oj.uz

Submission #917351

# Submission time Handle Problem Language Result Execution time Memory
917351 2024-01-27T23:06:50 Z amirhoseinfar1385 Two Antennas (JOI19_antennas) C++17
100 / 100
 394 ms 47800 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 11 ms 37468 KB Output is correct
3 Correct 10 ms 37496 KB Output is correct
4 Correct 10 ms 37468 KB Output is correct
5 Correct 11 ms 37468 KB Output is correct
6 Correct 10 ms 37468 KB Output is correct
7 Correct 10 ms 37512 KB Output is correct
8 Correct 10 ms 37468 KB Output is correct
9 Correct 10 ms 37508 KB Output is correct
10 Correct 10 ms 37468 KB Output is correct
11 Correct 10 ms 37524 KB Output is correct
12 Correct 11 ms 37576 KB Output is correct
13 Correct 10 ms 37468 KB Output is correct
14 Correct 10 ms 37464 KB Output is correct
15 Correct 11 ms 37468 KB Output is correct
16 Correct 10 ms 37468 KB Output is correct
17 Correct 10 ms 37512 KB Output is correct
18 Correct 11 ms 37468 KB Output is correct
19 Correct 10 ms 37468 KB Output is correct
20 Correct 11 ms 37468 KB Output is correct
21 Correct 10 ms 37468 KB Output is correct
22 Correct 10 ms 37468 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 11 ms 37468 KB Output is correct
3 Correct 10 ms 37496 KB Output is correct
4 Correct 10 ms 37468 KB Output is correct
5 Correct 11 ms 37468 KB Output is correct
6 Correct 10 ms 37468 KB Output is correct
7 Correct 10 ms 37512 KB Output is correct
8 Correct 10 ms 37468 KB Output is correct
9 Correct 10 ms 37508 KB Output is correct
10 Correct 10 ms 37468 KB Output is correct
11 Correct 10 ms 37524 KB Output is correct
12 Correct 11 ms 37576 KB Output is correct
13 Correct 10 ms 37468 KB Output is correct
14 Correct 10 ms 37464 KB Output is correct
15 Correct 11 ms 37468 KB Output is correct
16 Correct 10 ms 37468 KB Output is correct
17 Correct 10 ms 37512 KB Output is correct
18 Correct 11 ms 37468 KB Output is correct
19 Correct 10 ms 37468 KB Output is correct
20 Correct 11 ms 37468 KB Output is correct
21 Correct 10 ms 37468 KB Output is correct
22 Correct 10 ms 37468 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 40636 KB Output is correct
26 Correct 19 ms 37976 KB Output is correct
27 Correct 91 ms 41812 KB Output is correct
28 Correct 106 ms 41668 KB Output is correct
29 Correct 66 ms 40460 KB Output is correct
30 Correct 74 ms 40384 KB Output is correct
31 Correct 80 ms 41296 KB Output is correct
32 Correct 113 ms 41684 KB Output is correct
33 Correct 86 ms 41532 KB Output is correct
34 Correct 61 ms 39596 KB Output is correct
35 Correct 91 ms 41620 KB Output is correct
36 Correct 95 ms 41672 KB Output is correct
37 Correct 58 ms 39248 KB Output is correct
38 Correct 99 ms 40872 KB Output is correct
39 Correct 22 ms 37980 KB Output is correct
40 Correct 91 ms 40788 KB Output is correct
41 Correct 69 ms 39916 KB Output is correct
42 Correct 90 ms 40704 KB Output is correct
43 Correct 37 ms 38480 KB Output is correct
44 Correct 101 ms 40872 KB Output is correct
45 Correct 24 ms 38160 KB Output is correct
46 Correct 90 ms 40876 KB Output is correct
47 Correct 31 ms 38444 KB Output is correct
48 Correct 90 ms 40888 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 182 ms 41896 KB Output is correct
2 Correct 189 ms 41552 KB Output is correct
3 Correct 179 ms 42848 KB Output is correct
4 Correct 201 ms 41680 KB Output is correct
5 Correct 96 ms 41936 KB Output is correct
6 Correct 239 ms 41700 KB Output is correct
7 Correct 201 ms 42172 KB Output is correct
8 Correct 223 ms 41724 KB Output is correct
9 Correct 38 ms 38748 KB Output is correct
10 Correct 210 ms 41692 KB Output is correct
11 Correct 167 ms 42732 KB Output is correct
12 Correct 218 ms 41724 KB Output is correct
13 Correct 151 ms 39352 KB Output is correct
14 Correct 133 ms 39420 KB Output is correct
15 Correct 132 ms 39508 KB Output is correct
16 Correct 159 ms 39868 KB Output is correct
17 Correct 155 ms 39648 KB Output is correct
18 Correct 142 ms 39888 KB Output is correct
19 Correct 140 ms 39208 KB Output is correct
20 Correct 151 ms 39456 KB Output is correct
21 Correct 127 ms 39168 KB Output is correct
22 Correct 130 ms 39344 KB Output is correct
23 Correct 134 ms 39188 KB Output is correct
