oj.uz

Submission #781995

# Submission time Handle Problem Language Result Execution time Memory
781995 2023-07-13T14:37:42 Z FEDIKUS Radio Towers (IOI22_towers) C++17
23 / 100
 4000 ms 30016 KB 
#include "towers.h"

#include <bits/stdc++.h>

using namespace std;

using mim = pair<pair<int,int>,int>;

const int maxn=1e5+10;
const int logg=18;

int n;
int h[maxn];
mim sparse[logg][maxn];

mim comb(mim &a,mim &b){
  mim ret=a;
  ret.first=max(ret.first,b.first);
  ret.second=min(ret.second,b.second);
  return ret;
}

void init(int _n, vector<int> _h) {
  n=_n;
  for(int i=0;i<n;i++) h[i]=_h[i];
  for(int i=0;i<logg;i++){
    for(int j=0;j<n;j++){
      if(i==0) sparse[i][j]={{h[j],j},h[j]};
      else if(j-(1<<(i-1))>=0) sparse[i][j]=comb(sparse[i-1][j],sparse[i-1][j-(1<<(i-1))]);
      else sparse[i][j]=sparse[i-1][j];
    }
  }
}

mim qry(int l,int r){
  mim ret={{h[l],l},h[l]};
  for(int i=logg-1;i>=0;i--){
    if(r-(1<<i)+1>=l){
      ret=comb(ret,sparse[i][r]);
      r-=(1<<i);
    }
  }
  return ret;
}

int resi(int l,int r,int d,int naj=1e9+10){
  if(r<l) return 0;
  auto temp=qry(l,r);
  pair<int,int> maxi=temp.first;
  int klk=temp.second<=naj;
  return max(resi(l,maxi.second-1,d,maxi.first-d)+resi(maxi.second+1,r,d,maxi.first-d),int(klk>0));
}

int max_towers(int l, int r, int d) {
  return resi(l,r,d);
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4053 ms 17264 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 464 KB Output is correct
2 Correct 1 ms 848 KB Output is correct
3 Correct 1 ms 848 KB Output is correct
4 Correct 1 ms 848 KB Output is correct
5 Correct 1 ms 848 KB Output is correct
6 Correct 1 ms 848 KB Output is correct
7 Correct 1 ms 848 KB Output is correct
8 Correct 1 ms 848 KB Output is correct
9 Correct 1 ms 848 KB Output is correct
10 Correct 1 ms 848 KB Output is correct
11 Correct 1 ms 848 KB Output is correct
12 Correct 0 ms 336 KB Output is correct
13 Correct 1 ms 848 KB Output is correct
14 Correct 1 ms 848 KB Output is correct
15 Correct 1 ms 848 KB Output is correct
16 Correct 1 ms 812 KB Output is correct
17 Correct 1 ms 848 KB Output is correct
18 Correct 1 ms 848 KB Output is correct
19 Correct 1 ms 848 KB Output is correct
20 Correct 1 ms 848 KB Output is correct
21 Correct 1 ms 848 KB Output is correct
22 Correct 1 ms 848 KB Output is correct
23 Correct 1 ms 976 KB Output is correct
24 Correct 1 ms 976 KB Output is correct
25 Correct 1 ms 464 KB Output is correct
26 Correct 1 ms 848 KB Output is correct
27 Correct 1 ms 848 KB Output is correct
28 Correct 1 ms 848 KB Output is correct
29 Correct 1 ms 848 KB Output is correct
30 Correct 1 ms 848 KB Output is correct
31 Correct 1 ms 748 KB Output is correct
32 Correct 1 ms 976 KB Output is correct
33 Correct 1 ms 976 KB Output is correct
34 Correct 1 ms 976 KB Output is correct
35 Correct 1 ms 976 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 464 KB Output is correct
2 Correct 1 ms 848 KB Output is correct
3 Correct 1 ms 848 KB Output is correct
4 Correct 1 ms 848 KB Output is correct
5 Correct 1 ms 848 KB Output is correct
6 Correct 1 ms 848 KB Output is correct
7 Correct 1 ms 848 KB Output is correct
8 Correct 1 ms 848 KB Output is correct
9 Correct 1 ms 848 KB Output is correct
10 Correct 1 ms 848 KB Output is correct
11 Correct 1 ms 848 KB Output is correct
12 Correct 0 ms 336 KB Output is correct
13 Correct 1 ms 848 KB Output is correct
14 Correct 1 ms 848 KB Output is correct
15 Correct 1 ms 848 KB Output is correct
16 Correct 1 ms 812 KB Output is correct
17 Correct 1 ms 848 KB Output is correct
18 Correct 1 ms 848 KB Output is correct
19 Correct 1 ms 848 KB Output is correct
20 Correct 1 ms 848 KB Output is correct
21 Correct 1 ms 848 KB Output is correct
22 Correct 1 ms 848 KB Output is correct
23 Correct 1 ms 976 KB Output is correct
24 Correct 1 ms 976 KB Output is correct
25 Correct 1 ms 464 KB Output is correct
26 Correct 1 ms 848 KB Output is correct
27 Correct 1 ms 848 KB Output is correct
28 Correct 1 ms 848 KB Output is correct
29 Correct 1 ms 848 KB Output is correct
30 Correct 1 ms 848 KB Output is correct
31 Correct 1 ms 748 KB Output is correct
32 Correct 1 ms 976 KB Output is correct
33 Correct 1 ms 976 KB Output is correct
34 Correct 1 ms 976 KB Output is correct
35 Correct 1 ms 976 KB Output is correct
36 Correct 22 ms 14764 KB Output is correct
37 Correct 32 ms 22592 KB Output is correct
38 Correct 29 ms 22588 KB Output is correct
39 Correct 35 ms 22480 KB Output is correct
40 Correct 29 ms 22568 KB Output is correct
41 Correct 32 ms 22600 KB Output is correct
42 Correct 29 ms 22500 KB Output is correct
43 Correct 42 ms 26176 KB Output is correct
44 Correct 30 ms 23200 KB Output is correct
45 Correct 37 ms 22600 KB Output is correct
46 Correct 36 ms 22568 KB Output is correct
47 Correct 39 ms 22588 KB Output is correct
48 Correct 34 ms 22592 KB Output is correct
49 Correct 29 ms 22560 KB Output is correct
50 Correct 35 ms 23852 KB Output is correct
51 Correct 35 ms 25136 KB Output is correct
52 Correct 34 ms 22532 KB Output is correct
53 Correct 33 ms 22588 KB Output is correct
54 Correct 41 ms 22536 KB Output is correct
55 Correct 46 ms 30016 KB Output is correct
56 Correct 50 ms 29236 KB Output is correct
57 Correct 38 ms 21820 KB Output is correct
58 Correct 38 ms 22580 KB Output is correct
59 Correct 37 ms 22576 KB Output is correct
60 Correct 34 ms 22588 KB Output is correct
61 Correct 36 ms 22500 KB Output is correct
62 Correct 35 ms 22584 KB Output is correct
63 Correct 34 ms 22568 KB Output is correct
64 Correct 52 ms 29912 KB Output is correct
65 Correct 53 ms 29980 KB Output is correct
66 Correct 42 ms 26900 KB Output is correct
67 Correct 50 ms 29544 KB Output is correct

