oj.uz

Submission #1055982

# Submission time Handle Problem Language Result Execution time Memory
1055982 2024-08-13T06:56:42 Z noyancanturk Radio Towers (IOI22_towers) C++17
41 / 100
 4000 ms 2392 KB 
#include "towers.h"

#include<bits/stdc++.h>
using namespace std;

#define pb push_back

const int lim=1e5+100;

struct{
  int tree[lim];
  void update(int p,int val){
    p++;
    while(p<lim){
      tree[p]+=val;
      p+=p&-p;
    }
  }
  int query(int p){
    p++;
    int ans=0;
    while(p){
      ans+=tree[p];
      p-=p&-p;
    }
    return ans;
  }
  int query(int l,int r){
    if(r<l)return 0;
    return query(r)-query(l-1);
  }
}fw;

int n;
vector<int>h;
vector<int>peaks;

void init(int N, std::vector<int> H) {
  n=N;
  h=H;
  for(int i=1;i+1<n;i++){
    if(h[i-1]<h[i]&&h[i+1]<h[i]){
      peaks.pb(i);
      fw.update(i,1);
    }
  }
}

int max_towers(int L, int R, int D) {
  if(peaks.size()==1){
    if(L<peaks[0]&&peaks[0]<R&&D<=h[peaks[0]]-h[L]&&D<=h[peaks[0]]-h[R]){
      return 2;
    }
    return 1;
  }else if(D==1){
    return fw.query(L+1,R-1)+1;
  }else if(0&&L==0&&R==n-1){

  }
  int ty=0,dude=h[L],ans=1;
  for(int i=L+1;i<=R;i++){
    if(!ty){
      if(D<=h[i]-dude){
        dude=h[i];
        ty=1;
      }else{
        dude=min(dude,h[i]);
      }
    }else{
      if(D<=dude-h[i]){
        dude=h[i];
        ty=0;
        ans++;
      }else{
        dude=max(dude,h[i]);
      }
    }
  }
  return ans;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 261 ms 1112 KB Output is correct
2 Correct 512 ms 1624 KB Output is correct
3 Correct 484 ms 1624 KB Output is correct
4 Correct 3336 ms 1368 KB Output is correct
5 Correct 3672 ms 1624 KB Output is correct
6 Correct 526 ms 1624 KB Output is correct
7 Correct 449 ms 1624 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 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 1 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 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 0 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 0 ms 344 KB Output is correct
35 Correct 0 ms 344 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 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 1 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 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 0 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 0 ms 344 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 6 ms 1624 KB Output is correct
37 Correct 9 ms 2376 KB Output is correct
38 Correct 15 ms 2392 KB Output is correct
39 Correct 9 ms 2260 KB Output is correct
40 Correct 8 ms 2252 KB Output is correct
41 Correct 9 ms 2244 KB Output is correct
42 Correct 8 ms 2260 KB Output is correct
43 Correct 7 ms 1608 KB Output is correct
44 Correct 7 ms 1604 KB Output is correct
45 Correct 7 ms 1608 KB Output is correct
46 Correct 14 ms 1624 KB Output is correct
47 Correct 8 ms 2392 KB Output is correct
48 Correct 8 ms 2216 KB Output is correct
49 Correct 8 ms 2244 KB Output is correct
50 Correct 7 ms 1624 KB Output is correct
51 Correct 7 ms 1628 KB Output is correct
52 Correct 10 ms 2392 KB Output is correct
53 Correct 8 ms 2256 KB Output is correct
54 Correct 8 ms 2268 KB Output is correct
55 Correct 7 ms 1612 KB Output is correct
56 Correct 14 ms 1624 KB Output is correct
57 Correct 8 ms 2228 KB Output is correct
58 Correct 15 ms 2392 KB Output is correct
59 Correct 13 ms 2232 KB Output is correct
60 Correct 8 ms 2260 KB Output is correct
61 Correct 8 ms 2240 KB Output is correct
62 Correct 10 ms 2260 KB Output is correct
63 Correct 9 ms 2260 KB Output is correct
64 Correct 7 ms 1624 KB Output is correct
65 Correct 7 ms 1624 KB Output is correct
66 Correct 7 ms 1460 KB Output is correct
67 Correct 7 ms 1624 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 368 ms 2372 KB Output is correct
2 Correct 524 ms 2392 KB Output is correct
3 Correct 495 ms 2392 KB Output is correct
4 Correct 533 ms 2260 KB Output is correct
5 Correct 537 ms 2260 KB Output is correct
6 Correct 471 ms 2260 KB Output is correct
7 Correct 506 ms 2260 KB Output is correct
8 Correct 514 ms 1368 KB Output is correct
9 Correct 501 ms 1368 KB Output is correct
10 Correct 507 ms 1624 KB Output is correct
11 Correct 485 ms 1620 KB Output is correct
12 Correct 489 ms 1624 KB Output is correct
13 Correct 484 ms 1624 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 8 ms 2392 KB Output is correct
18 Correct 7 ms 2240 KB Output is correct
19 Correct 8 ms 2260 KB Output is correct
20 Correct 7 ms 1464 KB Output is correct
21 Correct 7 ms 1624 KB Output is correct
22 Correct 8 ms 2232 KB Output is correct
23 Correct 10 ms 2228 KB Output is correct
24 Correct 8 ms 2220 KB Output is correct
25 Correct 7 ms 1368 KB Output is correct
26 Correct 7 ms 1608 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 0 ms 344 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 0 ms 344 KB Output is correct