24 Correct 145 ms 39480 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 11 ms 37468 KB Output is correct
3 Correct 10 ms 37496 KB Output is correct
4 Correct 10 ms 37468 KB Output is correct
5 Correct 11 ms 37468 KB Output is correct
6 Correct 10 ms 37468 KB Output is correct
7 Correct 10 ms 37512 KB Output is correct
8 Correct 10 ms 37468 KB Output is correct
9 Correct 10 ms 37508 KB Output is correct
10 Correct 10 ms 37468 KB Output is correct
11 Correct 10 ms 37524 KB Output is correct
12 Correct 11 ms 37576 KB Output is correct
13 Correct 10 ms 37468 KB Output is correct
14 Correct 10 ms 37464 KB Output is correct
15 Correct 11 ms 37468 KB Output is correct
16 Correct 10 ms 37468 KB Output is correct
17 Correct 10 ms 37512 KB Output is correct
18 Correct 11 ms 37468 KB Output is correct
19 Correct 10 ms 37468 KB Output is correct
20 Correct 11 ms 37468 KB Output is correct
21 Correct 10 ms 37468 KB Output is correct
22 Correct 10 ms 37468 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 40636 KB Output is correct
26 Correct 19 ms 37976 KB Output is correct
27 Correct 91 ms 41812 KB Output is correct
28 Correct 106 ms 41668 KB Output is correct
29 Correct 66 ms 40460 KB Output is correct
30 Correct 74 ms 40384 KB Output is correct
31 Correct 80 ms 41296 KB Output is correct
32 Correct 113 ms 41684 KB Output is correct
33 Correct 86 ms 41532 KB Output is correct
34 Correct 61 ms 39596 KB Output is correct
35 Correct 91 ms 41620 KB Output is correct
36 Correct 95 ms 41672 KB Output is correct
37 Correct 58 ms 39248 KB Output is correct
38 Correct 99 ms 40872 KB Output is correct
39 Correct 22 ms 37980 KB Output is correct
40 Correct 91 ms 40788 KB Output is correct
41 Correct 69 ms 39916 KB Output is correct
42 Correct 90 ms 40704 KB Output is correct
43 Correct 37 ms 38480 KB Output is correct
44 Correct 101 ms 40872 KB Output is correct
45 Correct 24 ms 38160 KB Output is correct
46 Correct 90 ms 40876 KB Output is correct
47 Correct 31 ms 38444 KB Output is correct
48 Correct 90 ms 40888 KB Output is correct
49 Correct 182 ms 41896 KB Output is correct
50 Correct 189 ms 41552 KB Output is correct
51 Correct 179 ms 42848 KB Output is correct
52 Correct 201 ms 41680 KB Output is correct
53 Correct 96 ms 41936 KB Output is correct
54 Correct 239 ms 41700 KB Output is correct
55 Correct 201 ms 42172 KB Output is correct
56 Correct 223 ms 41724 KB Output is correct
57 Correct 38 ms 38748 KB Output is correct
58 Correct 210 ms 41692 KB Output is correct
59 Correct 167 ms 42732 KB Output is correct
60 Correct 218 ms 41724 KB Output is correct
61 Correct 151 ms 39352 KB Output is correct
62 Correct 133 ms 39420 KB Output is correct
63 Correct 132 ms 39508 KB Output is correct
64 Correct 159 ms 39868 KB Output is correct
65 Correct 155 ms 39648 KB Output is correct
66 Correct 142 ms 39888 KB Output is correct
67 Correct 140 ms 39208 KB Output is correct
68 Correct 151 ms 39456 KB Output is correct
69 Correct 127 ms 39168 KB Output is correct
70 Correct 130 ms 39344 KB Output is correct
71 Correct 134 ms 39188 KB Output is correct
72 Correct 145 ms 39480 KB Output is correct
73 Correct 299 ms 46420 KB Output is correct
74 Correct 196 ms 42068 KB Output is correct
75 Correct 285 ms 47740 KB Output is correct
76 Correct 365 ms 47188 KB Output is correct
77 Correct 222 ms 45680 KB Output is correct
78 Correct 322 ms 45768 KB Output is correct
79 Correct 333 ms 47576 KB Output is correct
80 Correct 358 ms 47184 KB Output is correct
81 Correct 157 ms 43396 KB Output is correct
82 Correct 295 ms 44672 KB Output is correct
83 Correct 278 ms 47800 KB Output is correct
84 Correct 394 ms 47436 KB Output is correct
85 Correct 246 ms 42072 KB Output is correct
86 Correct 294 ms 43732 KB Output is correct
87 Correct 163 ms 40316 KB Output is correct
88 Correct 317 ms 44624 KB Output is correct
89 Correct 258 ms 43008 KB Output is correct
90 Correct 299 ms 44624 KB Output is correct
91 Correct 211 ms 41032 KB Output is correct
92 Correct 281 ms 43836 KB Output is correct
93 Correct 156 ms 40156 KB Output is correct
94 Correct 286 ms 44008 KB Output is correct
95 Correct 178 ms 40704 KB Output is correct
96 Correct 315 ms 43976 KB Output is correct