oj.uz

Submission #125261

# Submission time Handle Problem Language Result Execution time Memory
125261 2019-07-05T02:02:35 Z dragonslayerit Mountains (IOI17_mountains) C++14
70 / 100
 1000 ms 27532 KB 
#include "mountains.h"
#include <vector>
#include <algorithm>
#include <cstdio>

int* base;
int memo[2001][2001];

int solve(int* begin,int* end){
  if(begin==end) return 0;
  if(memo[begin-base][end-base]!=-1) return memo[begin-base][end-base];
  int ans=1;
  std::vector<int*> sub;
  for(auto it=begin+1;it!=end;it++){
    sub.push_back(it);
  }
  std::stable_sort(sub.begin(),sub.end(),[begin](int* a,int* b){return (a-begin)*(*b-*begin)>(b-begin)*(*a-*begin);});
  std::reverse(sub.begin(),sub.end());
  int* last=end;
  for(int* it:sub){
    if(it>last) continue;
    ans+=solve(it+1,last);
    last=it;
  }
  return memo[begin-base][end-base]=std::max(ans,solve(begin+1,end));
}

int maximum_deevs(std::vector<int> y) {
  for(int i=0;i<=y.size();i++){
    for(int j=0;j<=y.size();j++){
      memo[i][j]=-1;
    }
  }
  base=y.data();
  return solve(y.data(),y.data()+y.size());
}

Compilation message

mountains.cpp: In function 'int maximum_deevs(std::vector<int>)':
mountains.cpp:29:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0;i<=y.size();i++){
               ~^~~~~~~~~~
mountains.cpp:30:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int j=0;j<=y.size();j++){
                 ~^~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 348 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 348 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 504 KB Output is correct
18 Correct 2 ms 504 KB Output is correct
19 Correct 2 ms 504 KB Output is correct
20 Correct 2 ms 504 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 504 KB Output is correct
23 Correct 2 ms 504 KB Output is correct
24 Correct 2 ms 504 KB Output is correct
25 Correct 2 ms 504 KB Output is correct
26 Correct 2 ms 504 KB Output is correct
27 Correct 2 ms 504 KB Output is correct
28 Correct 2 ms 508 KB Output is correct
29 Correct 2 ms 504 KB Output is correct
30 Correct 2 ms 504 KB Output is correct
31 Correct 2 ms 504 KB Output is correct
32 Correct 2 ms 504 KB Output is correct
33 Correct 2 ms 504 KB Output is correct
34 Correct 2 ms 504 KB Output is correct
35 Correct 2 ms 504 KB Output is correct
36 Correct 2 ms 508 KB Output is correct
37 Correct 2 ms 504 KB Output is correct
38 Correct 2 ms 504 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 348 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 504 KB Output is correct
18 Correct 2 ms 504 KB Output is correct
19 Correct 2 ms 504 KB Output is correct
20 Correct 2 ms 504 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 504 KB Output is correct
23 Correct 2 ms 504 KB Output is correct
24 Correct 2 ms 504 KB Output is correct
25 Correct 2 ms 504 KB Output is correct
26 Correct 2 ms 504 KB Output is correct
27 Correct 2 ms 504 KB Output is correct
28 Correct 2 ms 508 KB Output is correct
29 Correct 2 ms 504 KB Output is correct
30 Correct 2 ms 504 KB Output is correct
31 Correct 2 ms 504 KB Output is correct
32 Correct 2 ms 504 KB Output is correct
33 Correct 2 ms 504 KB Output is correct
34 Correct 2 ms 504 KB Output is correct
35 Correct 2 ms 504 KB Output is correct
36 Correct 2 ms 508 KB Output is correct
37 Correct 2 ms 504 KB Output is correct
38 Correct 2 ms 504 KB Output is correct
39 Correct 4 ms 1400 KB Output is correct
40 Correct 6 ms 1912 KB Output is correct
41 Correct 7 ms 2040 KB Output is correct
42 Correct 7 ms 2040 KB Output is correct
43 Correct 7 ms 2020 KB Output is correct
44 Correct 7 ms 1912 KB Output is correct
45 Correct 13 ms 2264 KB Output is correct
46 Correct 12 ms 2244 KB Output is correct
47 Correct 11 ms 2288 KB Output is correct
48 Correct 15 ms 2320 KB Output is correct
49 Correct 11 ms 2300 KB Output is correct
50 Correct 11 ms 2232 KB Output is correct
51 Correct 6 ms 1912 KB Output is correct
52 Correct 7 ms 2424 KB Output is correct
53 Correct 6 ms 2424 KB Output is correct
54 Correct 6 ms 2428 KB Output is correct
55 Correct 6 ms 2424 KB Output is correct
56 Correct 6 ms 2424 KB Output is correct
57 Correct 4 ms 2040 KB Output is correct
58 Correct 9 ms 2040 KB Output is correct
59 Correct 7 ms 2044 KB Output is correct
60 Correct 6 ms 2432 KB Output is correct
61 Correct 6 ms 2444 KB Output is correct

