답안 #1035542

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1035542	2024-07-26T11:47:57 Z	aymanrs	송신탑 (IOI22_towers)	C++17	37 / 100	4000 ms	22020 KB

towers

#include "towers.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> pr, h;
const int K = 17;
vector<pair<int, int>> sp[K];
vector<int> spm[K];
inline int msb(int x){
    return 31-__builtin_clz(x);
}
int que(int l, int r){
  int d = msb(r-l+1);
  return max(sp[d][l], sp[d][r-(1<<d)+1]).second;
}
int qum(int l, int r){
  int d = msb(r-l+1);
  return min(spm[d][l], spm[d][r-(1<<d)+1]);
}
void init(int N, std::vector<int> H) {
  h = H;
  pr.resize(N);
  pr[0]=0;
  for(int i = 0;i < K;i++) {
    sp[i].resize(N);
    spm[i].resize(N);
  }
  for(int i = 0;i < N;i++){
    sp[0][i] = {H[i], i};spm[0][i]=H[i];
  }
  for(int k = 1;k < K;k++){
    for(int i = 0;i+(1<<k)<=N;i++){
      sp[k][i] = max(sp[k-1][i], sp[k-1][i+(1<<k-1)]);
      spm[k][i] = min(spm[k-1][i], spm[k-1][i+(1<<k-1)]);
    }
  }
  for(int i = 1;i < N-1;i++){
    pr[i]=pr[i-1];
    if(H[i] < H[i-1] && H[i] < H[i+1]) pr[i]++;
  }
}
int de;
int ans(int l, int r, int atm){
  if(l==r){
    if(h[l]<=atm) return 1;
    return 0;
  }
  int m = que(l, r);
  if(l==m) return ans(l+1, r, atm);
  if(m==r) return ans(l, r-1, atm);
  return max(ans(l, m-1, h[m]-de)+ans(m+1, r, h[m]-de), (qum(l,r) <= atm ? 1 : 0));
}
int max_towers(int L, int R, int D) {
  de = D;
  if(L+1>=R) return 1;
  if(D==1) return pr[R-1]-pr[L]+(h[L] < h[L+1])+(h[R]<h[R-1]);
  return ans(L, R, INT_MAX);
}

Compilation message

towers.cpp: In function 'void init(int, std::vector<int>)':
towers.cpp:32:49: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   32 |       sp[k][i] = max(sp[k-1][i], sp[k-1][i+(1<<k-1)]);
      |                                                ~^~
towers.cpp:33:52: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   33 |       spm[k][i] = min(spm[k-1][i], spm[k-1][i+(1<<k-1)]);
      |                                                   ~^~

Subtask #1
0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3667 ms	13144 KB	Output is correct
2	Execution timed out	4053 ms	21848 KB	Time limit exceeded
3	Halted	0 ms	0 KB	-

Subtask #2
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	856 KB	Output is correct
3	Correct	1 ms	856 KB	Output is correct
4	Correct	1 ms	856 KB	Output is correct
5	Correct	1 ms	856 KB	Output is correct
6	Correct	1 ms	856 KB	Output is correct
7	Correct	1 ms	856 KB	Output is correct
8	Correct	1 ms	856 KB	Output is correct
9	Correct	1 ms	856 KB	Output is correct
10	Correct	1 ms	856 KB	Output is correct
11	Correct	1 ms	856 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	1 ms	856 KB	Output is correct
14	Correct	1 ms	856 KB	Output is correct
15	Correct	1 ms	856 KB	Output is correct
16	Correct	1 ms	856 KB	Output is correct
17	Correct	1 ms	856 KB	Output is correct
18	Correct	1 ms	856 KB	Output is correct
19	Correct	1 ms	856 KB	Output is correct
20	Correct	1 ms	852 KB	Output is correct
21	Correct	1 ms	856 KB	Output is correct
22	Correct	1 ms	856 KB	Output is correct
23	Correct	1 ms	856 KB	Output is correct
24	Correct	1 ms	856 KB	Output is correct
25	Correct	1 ms	600 KB	Output is correct
26	Correct	1 ms	856 KB	Output is correct
27	Correct	1 ms	856 KB	Output is correct
28	Correct	1 ms	856 KB	Output is correct
29	Correct	1 ms	856 KB	Output is correct
30	Correct	1 ms	856 KB	Output is correct
31	Correct	1 ms	856 KB	Output is correct
32	Correct	1 ms	856 KB	Output is correct
33	Correct	1 ms	856 KB	Output is correct
34	Correct	1 ms	856 KB	Output is correct
35	Correct	1 ms	856 KB	Output is correct

