oj.uz

Submission #125267

# Submission time Handle Problem Language Result Execution time Memory
125267 2019-07-05T02:32:21 Z dragonslayerit Mountains (IOI17_mountains) C++14
100 / 100
 123 ms 29944 KB 
#include "mountains.h"
#include <vector>
#include <algorithm>
#include <cstdio>
     
int memo[2001][2001];
int last[2001][2001];
     
int solve(int begin,int end){
  if(begin==end) return 0;
  if(end-begin==1) return 1;
  if(memo[begin][end]!=-1) return memo[begin][end];
  int ans=solve(begin,last[begin][end-1])+solve(last[begin][end-1]+1,end);
  return memo[begin][end]=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;
    }
  }
  for(int i=0;i<y.size();i++){
    int k=i+1;
    for(int j=i+1;j<y.size();j++){
      if(1LL*(k-i)*(y[j]-y[i])>=1LL*(j-i)*(y[k]-y[i])){
    	k=j;
      }
      last[i][j]=k;
    }
  }
  return solve(0,y.size());
}

Compilation message

mountains.cpp: In function 'int maximum_deevs(std::vector<int>)':
mountains.cpp:18:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0;i<=y.size();i++){
               ~^~~~~~~~~~
mountains.cpp:19:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int j=0;j<=y.size();j++){
                 ~^~~~~~~~~~
mountains.cpp:23:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0;i<y.size();i++){
               ~^~~~~~~~~
mountains.cpp:25:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int j=i+1;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 376 KB Output is correct
6 Correct 2 ms 548 KB Output is correct
7 Correct 2 ms 504 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 504 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 508 KB Output is correct
12 Correct 2 ms 508 KB Output is correct
13 Correct 2 ms 504 KB Output is correct
14 Correct 2 ms 504 KB Output is correct
15 Correct 2 ms 504 KB Output is correct
16 Correct 2 ms 504 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 376 KB Output is correct
6 Correct 2 ms 548 KB Output is correct
7 Correct 2 ms 504 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 504 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 508 KB Output is correct
12 Correct 2 ms 508 KB Output is correct
13 Correct 2 ms 504 KB Output is correct
14 Correct 2 ms 504 KB Output is correct
15 Correct 2 ms 504 KB Output is correct
16 Correct 2 ms 504 KB Output is correct
17 Correct 2 ms 632 KB Output is correct
18 Correct 2 ms 632 KB Output is correct
19 Correct 2 ms 632 KB Output is correct
20 Correct 2 ms 632 KB Output is correct
21 Correct 2 ms 632 KB Output is correct
22 Correct 2 ms 632 KB Output is correct
23 Correct 2 ms 604 KB Output is correct
24 Correct 2 ms 632 KB Output is correct
25 Correct 2 ms 632 KB Output is correct
26 Correct 2 ms 632 KB Output is correct
27 Correct 2 ms 632 KB Output is correct
28 Correct 2 ms 632 KB Output is correct
29 Correct 2 ms 632 KB Output is correct
30 Correct 2 ms 632 KB Output is correct
31 Correct 2 ms 632 KB Output is correct
32 Correct 2 ms 632 KB Output is correct
33 Correct 2 ms 632 KB Output is correct
34 Correct 2 ms 632 KB Output is correct
35 Correct 2 ms 632 KB Output is correct
36 Correct 2 ms 632 KB Output is correct
37 Correct 2 ms 632 KB Output is correct
38 Correct 3 ms 632 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 376 KB Output is correct
6 Correct 2 ms 548 KB Output is correct
7 Correct 2 ms 504 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 504 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 508 KB Output is correct
12 Correct 2 ms 508 KB Output is correct
13 Correct 2 ms 504 KB Output is correct
14 Correct 2 ms 504 KB Output is correct
15 Correct 2 ms 504 KB Output is correct
16 Correct 2 ms 504 KB Output is correct
17 Correct 2 ms 632 KB Output is correct
18 Correct 2 ms 632 KB Output is correct
19 Correct 2 ms 632 KB Output is correct
20 Correct 2 ms 632 KB Output is correct
21 Correct 2 ms 632 KB Output is correct
22 Correct 2 ms 632 KB Output is correct
23 Correct 2 ms 604 KB Output is correct
24 Correct 2 ms 632 KB Output is correct
25 Correct 2 ms 632 KB Output is correct
26 Correct 2 ms 632 KB Output is correct
27 Correct 2 ms 632 KB Output is correct
28 Correct 2 ms 632 KB Output is correct
29 Correct 2 ms 632 KB Output is correct
30 Correct 2 ms 632 KB Output is correct
31 Correct 2 ms 632 KB Output is correct
32 Correct 2 ms 632 KB Output is correct
33 Correct 2 ms 632 KB Output is correct
34 Correct 2 ms 632 KB Output is correct
35 Correct 2 ms 632 KB Output is correct
36 Correct 2 ms 632 KB Output is correct
37 Correct 2 ms 632 KB Output is correct
38 Correct 3 ms 632 KB Output is correct
39 Correct 3 ms 2168 KB Output is correct
40 Correct 4 ms 3320 KB Output is correct
41 Correct 4 ms 3320 KB Output is correct
42 Correct 5 ms 3192 KB Output is correct
43 Correct 4 ms 3192 KB Output is correct
44 Correct 4 ms 3192 KB Output is correct
45 Correct 5 ms 3192 KB Output is correct
46 Correct 5 ms 3320 KB Output is correct
47 Correct 5 ms 3320 KB Output is correct
48 Correct 5 ms 3320 KB Output is correct
49 Correct 5 ms 3192 KB Output is correct
50 Correct 5 ms 3320 KB Output is correct
51 Correct 4 ms 3192 KB Output is correct
52 Correct 5 ms 3320 KB Output is correct
53 Correct 5 ms 3320 KB Output is correct
54 Correct 5 ms 3320 KB Output is correct
55 Correct 5 ms 3320 KB Output is correct
56 Correct 5 ms 3192 KB Output is correct
57 Correct 4 ms 3192 KB Output is correct
58 Correct 4 ms 3192 KB Output is correct
59 Correct 5 ms 3192 KB Output is correct
60 Correct 5 ms 3320 KB Output is correct
61 Correct 4 ms 3192 KB Output is correct