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 348 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 504 KB Output is correct
18 Correct 2 ms 504 KB Output is correct
19 Correct 2 ms 504 KB Output is correct
20 Correct 2 ms 504 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 504 KB Output is correct
23 Correct 2 ms 504 KB Output is correct
24 Correct 2 ms 504 KB Output is correct
25 Correct 2 ms 504 KB Output is correct
26 Correct 2 ms 504 KB Output is correct
27 Correct 2 ms 504 KB Output is correct
28 Correct 2 ms 508 KB Output is correct
29 Correct 2 ms 504 KB Output is correct
30 Correct 2 ms 504 KB Output is correct
31 Correct 2 ms 504 KB Output is correct
32 Correct 2 ms 504 KB Output is correct
33 Correct 2 ms 504 KB Output is correct
34 Correct 2 ms 504 KB Output is correct
35 Correct 2 ms 504 KB Output is correct
36 Correct 2 ms 508 KB Output is correct
37 Correct 2 ms 504 KB Output is correct
38 Correct 2 ms 504 KB Output is correct
39 Correct 4 ms 1400 KB Output is correct
40 Correct 6 ms 1912 KB Output is correct
41 Correct 7 ms 2040 KB Output is correct
42 Correct 7 ms 2040 KB Output is correct
43 Correct 7 ms 2020 KB Output is correct
44 Correct 7 ms 1912 KB Output is correct
45 Correct 13 ms 2264 KB Output is correct
46 Correct 12 ms 2244 KB Output is correct
47 Correct 11 ms 2288 KB Output is correct
48 Correct 15 ms 2320 KB Output is correct
49 Correct 11 ms 2300 KB Output is correct
50 Correct 11 ms 2232 KB Output is correct
51 Correct 6 ms 1912 KB Output is correct
52 Correct 7 ms 2424 KB Output is correct
53 Correct 6 ms 2424 KB Output is correct
54 Correct 6 ms 2428 KB Output is correct
55 Correct 6 ms 2424 KB Output is correct
56 Correct 6 ms 2424 KB Output is correct
57 Correct 4 ms 2040 KB Output is correct
58 Correct 9 ms 2040 KB Output is correct
59 Correct 7 ms 2044 KB Output is correct
60 Correct 6 ms 2432 KB Output is correct
61 Correct 6 ms 2444 KB Output is correct
62 Correct 52 ms 9080 KB Output is correct
63 Correct 236 ms 19532 KB Output is correct
64 Correct 188 ms 19064 KB Output is correct
65 Correct 198 ms 19832 KB Output is correct
66 Correct 209 ms 19452 KB Output is correct
67 Correct 205 ms 19448 KB Output is correct
68 Correct 195 ms 18984 KB Output is correct
69 Correct 204 ms 19320 KB Output is correct
70 Execution timed out 1085 ms 27532 KB Time limit exceeded
71 Halted 0 ms 0 KB -