oj.uz

Submission #125262

# Submission time Handle Problem Language Result Execution time Memory
125262 2019-07-05T02:10:13 Z dragonslayerit Mountains (IOI17_mountains) C++14
70 / 100
 1000 ms 27424 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(end-begin==1) return 1;
  if(memo[begin-base][end-base]!=-1) return memo[begin-base][end-base];
  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 ans=1;
  for(int* it:sub){
    ans=solve(begin,it)+solve(it+1,end);
    break;
  }
  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:28:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0;i<=y.size();i++){
               ~^~~~~~~~~~
mountains.cpp:29:18: 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 256 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 296 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 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 256 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 296 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 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 3 ms 504 KB Output is correct
22 Correct 2 ms 504 KB Output is correct
23 Correct 2 ms 508 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 504 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 504 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 256 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 296 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 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 3 ms 504 KB Output is correct
22 Correct 2 ms 504 KB Output is correct
23 Correct 2 ms 508 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 504 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 504 KB Output is correct
37 Correct 2 ms 504 KB Output is correct
38 Correct 2 ms 504 KB Output is correct
39 Correct 6 ms 1400 KB Output is correct
40 Correct 8 ms 1912 KB Output is correct
41 Correct 10 ms 1912 KB Output is correct
42 Correct 10 ms 1912 KB Output is correct
43 Correct 10 ms 2040 KB Output is correct
44 Correct 8 ms 1912 KB Output is correct
45 Correct 110 ms 2408 KB Output is correct
46 Correct 101 ms 2336 KB Output is correct
47 Correct 103 ms 2324 KB Output is correct
48 Correct 111 ms 2400 KB Output is correct
49 Correct 94 ms 2284 KB Output is correct
50 Correct 92 ms 2312 KB Output is correct
51 Correct 11 ms 1912 KB Output is correct
52 Correct 163 ms 2464 KB Output is correct
53 Correct 163 ms 2464 KB Output is correct
54 Correct 167 ms 2660 KB Output is correct
55 Correct 168 ms 2652 KB Output is correct
56 Correct 165 ms 2460 KB Output is correct
57 Correct 5 ms 2168 KB Output is correct
58 Correct 17 ms 2040 KB Output is correct
59 Correct 12 ms 2040 KB Output is correct
60 Correct 134 ms 2424 KB Output is correct
61 Correct 8 ms 2332 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 256 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 296 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 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 3 ms 504 KB Output is correct
22 Correct 2 ms 504 KB Output is correct
23 Correct 2 ms 508 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 504 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 504 KB Output is correct
37 Correct 2 ms 504 KB Output is correct
38 Correct 2 ms 504 KB Output is correct
39 Correct 6 ms 1400 KB Output is correct
40 Correct 8 ms 1912 KB Output is correct
41 Correct 10 ms 1912 KB Output is correct
42 Correct 10 ms 1912 KB Output is correct
43 Correct 10 ms 2040 KB Output is correct
44 Correct 8 ms 1912 KB Output is correct
45 Correct 110 ms 2408 KB Output is correct
46 Correct 101 ms 2336 KB Output is correct
47 Correct 103 ms 2324 KB Output is correct
48 Correct 111 ms 2400 KB Output is correct
49 Correct 94 ms 2284 KB Output is correct
50 Correct 92 ms 2312 KB Output is correct
51 Correct 11 ms 1912 KB Output is correct
52 Correct 163 ms 2464 KB Output is correct
53 Correct 163 ms 2464 KB Output is correct
54 Correct 167 ms 2660 KB Output is correct
55 Correct 168 ms 2652 KB Output is correct
56 Correct 165 ms 2460 KB Output is correct
57 Correct 5 ms 2168 KB Output is correct
58 Correct 17 ms 2040 KB Output is correct
59 Correct 12 ms 2040 KB Output is correct
60 Correct 134 ms 2424 KB Output is correct
61 Correct 8 ms 2332 KB Output is correct
62 Correct 74 ms 9136 KB Output is correct
63 Correct 302 ms 19576 KB Output is correct
64 Correct 267 ms 18940 KB Output is correct
65 Correct 272 ms 19704 KB Output is correct
66 Correct 271 ms 19576 KB Output is correct
67 Correct 286 ms 19320 KB Output is correct
68 Correct 255 ms 19104 KB Output is correct
69 Correct 284 ms 19576 KB Output is correct
70 Execution timed out 1085 ms 27424 KB Time limit exceeded
71 Halted 0 ms 0 KB -