Subtask #4
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 376 KB Output is correct
6 Correct 2 ms 548 KB Output is correct
7 Correct 2 ms 504 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 504 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 508 KB Output is correct
12 Correct 2 ms 508 KB Output is correct
13 Correct 2 ms 504 KB Output is correct
14 Correct 2 ms 504 KB Output is correct
15 Correct 2 ms 504 KB Output is correct
16 Correct 2 ms 504 KB Output is correct
17 Correct 2 ms 632 KB Output is correct
18 Correct 2 ms 632 KB Output is correct
19 Correct 2 ms 632 KB Output is correct
20 Correct 2 ms 632 KB Output is correct
21 Correct 2 ms 632 KB Output is correct
22 Correct 2 ms 632 KB Output is correct
23 Correct 2 ms 604 KB Output is correct
24 Correct 2 ms 632 KB Output is correct
25 Correct 2 ms 632 KB Output is correct
26 Correct 2 ms 632 KB Output is correct
27 Correct 2 ms 632 KB Output is correct
28 Correct 2 ms 632 KB Output is correct
29 Correct 2 ms 632 KB Output is correct
30 Correct 2 ms 632 KB Output is correct
31 Correct 2 ms 632 KB Output is correct
32 Correct 2 ms 632 KB Output is correct
33 Correct 2 ms 632 KB Output is correct
34 Correct 2 ms 632 KB Output is correct
35 Correct 2 ms 632 KB Output is correct
36 Correct 2 ms 632 KB Output is correct
37 Correct 2 ms 632 KB Output is correct
38 Correct 3 ms 632 KB Output is correct
39 Correct 3 ms 2168 KB Output is correct
40 Correct 4 ms 3320 KB Output is correct
41 Correct 4 ms 3320 KB Output is correct
42 Correct 5 ms 3192 KB Output is correct
43 Correct 4 ms 3192 KB Output is correct
44 Correct 4 ms 3192 KB Output is correct
45 Correct 5 ms 3192 KB Output is correct
46 Correct 5 ms 3320 KB Output is correct
47 Correct 5 ms 3320 KB Output is correct
48 Correct 5 ms 3320 KB Output is correct
49 Correct 5 ms 3192 KB Output is correct
50 Correct 5 ms 3320 KB Output is correct
51 Correct 4 ms 3192 KB Output is correct
52 Correct 5 ms 3320 KB Output is correct
53 Correct 5 ms 3320 KB Output is correct
54 Correct 5 ms 3320 KB Output is correct
55 Correct 5 ms 3320 KB Output is correct
56 Correct 5 ms 3192 KB Output is correct
57 Correct 4 ms 3192 KB Output is correct
58 Correct 4 ms 3192 KB Output is correct
59 Correct 5 ms 3192 KB Output is correct
60 Correct 5 ms 3320 KB Output is correct
61 Correct 4 ms 3192 KB Output is correct
62 Correct 16 ms 14200 KB Output is correct
63 Correct 43 ms 29816 KB Output is correct
64 Correct 39 ms 29796 KB Output is correct
65 Correct 44 ms 29788 KB Output is correct
66 Correct 39 ms 29816 KB Output is correct
67 Correct 39 ms 29944 KB Output is correct
68 Correct 39 ms 29824 KB Output is correct
69 Correct 38 ms 29816 KB Output is correct
70 Correct 72 ms 29816 KB Output is correct
71 Correct 73 ms 29816 KB Output is correct
72 Correct 75 ms 29816 KB Output is correct
73 Correct 74 ms 29896 KB Output is correct
74 Correct 74 ms 29816 KB Output is correct
75 Correct 74 ms 29816 KB Output is correct
76 Correct 43 ms 29772 KB Output is correct
77 Correct 99 ms 29924 KB Output is correct
78 Correct 100 ms 29816 KB Output is correct
79 Correct 100 ms 29816 KB Output is correct
80 Correct 100 ms 29816 KB Output is correct
81 Correct 102 ms 29816 KB Output is correct
82 Correct 38 ms 29816 KB Output is correct
83 Correct 41 ms 29752 KB Output is correct
84 Correct 45 ms 29816 KB Output is correct
85 Correct 123 ms 29816 KB Output is correct
86 Correct 38 ms 29840 KB Output is correct