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2142 ms 692 KB Output is correct
2 Execution timed out 4001 ms 2392 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #6
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 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 1 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 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 0 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 0 ms 344 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 6 ms 1624 KB Output is correct
37 Correct 9 ms 2376 KB Output is correct
38 Correct 15 ms 2392 KB Output is correct
39 Correct 9 ms 2260 KB Output is correct
40 Correct 8 ms 2252 KB Output is correct
41 Correct 9 ms 2244 KB Output is correct
42 Correct 8 ms 2260 KB Output is correct
43 Correct 7 ms 1608 KB Output is correct
44 Correct 7 ms 1604 KB Output is correct
45 Correct 7 ms 1608 KB Output is correct
46 Correct 14 ms 1624 KB Output is correct
47 Correct 8 ms 2392 KB Output is correct
48 Correct 8 ms 2216 KB Output is correct
49 Correct 8 ms 2244 KB Output is correct
50 Correct 7 ms 1624 KB Output is correct
51 Correct 7 ms 1628 KB Output is correct
52 Correct 10 ms 2392 KB Output is correct
53 Correct 8 ms 2256 KB Output is correct
54 Correct 8 ms 2268 KB Output is correct
55 Correct 7 ms 1612 KB Output is correct
56 Correct 14 ms 1624 KB Output is correct
57 Correct 8 ms 2228 KB Output is correct
58 Correct 15 ms 2392 KB Output is correct
59 Correct 13 ms 2232 KB Output is correct
60 Correct 8 ms 2260 KB Output is correct
61 Correct 8 ms 2240 KB Output is correct
62 Correct 10 ms 2260 KB Output is correct
63 Correct 9 ms 2260 KB Output is correct
64 Correct 7 ms 1624 KB Output is correct
65 Correct 7 ms 1624 KB Output is correct
66 Correct 7 ms 1460 KB Output is correct
67 Correct 7 ms 1624 KB Output is correct
68 Correct 368 ms 2372 KB Output is correct
69 Correct 524 ms 2392 KB Output is correct
70 Correct 495 ms 2392 KB Output is correct
71 Correct 533 ms 2260 KB Output is correct
72 Correct 537 ms 2260 KB Output is correct
73 Correct 471 ms 2260 KB Output is correct
74 Correct 506 ms 2260 KB Output is correct
75 Correct 514 ms 1368 KB Output is correct
76 Correct 501 ms 1368 KB Output is correct
77 Correct 507 ms 1624 KB Output is correct
78 Correct 485 ms 1620 KB Output is correct
79 Correct 489 ms 1624 KB Output is correct
80 Correct 484 ms 1624 KB Output is correct
81 Correct 0 ms 344 KB Output is correct
82 Correct 0 ms 344 KB Output is correct
83 Correct 0 ms 344 KB Output is correct
84 Correct 8 ms 2392 KB Output is correct
85 Correct 7 ms 2240 KB Output is correct
86 Correct 8 ms 2260 KB Output is correct
87 Correct 7 ms 1464 KB Output is correct
88 Correct 7 ms 1624 KB Output is correct
89 Correct 8 ms 2232 KB Output is correct
90 Correct 10 ms 2228 KB Output is correct
91 Correct 8 ms 2220 KB Output is correct
92 Correct 7 ms 1368 KB Output is correct
93 Correct 7 ms 1608 KB Output is correct
94 Correct 1 ms 344 KB Output is correct
95 Correct 0 ms 344 KB Output is correct
96 Correct 0 ms 344 KB Output is correct
97 Correct 1 ms 344 KB Output is correct
98 Correct 0 ms 344 KB Output is correct
99 Correct 0 ms 344 KB Output is correct
100 Correct 0 ms 344 KB Output is correct
101 Correct 0 ms 344 KB Output is correct
102 Correct 0 ms 344 KB Output is correct
103 Correct 0 ms 344 KB Output is correct
104 Execution timed out 4059 ms 1880 KB Time limit exceeded
105 Halted 0 ms 0 KB -