Subtask #3
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	856 KB	Output is correct
3	Correct	1 ms	856 KB	Output is correct
4	Correct	1 ms	856 KB	Output is correct
5	Correct	1 ms	856 KB	Output is correct
6	Correct	1 ms	856 KB	Output is correct
7	Correct	1 ms	856 KB	Output is correct
8	Correct	1 ms	856 KB	Output is correct
9	Correct	1 ms	856 KB	Output is correct
10	Correct	1 ms	856 KB	Output is correct
11	Correct	1 ms	856 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	1 ms	856 KB	Output is correct
14	Correct	1 ms	856 KB	Output is correct
15	Correct	1 ms	856 KB	Output is correct
16	Correct	1 ms	856 KB	Output is correct
17	Correct	1 ms	856 KB	Output is correct
18	Correct	1 ms	856 KB	Output is correct
19	Correct	1 ms	856 KB	Output is correct
20	Correct	1 ms	852 KB	Output is correct
21	Correct	1 ms	856 KB	Output is correct
22	Correct	1 ms	856 KB	Output is correct
23	Correct	1 ms	856 KB	Output is correct
24	Correct	1 ms	856 KB	Output is correct
25	Correct	1 ms	600 KB	Output is correct
26	Correct	1 ms	856 KB	Output is correct
27	Correct	1 ms	856 KB	Output is correct
28	Correct	1 ms	856 KB	Output is correct
29	Correct	1 ms	856 KB	Output is correct
30	Correct	1 ms	856 KB	Output is correct
31	Correct	1 ms	856 KB	Output is correct
32	Correct	1 ms	856 KB	Output is correct
33	Correct	1 ms	856 KB	Output is correct
34	Correct	1 ms	856 KB	Output is correct
35	Correct	1 ms	856 KB	Output is correct
36	Correct	23 ms	14512 KB	Output is correct
37	Correct	27 ms	21848 KB	Output is correct
38	Correct	22 ms	21848 KB	Output is correct
39	Correct	21 ms	21848 KB	Output is correct
40	Correct	30 ms	21912 KB	Output is correct
41	Correct	20 ms	21848 KB	Output is correct
42	Correct	27 ms	21848 KB	Output is correct
43	Correct	25 ms	21848 KB	Output is correct
44	Correct	17 ms	21848 KB	Output is correct
45	Correct	18 ms	21848 KB	Output is correct
46	Correct	17 ms	21848 KB	Output is correct
47	Correct	32 ms	21840 KB	Output is correct
48	Correct	33 ms	21848 KB	Output is correct
49	Correct	21 ms	21844 KB	Output is correct
50	Correct	26 ms	21812 KB	Output is correct
51	Correct	19 ms	21848 KB	Output is correct
52	Correct	34 ms	21840 KB	Output is correct
53	Correct	19 ms	21848 KB	Output is correct
54	Correct	18 ms	21848 KB	Output is correct
55	Correct	25 ms	21848 KB	Output is correct
56	Correct	19 ms	21848 KB	Output is correct
57	Correct	19 ms	21080 KB	Output is correct
58	Correct	28 ms	21808 KB	Output is correct
59	Correct	30 ms	21912 KB	Output is correct
60	Correct	27 ms	21848 KB	Output is correct
61	Correct	26 ms	21908 KB	Output is correct
62	Correct	26 ms	22016 KB	Output is correct
63	Correct	27 ms	21800 KB	Output is correct
64	Correct	26 ms	21780 KB	Output is correct
65	Correct	27 ms	21956 KB	Output is correct
66	Correct	19 ms	21848 KB	Output is correct
67	Correct	20 ms	22020 KB	Output is correct

