oj.uz

Submission #755583

# Submission time Handle Problem Language Result Execution time Memory
755583 2023-06-10T11:25:12 Z ETheBest3 Mountains (IOI17_mountains) C++17
100 / 100
 37 ms 23016 KB 
#include "mountains.h"
#define lli long long
#define endl "\n"
#include <vector>
const lli MAXN=2005;
using namespace std;
lli dp[MAXN][MAXN], N, ss, last;
struct points{
    lli x, y;
};
points p[MAXN];
bool ccw(points a, points b, points c){
    return (a.x*b.y+a.y*c.x+b.x*c.y)-(c.x*b.y+c.y*a.x+b.x*a.y)>=0;
}
int maximum_deevs(std::vector<int> y) {
    N=y.size();
    for(lli i=0; i<N; i++){
        p[i]={i, y[i]};
    }
    for(lli i=0; i<N; i++)dp[i][i]=1;
    for(lli r=0; r<N; r++){
        last=r;
        ss=0;
        for(lli l=r-1; l>=0; l--){
            dp[l][r]=dp[l][r-1];
            if(ccw(p[l], p[last], p[r])){
                ss+=dp[l+1][last-1];
                last=l;
            }
            dp[l][r]=max(dp[l][r], 1+ss+dp[l][last-1]);
        }
    }
    return dp[0][N-1];
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 296 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 296 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 424 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 0 ms 468 KB Output is correct
24 Correct 1 ms 428 KB Output is correct
25 Correct 1 ms 424 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 424 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 0 ms 468 KB Output is correct
34 Correct 1 ms 424 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 1 ms 468 KB Output is correct
37 Correct 1 ms 424 KB Output is correct
38 Correct 1 ms 468 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 296 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 424 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 0 ms 468 KB Output is correct
24 Correct 1 ms 428 KB Output is correct
25 Correct 1 ms 424 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 424 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 0 ms 468 KB Output is correct
34 Correct 1 ms 424 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 1 ms 468 KB Output is correct
37 Correct 1 ms 424 KB Output is correct
38 Correct 1 ms 468 KB Output is correct
39 Correct 1 ms 1236 KB Output is correct
40 Correct 1 ms 1748 KB Output is correct
41 Correct 1 ms 1832 KB Output is correct
42 Correct 1 ms 1748 KB Output is correct
43 Correct 1 ms 1748 KB Output is correct
44 Correct 1 ms 1748 KB Output is correct
45 Correct 1 ms 1748 KB Output is correct
46 Correct 2 ms 1748 KB Output is correct
47 Correct 1 ms 1832 KB Output is correct
48 Correct 1 ms 1748 KB Output is correct
49 Correct 1 ms 1748 KB Output is correct
50 Correct 1 ms 1748 KB Output is correct
51 Correct 1 ms 1748 KB Output is correct
52 Correct 1 ms 1748 KB Output is correct
53 Correct 1 ms 1748 KB Output is correct
54 Correct 1 ms 1748 KB Output is correct
55 Correct 1 ms 1748 KB Output is correct
56 Correct 1 ms 1748 KB Output is correct
57 Correct 1 ms 1836 KB Output is correct
58 Correct 1 ms 1748 KB Output is correct
59 Correct 1 ms 1748 KB Output is correct
60 Correct 1 ms 1748 KB Output is correct
61 Correct 1 ms 1748 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 296 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 424 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 0 ms 468 KB Output is correct
24 Correct 1 ms 428 KB Output is correct
25 Correct 1 ms 424 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 424 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 0 ms 468 KB Output is correct
34 Correct 1 ms 424 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 1 ms 468 KB Output is correct
37 Correct 1 ms 424 KB Output is correct
38 Correct 1 ms 468 KB Output is correct
39 Correct 1 ms 1236 KB Output is correct
40 Correct 1 ms 1748 KB Output is correct
41 Correct 1 ms 1832 KB Output is correct
42 Correct 1 ms 1748 KB Output is correct
43 Correct 1 ms 1748 KB Output is correct
44 Correct 1 ms 1748 KB Output is correct
45 Correct 1 ms 1748 KB Output is correct
46 Correct 2 ms 1748 KB Output is correct
47 Correct 1 ms 1832 KB Output is correct
48 Correct 1 ms 1748 KB Output is correct
49 Correct 1 ms 1748 KB Output is correct
50 Correct 1 ms 1748 KB Output is correct
51 Correct 1 ms 1748 KB Output is correct
52 Correct 1 ms 1748 KB Output is correct
53 Correct 1 ms 1748 KB Output is correct
54 Correct 1 ms 1748 KB Output is correct
55 Correct 1 ms 1748 KB Output is correct
56 Correct 1 ms 1748 KB Output is correct
57 Correct 1 ms 1836 KB Output is correct
58 Correct 1 ms 1748 KB Output is correct
59 Correct 1 ms 1748 KB Output is correct
60 Correct 1 ms 1748 KB Output is correct
61 Correct 1 ms 1748 KB Output is correct
62 Correct 6 ms 8148 KB Output is correct
63 Correct 24 ms 22896 KB Output is correct
64 Correct 24 ms 23016 KB Output is correct
65 Correct 24 ms 22964 KB Output is correct
66 Correct 24 ms 22988 KB Output is correct
67 Correct 23 ms 22904 KB Output is correct
68 Correct 23 ms 22996 KB Output is correct
69 Correct 23 ms 22944 KB Output is correct
70 Correct 29 ms 22944 KB Output is correct
71 Correct 29 ms 23004 KB Output is correct
72 Correct 30 ms 22988 KB Output is correct
73 Correct 29 ms 22960 KB Output is correct
74 Correct 29 ms 22988 KB Output is correct
75 Correct 34 ms 22900 KB Output is correct
76 Correct 26 ms 22996 KB Output is correct
77 Correct 33 ms 22988 KB Output is correct
78 Correct 37 ms 22988 KB Output is correct
79 Correct 34 ms 22880 KB Output is correct
80 Correct 35 ms 22888 KB Output is correct
81 Correct 33 ms 22920 KB Output is correct
82 Correct 28 ms 22972 KB Output is correct
83 Correct 24 ms 22988 KB Output is correct
84 Correct 24 ms 23004 KB Output is correct
85 Correct 26 ms 22912 KB Output is correct
86 Correct 23 ms 22956 KB Output is correct