#include<bits/stdc++.h>
#include "towers.h"
using namespace std;
#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()
struct segtree{
vector<int>u,d;
void init(int n,vector<int>h){
u=h;
d.resize(4*n);
build(1,0,n-1);
}
void build(int v,int l,int r){
if(l==r){
d[v]=u[l];
return;
}
int mid=(l+r)>>1;
build(v*2,l,mid);
build(v*2+1,mid+1,r);
d[v]=max(d[v*2],d[v*2+1]);
}
int query(int v,int l,int r,int L,int R){
if(R<L||r<L||R<l) return 0;
if(L<=l&&r<=R){
return d[v];
}
int mid=(l+r)>>1;
return max(query(v*2,l,mid,L,R),query(v*2+1,mid+1,r,L,R));
}
};
segtree sg;
int n;
vector<int>h;
vector<pair<int,int>>v;
vector<bool>used;
void init(int N,vector<int>H){
n=N; h=H;
used.resize(n);
for(int i=0;i<n;i++){
v.pb({H[i],i});
}
sort(all(v));
sg.init(n,h);
}
int max_towers(int L,int R,int D){
int ans=0;
set<int>st;
st.insert(-1);
st.insert(n);
for(auto [x,i]:v){
if(i<L||i>R) continue;
bool add=true;
auto it=st.lower_bound(i); it--;
if(*it!=-1){
if(sg.query(1,0,n-1,(*it)+1,i-1)<x+D){
add=false;
}
}
it++;
if(*it!=n){
if(sg.query(1,0,n-1,i+1,(*it)-1)<x+D){
add=false;
}
}
if(add){
ans++;
st.insert(i);
}
}
return ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
4009 ms |
3024 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
480 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
344 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
0 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
344 KB |
Output is correct |
14 |
Correct |
0 ms |
344 KB |
Output is correct |
15 |
Correct |
1 ms |
344 KB |
Output is correct |
16 |
Correct |
1 ms |
344 KB |
Output is correct |
17 |
Correct |
1 ms |
344 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
19 |
Correct |
1 ms |
344 KB |
Output is correct |
20 |
Correct |
1 ms |
344 KB |
Output is correct |
21 |
Correct |
2 ms |
344 KB |
Output is correct |
22 |
Correct |
1 ms |
344 KB |
Output is correct |
23 |
Correct |
1 ms |
344 KB |
Output is correct |
24 |
Correct |
1 ms |
344 KB |
Output is correct |
25 |
Correct |
1 ms |
344 KB |
Output is correct |
26 |
Correct |
1 ms |
344 KB |
Output is correct |
27 |
Correct |
1 ms |
344 KB |
Output is correct |
28 |
Correct |
1 ms |
440 KB |
Output is correct |
29 |
Correct |
1 ms |
344 KB |
Output is correct |
30 |
Correct |
1 ms |
344 KB |
Output is correct |
31 |
Correct |
1 ms |
344 KB |
Output is correct |
32 |
Correct |
1 ms |
344 KB |
Output is correct |
33 |
Correct |
1 ms |
344 KB |
Output is correct |
34 |
Correct |
1 ms |
344 KB |
Output is correct |
35 |
Correct |
1 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
480 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
344 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
0 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
344 KB |
Output is correct |
14 |
Correct |
0 ms |
344 KB |
Output is correct |
15 |
Correct |
1 ms |
344 KB |
Output is correct |
16 |
Correct |
1 ms |
344 KB |
Output is correct |
17 |
Correct |
1 ms |
344 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
19 |
Correct |
1 ms |
344 KB |
Output is correct |
20 |
Correct |
1 ms |
344 KB |
Output is correct |
21 |
Correct |
2 ms |
344 KB |
Output is correct |
22 |
Correct |
1 ms |
344 KB |
Output is correct |
23 |
Correct |
1 ms |
344 KB |
Output is correct |
24 |
Correct |
1 ms |
344 KB |
Output is correct |
25 |
Correct |
1 ms |
344 KB |
Output is correct |
26 |
Correct |
1 ms |
344 KB |
Output is correct |
27 |
Correct |
1 ms |
344 KB |
Output is correct |
28 |
Correct |
1 ms |
440 KB |
Output is correct |
29 |
Correct |
1 ms |
344 KB |
Output is correct |
30 |
Correct |
1 ms |
344 KB |
Output is correct |
31 |
Correct |
1 ms |
344 KB |
Output is correct |
32 |
Correct |
1 ms |
344 KB |
Output is correct |
33 |
Correct |
1 ms |
344 KB |
Output is correct |
34 |
Correct |
1 ms |
344 KB |
Output is correct |
35 |
Correct |
1 ms |
344 KB |
Output is correct |
36 |
Correct |
17 ms |
3024 KB |
Output is correct |
37 |
Correct |
29 ms |
4548 KB |
Output is correct |
38 |
Correct |
22 ms |
4556 KB |
Output is correct |
39 |
Correct |
27 ms |
4556 KB |
Output is correct |
40 |
Correct |
20 ms |
4556 KB |
Output is correct |
41 |
Correct |
47 ms |
4648 KB |
Output is correct |
42 |
Correct |
18 ms |
4556 KB |
Output is correct |
43 |
Correct |
20 ms |
4556 KB |
Output is correct |
44 |
Correct |
13 ms |
4556 KB |
Output is correct |
45 |
Correct |
13 ms |
4520 KB |
Output is correct |
46 |
Correct |
12 ms |
4556 KB |
Output is correct |
47 |
Correct |