Subtask #4
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	383 ms	21592 KB	Output is correct
2	Correct	503 ms	21816 KB	Output is correct
3	Correct	606 ms	21780 KB	Output is correct
4	Correct	575 ms	21788 KB	Output is correct
5	Correct	500 ms	21848 KB	Output is correct
6	Correct	492 ms	21816 KB	Output is correct
7	Correct	528 ms	21848 KB	Output is correct
8	Correct	642 ms	21828 KB	Output is correct
9	Correct	507 ms	22016 KB	Output is correct
10	Correct	540 ms	21820 KB	Output is correct
11	Correct	668 ms	21848 KB	Output is correct
12	Correct	634 ms	21848 KB	Output is correct
13	Correct	680 ms	21848 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	2 ms	856 KB	Output is correct
16	Correct	2 ms	1112 KB	Output is correct
17	Correct	20 ms	21820 KB	Output is correct
18	Correct	20 ms	21848 KB	Output is correct
19	Correct	33 ms	21848 KB	Output is correct
20	Correct	24 ms	22012 KB	Output is correct
21	Correct	25 ms	21920 KB	Output is correct
22	Correct	20 ms	21848 KB	Output is correct
23	Correct	19 ms	21848 KB	Output is correct
24	Correct	26 ms	21840 KB	Output is correct
25	Correct	19 ms	21848 KB	Output is correct
26	Correct	23 ms	21848 KB	Output is correct
27	Correct	2 ms	856 KB	Output is correct
28	Correct	2 ms	856 KB	Output is correct
29	Correct	1 ms	856 KB	Output is correct
30	Correct	1 ms	856 KB	Output is correct
31	Correct	1 ms	664 KB	Output is correct
32	Correct	2 ms	856 KB	Output is correct
33	Correct	1 ms	856 KB	Output is correct
34	Correct	2 ms	856 KB	Output is correct
35	Correct	1 ms	856 KB	Output is correct
36	Correct	1 ms	856 KB	Output is correct

