oj.uz

Submission #1026380

# Submission time Handle Problem Language Result Execution time Memory
1026380 2024-07-18T03:42:28 Z Mardonbekhazratov Radio Towers (IOI22_towers) C++17
15 / 100
 4000 ms 2256 KB 
#include "towers.h"

#include <vector>

using namespace std;

int n,k;
vector<int>h;
bool su1=true;


void init(int N, std::vector<int> H) {
    n=N;
    h=H;
    k=0;
    bool ok=true;
    for(int i=1;i<n;i++){
        if(h[i]>h[i-1] && ok) k=i;
        else{
            if(h[i]>h[i-1]) su1=false;
            ok=false;
        }
    }
}

int max_towers(int L, int R, int D) {
    if(su1){
        if(L<k && R>k && h[k]-D>=h[L] && h[k]-D>=h[R]) return 2;
        return 1;
    }
    vector<int>a,dp(R-L+1);
    dp[0]=1;
    for(int i=L;i<=R;i++){
        a.push_back(h[i]);
    }
    int ans=1;
    for(int i=1;i<a.size();i++){
        int mx=0;
        dp[i]=0;
        for(int j=i-1;j>=0;j--){
            if(a[j]-D>=a[i]) mx=max(a[j],mx);
            if(mx-D>=a[j]) dp[i]=max(dp[i],dp[j]);
        }
        dp[i]++;
        ans=max(ans,dp[i]);
    }
    return ans;
}

Compilation message

towers.cpp: In function 'int max_towers(int, int, int)':
towers.cpp:37:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |     for(int i=1;i<a.size();i++){
      |                 ~^~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 306 ms 1112 KB Output is correct
2 Correct 685 ms 1368 KB Output is correct
3 Correct 597 ms 1368 KB Output is correct
4 Correct 567 ms 1368 KB Output is correct
5 Correct 625 ms 1368 KB Output is correct
6 Correct 588 ms 1368 KB Output is correct
7 Correct 611 ms 1368 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 2 ms 344 KB Output is correct
3 Correct 2 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 0 ms 344 KB Output is correct
7 Correct 1 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 380 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 3 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 5 ms 452 KB Output is correct
21 Correct 6 ms 344 KB Output is correct
22 Correct 4 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 2 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 4 ms 344 KB Output is correct
27 Correct 4 ms 344 KB Output is correct
28 Correct 3 ms 344 KB Output is correct
29 Correct 3 ms 344 KB Output is correct
30 Correct 3 ms 344 KB Output is correct
31 Correct 3 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 3 ms 344 KB Output is correct
35 Correct 2 ms 344 KB Output is correct

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 2 ms 344 KB Output is correct
3 Correct 2 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 0 ms 344 KB Output is correct
7 Correct 1 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 380 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 3 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 5 ms 452 KB Output is correct
21 Correct 6 ms 344 KB Output is correct
22 Correct 4 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 2 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 4 ms 344 KB Output is correct
27 Correct 4 ms 344 KB Output is correct
28 Correct 3 ms 344 KB Output is correct
29 Correct 3 ms 344 KB Output is correct
30 Correct 3 ms 344 KB Output is correct
31 Correct 3 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 3 ms 344 KB Output is correct
35 Correct 2 ms 344 KB Output is correct
36 Correct 589 ms 1196 KB Output is correct
37 Correct 1014 ms 1992 KB Output is correct
38 Correct 291 ms 1368 KB Output is correct
39 Correct 543 ms 1568 KB Output is correct
40 Correct 224 ms 1368 KB Output is correct
41 Execution timed out 4103 ms 2256 KB Time limit exceeded
42 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4026 ms 1748 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 4019 ms 1060 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 344 KB Output is correct
2 Correct 2 ms 344 KB Output is correct
3 Correct 2 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 0 ms 344 KB Output is correct
7 Correct 1 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 380 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 3 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 5 ms 452 KB Output is correct
21 Correct 6 ms 344 KB Output is correct
22 Correct 4 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 2 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 4 ms 344 KB Output is correct
27 Correct 4 ms 344 KB Output is correct
28 Correct 3 ms 344 KB Output is correct
29 Correct 3 ms 344 KB Output is correct
30 Correct 3 ms 344 KB Output is correct
31 Correct 3 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 3 ms 344 KB Output is correct
35 Correct 2 ms 344 KB Output is correct
36 Correct 589 ms 1196 KB Output is correct
37 Correct 1014 ms 1992 KB Output is correct
38 Correct 291 ms 1368 KB Output is correct
39 Correct 543 ms 1568 KB Output is correct
40 Correct 224 ms 1368 KB Output is correct
41 Execution timed out 4103 ms 2256 KB Time limit exceeded
42 Halted 0 ms 0 KB -

Subtask #7
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 306 ms 1112 KB Output is correct
2 Correct 685 ms 1368 KB Output is correct
3 Correct 597 ms 1368 KB Output is correct
4 Correct 567 ms 1368 KB Output is correct
5 Correct 625 ms 1368 KB Output is correct
6 Correct 588 ms 1368 KB Output is correct
7 Correct 611 ms 1368 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 2 ms 344 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 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 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 380 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 3 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 5 ms 452 KB Output is correct
31 Correct 6 ms 344 KB Output is correct
32 Correct 4 ms 344 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 2 ms 344 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 4 ms 344 KB Output is correct
37 Correct 4 ms 344 KB Output is correct
38 Correct 3 ms 344 KB Output is correct
39 Correct 3 ms 344 KB Output is correct
40 Correct 3 ms 344 KB Output is correct
41 Correct 3 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 3 ms 344 KB Output is correct
45 Correct 2 ms 344 KB Output is correct
46 Correct 589 ms 1196 KB Output is correct
47 Correct 1014 ms 1992 KB Output is correct
48 Correct 291 ms 1368 KB Output is correct
49 Correct 543 ms 1568 KB Output is correct
50 Correct 224 ms 1368 KB Output is correct
51 Execution timed out 4103 ms 2256 KB Time limit exceeded
52 Halted 0 ms 0 KB -