28 ms |
4548 KB |
Output is correct |
48 |
Correct |
23 ms |
4556 KB |
Output is correct |
49 |
Correct |
19 ms |
4556 KB |
Output is correct |
50 |
Correct |
14 ms |
4636 KB |
Output is correct |
51 |
Correct |
16 ms |
4556 KB |
Output is correct |
52 |
Correct |
57 ms |
5420 KB |
Output is correct |
53 |
Correct |
53 ms |
6204 KB |
Output is correct |
54 |
Correct |
59 ms |
6216 KB |
Output is correct |
55 |
Correct |
24 ms |
4556 KB |
Output is correct |
56 |
Correct |
30 ms |
4628 KB |
Output is correct |
57 |
Correct |
52 ms |
4524 KB |
Output is correct |
58 |
Correct |
57 ms |
4720 KB |
Output is correct |
59 |
Correct |
55 ms |
5128 KB |
Output is correct |
60 |
Correct |
54 ms |
6068 KB |
Output is correct |
61 |
Correct |
53 ms |
5936 KB |
Output is correct |
62 |
Correct |
54 ms |
5180 KB |
Output is correct |
63 |
Correct |
53 ms |
5948 KB |
Output is correct |
64 |
Correct |
29 ms |
4556 KB |
Output is correct |
65 |
Correct |
24 ms |
4556 KB |
Output is correct |
66 |
Correct |
40 ms |
4808 KB |
Output is correct |
67 |
Correct |
31 ms |
4556 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
4081 ms |
5440 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
4069 ms |
1636 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
480 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
344 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
0 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
344 KB |
Output is correct |
14 |
Correct |
0 ms |
344 KB |
Output is correct |
15 |
Correct |
1 ms |
344 KB |
Output is correct |
16 |
Correct |
1 ms |
344 KB |
Output is correct |
17 |
Correct |
1 ms |
344 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
19 |
Correct |
1 ms |
344 KB |
Output is correct |
20 |
Correct |
1 ms |
344 KB |
Output is correct |
21 |
Correct |
2 ms |
344 KB |
Output is correct |
22 |
Correct |
1 ms |
344 KB |
Output is correct |
23 |
Correct |
1 ms |
344 KB |
Output is correct |
24 |
Correct |
1 ms |
344 KB |
Output is correct |
25 |
Correct |
1 ms |
344 KB |
Output is correct |
26 |
Correct |
1 ms |
344 KB |
Output is correct |
27 |
Correct |
1 ms |
344 KB |
Output is correct |
28 |
Correct |
1 ms |
440 KB |
Output is correct |
29 |
Correct |
1 ms |
344 KB |
Output is correct |
30 |
Correct |
1 ms |
344 KB |
Output is correct |
31 |
Correct |
1 ms |
344 KB |
Output is correct |
32 |
Correct |
1 ms |
344 KB |
Output is correct |
33 |
Correct |
1 ms |
344 KB |
Output is correct |
34 |
Correct |
1 ms |
344 KB |
Output is correct |
35 |
Correct |
1 ms |
344 KB |
Output is correct |
36 |
Correct |
17 ms |
3024 KB |
Output is correct |
37 |
Correct |
29 ms |
4548 KB |
Output is correct |
38 |
Correct |
22 ms |
4556 KB |
Output is correct |
39 |
Correct |
27 ms |
4556 KB |
Output is correct |
40 |
Correct |
20 ms |
4556 KB |
Output is correct |
41 |
Correct |
47 ms |
4648 KB |
Output is correct |
42 |
Correct |
18 ms |
4556 KB |
Output is correct |
43 |
Correct |
20 ms |
4556 KB |
Output is correct |
44 |
Correct |
13 ms |
4556 KB |
Output is correct |
45 |
Correct |
13 ms |
4520 KB |
Output is correct |
46 |
Correct |
12 ms |
4556 KB |
Output is correct |
47 |
Correct |
28 ms |
4548 KB |
Output is correct |
48 |
Correct |
23 ms |
4556 KB |
Output is correct |
49 |
Correct |
19 ms |
4556 KB |
Output is correct |
50 |
Correct |
14 ms |
4636 KB |
Output is correct |
51 |
Correct |
16 ms |
4556 KB |
Output is correct |
52 |
Correct |
57 ms |
5420 KB |
Output is correct |
53 |
Correct |
53 ms |
6204 KB |
Output is correct |
54 |
Correct |
59 ms |
6216 KB |
Output is correct |
55 |
Correct |
24 ms |
4556 KB |
Output is correct |
56 |
Correct |
30 ms |
4628 KB |
Output is correct |
57 |
Correct |
52 ms |
4524 KB |
Output is correct |
58 |
Correct |
57 ms |
4720 KB |
Output is correct |
59 |
Correct |
55 ms |
5128 KB |
Output is correct |
60 |
Correct |
54 ms |
6068 KB |
Output is correct |
61 |
Correct |
53 ms |
5936 KB |
Output is correct |
62 |
Correct |
54 ms |
5180 KB |
Output is correct |
63 |
Correct |
53 ms |
5948 KB |
Output is correct |
64 |
Correct |
29 ms |
4556 KB |
Output is correct |
65 |
Correct |
24 ms |
4556 KB |
Output is correct |
66 |
Correct |
40 ms |
4808 KB |
Output is correct |
67 |
Correct |
31 ms |
4556 KB |
Output is correct |
68 |
Execution timed out |
4081 ms |
5440 KB |
Time limit exceeded |
69 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
4009 ms |
3024 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |