답안 #467951

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
467951	2021-08-25T17:41:55 Z	ivan_tudor	Global Warming (CEOI18_glo)	C++14	100 / 100	1041 ms	129848 KB

#include<bits/stdc++.h>
using namespace std;
const int VMAX = 1e9;
struct aintnode{
  int l, r;
  int mval;
  aintnode *ls, *rs;
  aintnode(int _l, int _r){
    l = _l;
    r = _r;
    mval = 0;
    ls = rs  = NULL;
  }
};
void update(aintnode *node, int poz, int val){
  int l = node->l, r = node->r;
  if(poz < l || poz > r)
    return;
  if(l == r){
    node->mval = val;
    return;
  }
  int mid = (l + r)/2;
  if(poz <= mid){
    if(node->ls == NULL)
      node->ls = new aintnode(l, mid);
    update(node->ls, poz, val);
  }
  else{
    if(node->rs == NULL)
      node->rs = new aintnode(mid +1, r);
    update(node->rs, poz, val);
  }
  node->mval = 0;
  if(node->ls != NULL)
    node->mval = max(node->mval, node->ls->mval);
  if(node->rs != NULL)
    node->mval = max(node->mval, node->rs->mval);
}
int query(aintnode *node, int ql, int qr){
  if(node == NULL)
    return 0;
  if(qr < node->l || ql > node->r)
    return 0;
  if(ql <= node->l && node->r <= qr)
    return node->mval;
  return max(query(node->ls, ql, qr), query(node->rs, ql, qr));
}
void clr(aintnode *node){
  if(node->ls != NULL)
    clr(node->ls);
  if(node->rs != NULL)
    clr(node->rs);
  delete node;
}
const int N = 200005;
int v[N];
int r[N];
int main()
{
  //freopen(".in","r",stdin);
  ios::sync_with_stdio(false);
  cin.tie(0),cout.tie(0);
  int n, d;
  cin>>n>>d;
  for(int i = 1; i<=n; i++){
    cin>>v[i];
  }
  aintnode *root = new aintnode(1, VMAX);
  for(int i = n; i>=1; i--){
    int lenmax = query(root, v[i] + 1, VMAX);
    r[i] = lenmax + 1;
    update(root, v[i], r[i]);
  }
  clr(root);
  root = new aintnode(1, VMAX);
  int ans = 0;
  for(int i = 1; i<=n; i++){
    int lmaxd = query(root, 1, v[i] + d - 1);
    ans = max(ans, lmaxd + r[i]);
    int lenm = query(root, 1, v[i] - 1);
    update(root, v[i], lenm + 1);
  }
  cout<<ans;
  return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	292 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	292 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	320 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	292 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	320 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	4 ms	1308 KB	Output is correct
20	Correct	4 ms	1228 KB	Output is correct
21	Correct	6 ms	1228 KB	Output is correct
22	Correct	4 ms	1228 KB	Output is correct
23	Correct	3 ms	836 KB	Output is correct
24	Correct	3 ms	844 KB	Output is correct
25	Correct	2 ms	332 KB	Output is correct
26	Correct	2 ms	316 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1027 ms	129708 KB	Output is correct
2	Correct	1020 ms	129708 KB	Output is correct
3	Correct	991 ms	129848 KB	Output is correct
4	Correct	961 ms	129724 KB	Output is correct
5	Correct	443 ms	70596 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	214 ms	37380 KB	Output is correct
2	Correct	267 ms	37348 KB	Output is correct
3	Correct	219 ms	37316 KB	Output is correct
4	Correct	105 ms	20152 KB	Output is correct
5	Correct	0 ms	332 KB	Output is correct
6	Correct	80 ms	4500 KB	Output is correct
7	Correct	158 ms	26896 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	425 ms	69752 KB	Output is correct
2	Correct	451 ms	69612 KB	Output is correct
3	Correct	981 ms	129664 KB	Output is correct
4	Correct	361 ms	70700 KB	Output is correct
5	Correct	153 ms	10996 KB	Output is correct
6	Correct	276 ms	20828 KB	Output is correct
7	Correct	273 ms	21484 KB	Output is correct
8	Correct	303 ms	50372 KB	Output is correct

Subtask #7
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	292 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	320 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	4 ms	1308 KB	Output is correct
20	Correct	4 ms	1228 KB	Output is correct
21	Correct	6 ms	1228 KB	Output is correct
22	Correct	4 ms	1228 KB	Output is correct
23	Correct	3 ms	836 KB	Output is correct
24	Correct	3 ms	844 KB	Output is correct
25	Correct	2 ms	332 KB	Output is correct
26	Correct	2 ms	316 KB	Output is correct
27	Correct	1027 ms	129708 KB	Output is correct
28	Correct	1020 ms	129708 KB	Output is correct
29	Correct	991 ms	129848 KB	Output is correct
30	Correct	961 ms	129724 KB	Output is correct
31	Correct	443 ms	70596 KB	Output is correct
32	Correct	214 ms	37380 KB	Output is correct
33	Correct	267 ms	37348 KB	Output is correct
34	Correct	219 ms	37316 KB	Output is correct
35	Correct	105 ms	20152 KB	Output is correct
36	Correct	0 ms	332 KB	Output is correct
37	Correct	80 ms	4500 KB	Output is correct
38	Correct	158 ms	26896 KB	Output is correct
39	Correct	425 ms	69752 KB	Output is correct
40	Correct	451 ms	69612 KB	Output is correct
41	Correct	981 ms	129664 KB	Output is correct
42	Correct	361 ms	70700 KB	Output is correct
43	Correct	153 ms	10996 KB	Output is correct
44	Correct	276 ms	20828 KB	Output is correct
45	Correct	273 ms	21484 KB	Output is correct
46	Correct	303 ms	50372 KB	Output is correct
47	Correct	471 ms	69684 KB	Output is correct
48	Correct	461 ms	69760 KB	Output is correct
49	Correct	1041 ms	129732 KB	Output is correct
50	Correct	459 ms	70596 KB	Output is correct
51	Correct	230 ms	11732 KB	Output is correct
52	Correct	349 ms	21924 KB	Output is correct
53	Correct	287 ms	22008 KB	Output is correct
54	Correct	321 ms	22640 KB	Output is correct
55	Correct	715 ms	94132 KB	Output is correct

답안 #467951

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 10.0 / 10.0

Subtask #3 13.0 / 13.0

Subtask #4 10.0 / 10.0

Subtask #5 20.0 / 20.0

Subtask #6 17.0 / 17.0

Subtask #7 25.0 / 25.0

Subtask #1
5.0 / 5.0

Subtask #2
10.0 / 10.0

Subtask #3
13.0 / 13.0

Subtask #4
10.0 / 10.0

Subtask #5
20.0 / 20.0

Subtask #6
17.0 / 17.0

Subtask #7
25.0 / 25.0