Output is correct
38 Correct 95 ms 40676 KB Output is correct
39 Correct 28 ms 37976 KB Output is correct
40 Correct 89 ms 40792 KB Output is correct
41 Correct 69 ms 39760 KB Output is correct
42 Correct 92 ms 40784 KB Output is correct
43 Correct 38 ms 38684 KB Output is correct
44 Correct 93 ms 40816 KB Output is correct
45 Correct 25 ms 37980 KB Output is correct
46 Correct 89 ms 40788 KB Output is correct
47 Correct 32 ms 38236 KB Output is correct
48 Correct 92 ms 40896 KB Output is correct
49 Correct 174 ms 42068 KB Output is correct
50 Correct 200 ms 41552 KB Output is correct
51 Correct 168 ms 42580 KB Output is correct
52 Correct 197 ms 41552 KB Output is correct
53 Correct 101 ms 41932 KB Output is correct
54 Correct 191 ms 41684 KB Output is correct
55 Correct 176 ms 42404 KB Output is correct
56 Correct 187 ms 41556 KB Output is correct
57 Correct 38 ms 38748 KB Output is correct
58 Correct 204 ms 41556 KB Output is correct
59 Correct 132 ms 42588 KB Output is correct
60 Correct 227 ms 41508 KB Output is correct
61 Correct 141 ms 39160 KB Output is correct
62 Correct 162 ms 39420 KB Output is correct
63 Correct 136 ms 39504 KB Output is correct
64 Correct 148 ms 39864 KB Output is correct
65 Correct 147 ms 39504 KB Output is correct
66 Correct 143 ms 39916 KB Output is correct
67 Correct 138 ms 39204 KB Output is correct
68 Correct 141 ms 39420 KB Output is correct
69 Correct 130 ms 39476 KB Output is correct
70 Correct 132 ms 39532 KB Output is correct
71 Correct 148 ms 39180 KB Output is correct
72 Correct 139 ms 39372 KB Output is correct
73 Correct 311 ms 46296 KB Output is correct
74 Correct 201 ms 42048 KB Output is correct
75 Correct 289 ms 47952 KB Output is correct
76 Correct 343 ms 47268 KB Output is correct
77 Correct 223 ms 45668 KB Output is correct
78 Correct 283 ms 45736 KB Output is correct
79 Correct 298 ms 47564 KB Output is correct
80 Correct 356 ms 47264 KB Output is correct
81 Correct 135 ms 43344 KB Output is correct
82 Correct 289 ms 44840 KB Output is correct
83 Correct 290 ms 47968 KB Output is correct
84 Correct 394 ms 47376 KB Output is correct
85 Correct 224 ms 42068 KB Output is correct
86 Correct 293 ms 44024 KB Output is correct
87 Correct 159 ms 40320 KB Output is correct
88 Correct 299 ms 44444 KB Output is correct
89 Correct 253 ms 43008 KB Output is correct
90 Correct 281 ms 44252 KB Output is correct
91 Correct 195 ms 41292 KB Output is correct
92 Correct 270 ms 43696 KB Output is correct
93 Correct 148 ms 40156 KB Output is correct
94 Correct 282 ms 44068 KB Output is correct
95 Correct 179 ms 40656 KB Output is correct
96 Correct 285 ms 44236 KB Output is correct