Subtask #5
0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	4046 ms	5464 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #6
0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	856 KB	Output is correct
3	Correct	1 ms	856 KB	Output is correct
4	Correct	1 ms	856 KB	Output is correct
5	Correct	1 ms	856 KB	Output is correct
6	Correct	1 ms	856 KB	Output is correct
7	Correct	1 ms	856 KB	Output is correct
8	Correct	1 ms	856 KB	Output is correct
9	Correct	1 ms	856 KB	Output is correct
10	Correct	1 ms	856 KB	Output is correct
11	Correct	1 ms	856 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	1 ms	856 KB	Output is correct
14	Correct	1 ms	856 KB	Output is correct
15	Correct	1 ms	856 KB	Output is correct
16	Correct	1 ms	856 KB	Output is correct
17	Correct	1 ms	856 KB	Output is correct
18	Correct	1 ms	856 KB	Output is correct
19	Correct	1 ms	856 KB	Output is correct
20	Correct	1 ms	852 KB	Output is correct
21	Correct	1 ms	856 KB	Output is correct
22	Correct	1 ms	856 KB	Output is correct
23	Correct	1 ms	856 KB	Output is correct
24	Correct	1 ms	856 KB	Output is correct
25	Correct	1 ms	600 KB	Output is correct
26	Correct	1 ms	856 KB	Output is correct
27	Correct	1 ms	856 KB	Output is correct
28	Correct	1 ms	856 KB	Output is correct
29	Correct	1 ms	856 KB	Output is correct
30	Correct	1 ms	856 KB	Output is correct
31	Correct	1 ms	856 KB	Output is correct
32	Correct	1 ms	856 KB	Output is correct
33	Correct	1 ms	856 KB	Output is correct
34	Correct	1 ms	856 KB	Output is correct
35	Correct	1 ms	856 KB	Output is correct
36	Correct	23 ms	14512 KB	Output is correct
37	Correct	27 ms	21848 KB	Output is correct
38	Correct	22 ms	21848 KB	Output is correct
39	Correct	21 ms	21848 KB	Output is correct
40	Correct	30 ms	21912 KB	Output is correct
41	Correct	20 ms	21848 KB	Output is correct
42	Correct	27 ms	21848 KB	Output is correct
43	Correct	25 ms	21848 KB	Output is correct
44	Correct	17 ms	21848 KB	Output is correct
45	Correct	18 ms	21848 KB	Output is correct
46	Correct	17 ms	21848 KB	Output is correct
47	Correct	32 ms	21840 KB	Output is correct
48	Correct	33 ms	21848 KB	Output is correct
49	Correct	21 ms	21844 KB	Output is correct
50	Correct	26 ms	21812 KB	Output is correct
51	Correct	19 ms	21848 KB	Output is correct
52	Correct	34 ms	21840 KB	Output is correct
53	Correct	19 ms	21848 KB	Output is correct
54	Correct	18 ms	21848 KB	Output is correct
55	Correct	25 ms	21848 KB	Output is correct
56	Correct	19 ms	21848 KB	Output is correct
57	Correct	19 ms	21080 KB	Output is correct
58	Correct	28 ms	21808 KB	Output is correct
59	Correct	30 ms	21912 KB	Output is correct
60	Correct	27 ms	21848 KB	Output is correct
61	Correct	26 ms	21908 KB	Output is correct
62	Correct	26 ms	22016 KB	Output is correct
63	Correct	27 ms	21800 KB	Output is correct
64	Correct	26 ms	21780 KB	Output is correct
65	Correct	27 ms	21956 KB	Output is correct
66	Correct	19 ms	21848 KB	Output is correct
67	Correct	20 ms	22020 KB	Output is correct
68	Correct	383 ms	21592 KB	Output is correct
69	Correct	503 ms	21816 KB	Output is correct
70	Correct	606 ms	21780 KB	Output is correct
71	Correct	575 ms	21788 KB	Output is correct
72	Correct	500 ms	21848 KB	Output is correct
73	Correct	492 ms	21816 KB	Output is correct
74	Correct	528 ms	21848 KB	Output is correct
75	Correct	642 ms	21828 KB	Output is correct
76	Correct	507 ms	22016 KB	Output is correct
77	Correct	540 ms	21820 KB	Output is correct
78	Correct	668 ms	21848 KB	Output is correct
79	Correct	634 ms	21848 KB	Output is correct
80	Correct	680 ms	21848 KB	Output is correct
81	Correct	1 ms	344 KB	Output is correct
82	Correct	2 ms	856 KB	Output is correct
83	Correct	2 ms	1112 KB	Output is correct
84	Correct	20 ms	21820 KB	Output is correct
85	Correct	20 ms	21848 KB	Output is correct
86	Correct	33 ms	21848 KB	Output is correct
87	Correct	24 ms	22012 KB	Output is correct
88	Correct	25 ms	21920 KB	Output is correct
89	Correct	20 ms	21848 KB	Output is correct
90	Correct	19 ms	21848 KB	Output is correct
91	Correct	26 ms	21840 KB	Output is correct
92	Correct	19 ms	21848 KB	Output is correct
93	Correct	23 ms	21848 KB	Output is correct
94	Correct	2 ms	856 KB	Output is correct
95	Correct	2 ms	856 KB	Output is correct
96	Correct	1 ms	856 KB	Output is correct
97	Correct	1 ms	856 KB	Output is correct
98	Correct	1 ms	664 KB	Output is correct
99	Correct	2 ms	856 KB	Output is correct
100	Correct	1 ms	856 KB	Output is correct
101	Correct	2 ms	856 KB	Output is correct
102	Correct	1 ms	856 KB	Output is correct
103	Correct	1 ms	856 KB	Output is correct
104	Execution timed out	4018 ms	19544 KB	Time limit exceeded
105	Halted	0 ms	0 KB	-

Subtask #7
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3667 ms	13144 KB	Output is correct
2	Execution timed out	4053 ms	21848 KB	Time limit exceeded
3	Halted	0 ms	0 KB	-

답안 #1035542

Compilation message

Subtask #1 0 / 4.0

Subtask #2 11.0 / 11.0

Subtask #3 12.0 / 12.0

Subtask #4 14.0 / 14.0

Subtask #5 0 / 17.0

Subtask #6 0 / 19.0

Subtask #7 0 / 23.0

Subtask #1
0 / 4.0

Subtask #2
11.0 / 11.0

Subtask #3
12.0 / 12.0

Subtask #4
14.0 / 14.0

Subtask #5
0 / 17.0

Subtask #6
0 / 19.0

Subtask #7
0 / 23.0