oj.uz

Submission #125260

# Submission time Handle Problem Language Result Execution time Memory
125260 2019-07-05T02:01:35 Z dragonslayerit Mountains (IOI17_mountains) C++14
70 / 100
 15 ms 2424 KB 
#include "mountains.h"
#include <vector>
#include <algorithm>
#include <cstdio>

int* base;
int memo[500][500];

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 376 KB Output is correct
5 Correct 2 ms 256 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 376 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 3 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 376 KB Output is correct
5 Correct 2 ms 256 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 376 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 3 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 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 2 ms 352 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 504 KB Output is correct
26 Correct 2 ms 420 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 504 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 3 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 404 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 3 ms 376 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 376 KB Output is correct
5 Correct 2 ms 256 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 376 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 3 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 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 2 ms 352 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 504 KB Output is correct
26 Correct 2 ms 420 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 504 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 3 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 404 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 3 ms 376 KB Output is correct
39 Correct 4 ms 760 KB Output is correct
40 Correct 6 ms 1016 KB Output is correct
41 Correct 7 ms 1016 KB Output is correct
42 Correct 7 ms 992 KB Output is correct
43 Correct 7 ms 1016 KB Output is correct
44 Correct 6 ms 1016 KB Output is correct
45 Correct 12 ms 1304 KB Output is correct
46 Correct 12 ms 1316 KB Output is correct
47 Correct 10 ms 1264 KB Output is correct
48 Correct 15 ms 1344 KB Output is correct
49 Correct 11 ms 1276 KB Output is correct
50 Correct 10 ms 1336 KB Output is correct
51 Correct 5 ms 888 KB Output is correct
52 Correct 6 ms 1528 KB Output is correct
53 Correct 6 ms 1400 KB Output is correct
54 Correct 6 ms 1400 KB Output is correct
55 Correct 6 ms 1400 KB Output is correct
56 Correct 6 ms 1400 KB Output is correct
57 Correct 4 ms 1144 KB Output is correct
58 Correct 11 ms 1016 KB Output is correct
59 Correct 6 ms 1016 KB Output is correct
60 Correct 6 ms 1408 KB Output is correct
61 Correct 6 ms 1424 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 376 KB Output is correct
5 Correct 2 ms 256 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 376 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 3 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 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 2 ms 352 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 504 KB Output is correct
26 Correct 2 ms 420 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 504 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 3 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 404 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 3 ms 376 KB Output is correct
39 Correct 4 ms 760 KB Output is correct
40 Correct 6 ms 1016 KB Output is correct
41 Correct 7 ms 1016 KB Output is correct
42 Correct 7 ms 992 KB Output is correct
43 Correct 7 ms 1016 KB Output is correct
44 Correct 6 ms 1016 KB Output is correct
45 Correct 12 ms 1304 KB Output is correct
46 Correct 12 ms 1316 KB Output is correct
47 Correct 10 ms 1264 KB Output is correct
48 Correct 15 ms 1344 KB Output is correct
49 Correct 11 ms 1276 KB Output is correct
50 Correct 10 ms 1336 KB Output is correct
51 Correct 5 ms 888 KB Output is correct
52 Correct 6 ms 1528 KB Output is correct
53 Correct 6 ms 1400 KB Output is correct
54 Correct 6 ms 1400 KB Output is correct
55 Correct 6 ms 1400 KB Output is correct
56 Correct 6 ms 1400 KB Output is correct
57 Correct 4 ms 1144 KB Output is correct
58 Correct 11 ms 1016 KB Output is correct
59 Correct 6 ms 1016 KB Output is correct
60 Correct 6 ms 1408 KB Output is correct
61 Correct 6 ms 1424 KB Output is correct
62 Runtime error 5 ms 2424 KB Execution killed with signal 11 (could be triggered by violating memory limits)
63 Halted 0 ms 0 KB -