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4040 ms 22508 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4069 ms 5656 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 464 KB Output is correct
2 Correct 1 ms 848 KB Output is correct
3 Correct 1 ms 848 KB Output is correct
4 Correct 1 ms 848 KB Output is correct
5 Correct 1 ms 848 KB Output is correct
6 Correct 1 ms 848 KB Output is correct
7 Correct 1 ms 848 KB Output is correct
8 Correct 1 ms 848 KB Output is correct
9 Correct 1 ms 848 KB Output is correct
10 Correct 1 ms 848 KB Output is correct
11 Correct 1 ms 848 KB Output is correct
12 Correct 0 ms 336 KB Output is correct
13 Correct 1 ms 848 KB Output is correct
14 Correct 1 ms 848 KB Output is correct
15 Correct 1 ms 848 KB Output is correct
16 Correct 1 ms 812 KB Output is correct
17 Correct 1 ms 848 KB Output is correct
18 Correct 1 ms 848 KB Output is correct
19 Correct 1 ms 848 KB Output is correct
20 Correct 1 ms 848 KB Output is correct
21 Correct 1 ms 848 KB Output is correct
22 Correct 1 ms 848 KB Output is correct
23 Correct 1 ms 976 KB Output is correct
24 Correct 1 ms 976 KB Output is correct
25 Correct 1 ms 464 KB Output is correct
26 Correct 1 ms 848 KB Output is correct
27 Correct 1 ms 848 KB Output is correct
28 Correct 1 ms 848 KB Output is correct
29 Correct 1 ms 848 KB Output is correct
30 Correct 1 ms 848 KB Output is correct
31 Correct 1 ms 748 KB Output is correct
32 Correct 1 ms 976 KB Output is correct
33 Correct 1 ms 976 KB Output is correct
34 Correct 1 ms 976 KB Output is correct
35 Correct 1 ms 976 KB Output is correct
36 Correct 22 ms 14764 KB Output is correct
37 Correct 32 ms 22592 KB Output is correct
38 Correct 29 ms 22588 KB Output is correct
39 Correct 35 ms 22480 KB Output is correct
40 Correct 29 ms 22568 KB Output is correct
41 Correct 32 ms 22600 KB Output is correct
42 Correct 29 ms 22500 KB Output is correct
43 Correct 42 ms 26176 KB Output is correct
44 Correct 30 ms 23200 KB Output is correct
45 Correct 37 ms 22600 KB Output is correct
46 Correct 36 ms 22568 KB Output is correct
47 Correct 39 ms 22588 KB Output is correct
48 Correct 34 ms 22592 KB Output is correct
49 Correct 29 ms 22560 KB Output is correct
50 Correct 35 ms 23852 KB Output is correct
51 Correct 35 ms 25136 KB Output is correct
52 Correct 34 ms 22532 KB Output is correct
53 Correct 33 ms 22588 KB Output is correct
54 Correct 41 ms 22536 KB Output is correct
55 Correct 46 ms 30016 KB Output is correct
56 Correct 50 ms 29236 KB Output is correct
57 Correct 38 ms 21820 KB Output is correct
58 Correct 38 ms 22580 KB Output is correct
59 Correct 37 ms 22576 KB Output is correct
60 Correct 34 ms 22588 KB Output is correct
61 Correct 36 ms 22500 KB Output is correct
62 Correct 35 ms 22584 KB Output is correct
63 Correct 34 ms 22568 KB Output is correct
64 Correct 52 ms 29912 KB Output is correct
65 Correct 53 ms 29980 KB Output is correct
66 Correct 42 ms 26900 KB Output is correct
67 Correct 50 ms 29544 KB Output is correct
68 Execution timed out 4040 ms 22508 KB Time limit exceeded
69 Halted 0 ms 0 KB -

Subtask #7
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4053 ms 17264 KB Time limit exceeded
2 Halted 0 ms 0 KB -