Subtask #7
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 261 ms 1112 KB Output is correct
2 Correct 512 ms 1624 KB Output is correct
3 Correct 484 ms 1624 KB Output is correct
4 Correct 3336 ms 1368 KB Output is correct
5 Correct 3672 ms 1624 KB Output is correct
6 Correct 526 ms 1624 KB Output is correct
7 Correct 449 ms 1624 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 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 0 ms 344 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 0 ms 344 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 0 ms 344 KB Output is correct
37 Correct 1 ms 344 KB Output is correct
38 Correct 0 ms 344 KB Output is correct
39 Correct 0 ms 344 KB Output is correct
40 Correct 0 ms 344 KB Output is correct
41 Correct 0 ms 344 KB Output is correct
42 Correct 0 ms 344 KB Output is correct
43 Correct 0 ms 344 KB Output is correct
44 Correct 0 ms 344 KB Output is correct
45 Correct 0 ms 344 KB Output is correct
46 Correct 6 ms 1624 KB Output is correct
47 Correct 9 ms 2376 KB Output is correct
48 Correct 15 ms 2392 KB Output is correct
49 Correct 9 ms 2260 KB Output is correct
50 Correct 8 ms 2252 KB Output is correct
51 Correct 9 ms 2244 KB Output is correct
52 Correct 8 ms 2260 KB Output is correct
53 Correct 7 ms 1608 KB Output is correct
54 Correct 7 ms 1604 KB Output is correct
55 Correct 7 ms 1608 KB Output is correct
56 Correct 14 ms 1624 KB Output is correct
57 Correct 8 ms 2392 KB Output is correct
58 Correct 8 ms 2216 KB Output is correct
59 Correct 8 ms 2244 KB Output is correct
60 Correct 7 ms 1624 KB Output is correct
61 Correct 7 ms 1628 KB Output is correct
62 Correct 10 ms 2392 KB Output is correct
63 Correct 8 ms 2256 KB Output is correct
64 Correct 8 ms 2268 KB Output is correct
65 Correct 7 ms 1612 KB Output is correct
66 Correct 14 ms 1624 KB Output is correct
67 Correct 8 ms 2228 KB Output is correct
68 Correct 15 ms 2392 KB Output is correct
69 Correct 13 ms 2232 KB Output is correct
70 Correct 8 ms 2260 KB Output is correct
71 Correct 8 ms 2240 KB Output is correct
72 Correct 10 ms 2260 KB Output is correct
73 Correct 9 ms 2260 KB Output is correct
74 Correct 7 ms 1624 KB Output is correct
75 Correct 7 ms 1624 KB Output is correct
76 Correct 7 ms 1460 KB Output is correct
77 Correct 7 ms 1624 KB Output is correct
78 Correct 368 ms 2372 KB Output is correct
79 Correct 524 ms 2392 KB Output is correct
80 Correct 495 ms 2392 KB Output is correct
81 Correct 533 ms 2260 KB Output is correct
82 Correct 537 ms 2260 KB Output is correct
83 Correct 471 ms 2260 KB Output is correct
84 Correct 506 ms 2260 KB Output is correct
85 Correct 514 ms 1368 KB Output is correct
86 Correct 501 ms 1368 KB Output is correct
87 Correct 507 ms 1624 KB Output is correct
88 Correct 485 ms 1620 KB Output is correct
89 Correct 489 ms 1624 KB Output is correct
90 Correct 484 ms 1624 KB Output is correct
91 Correct 0 ms 344 KB Output is correct
92 Correct 0 ms 344 KB Output is correct
93 Correct 0 ms 344 KB Output is correct
94 Correct 8 ms 2392 KB Output is correct
95 Correct 7 ms 2240 KB Output is correct
96 Correct 8 ms 2260 KB Output is correct
97 Correct 7 ms 1464 KB Output is correct
98 Correct 7 ms 1624 KB Output is correct
99 Correct 8 ms 2232 KB Output is correct
100 Correct 10 ms 2228 KB Output is correct
101 Correct 8 ms 2220 KB Output is correct
102 Correct 7 ms 1368 KB Output is correct
103 Correct 7 ms 1608 KB Output is correct
104 Correct 1 ms 344 KB Output is correct
105 Correct 0 ms 344 KB Output is correct
106 Correct 0 ms 344 KB Output is correct
107 Correct 1 ms 344 KB Output is correct
108 Correct 0 ms 344 KB Output is correct
109 Correct 0 ms 344 KB Output is correct
110 Correct 0 ms 344 KB Output is correct
111 Correct 0 ms 344 KB Output is correct
112 Correct 0 ms 344 KB Output is correct
113 Correct 0 ms 344 KB Output is correct
114 Correct 2142 ms 692 KB Output is correct
115 Execution timed out 4001 ms 2392 KB Time limit exceeded
116 Halted 0 ms 0 KB -