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답안 #320862

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
320862 2020-11-10T06:17:42 Z knon0501 Mountains (IOI17_mountains) C++14
100 / 100
 22 ms 4716 KB 
#include "mountains.h"
#include <vector>
#include<bits/stdc++.h>
using namespace std;

long long a[2005];
int dp[2005][2005];
int visit[2005][2005];
int n;
int dy[2005];

int f(int l,int r){
    if(l>r)return 0;
    if(l==r)return 1;
    if(r==l+1)return 1;
    if(visit[l][r])return dp[l][r];
    visit[l][r]=1;
    int i,j;

    dp[l][r]=f(l,r-1);

    i=r;
    int k=i-1;
    int x=1;
    for(int j=i-2 ; j>=l ; j--){
        if((a[i]-a[k])*(i-j)>=(a[i]-a[j])*(i-k)){
            x+=f(j+1,k-1);
            k=j;
        }
    }
    x+=f(l,k-1);
    dp[l][r]=max(dp[l][r],x);

    return dp[l][r];
}

int maximum_deevs(std::vector<int> y) {
    n=y.size();
    for(int i=1 ; i<=n ; i++)
    {
        a[i]=y[i-1];
    }
	return f(1,n);
}

Compilation message

mountains.cpp: In function 'int f(int, int)':
mountains.cpp:18:11: warning: unused variable 'j' [-Wunused-variable]
   18 |     int i,j;
      |           ^

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 0 ms 364 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 0 ms 364 KB Output is correct
15 Correct 0 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 0 ms 364 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 0 ms 364 KB Output is correct
15 Correct 0 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 396 KB Output is correct
21 Correct 0 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 0 ms 364 KB Output is correct
24 Correct 0 ms 364 KB Output is correct
25 Correct 0 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 0 ms 364 KB Output is correct
28 Correct 0 ms 364 KB Output is correct
29 Correct 1 ms 512 KB Output is correct
30 Correct 0 ms 492 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 1 ms 492 KB Output is correct
33 Correct 0 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 1 ms 364 KB Output is correct

Subtask #3
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 0 ms 364 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 0 ms 364 KB Output is correct
15 Correct 0 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 396 KB Output is correct
21 Correct 0 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 0 ms 364 KB Output is correct
24 Correct 0 ms 364 KB Output is correct
25 Correct 0 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 0 ms 364 KB Output is correct
28 Correct 0 ms 364 KB Output is correct
29 Correct 1 ms 512 KB Output is correct
30 Correct 0 ms 492 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 1 ms 492 KB Output is correct
33 Correct 0 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 1 ms 364 KB Output is correct
39 Correct 1 ms 620 KB Output is correct
40 Correct 1 ms 748 KB Output is correct
41 Correct 1 ms 620 KB Output is correct
42 Correct 1 ms 748 KB Output is correct
43 Correct 1 ms 616 KB Output is correct
44 Correct 1 ms 748 KB Output is correct
45 Correct 1 ms 748 KB Output is correct
46 Correct 1 ms 748 KB Output is correct
47 Correct 1 ms 748 KB Output is correct
48 Correct 1 ms 748 KB Output is correct
49 Correct 1 ms 748 KB Output is correct
50 Correct 1 ms 748 KB Output is correct
51 Correct 1 ms 876 KB Output is correct
52 Correct 2 ms 1644 KB Output is correct
53 Correct 3 ms 1516 KB Output is correct
54 Correct 2 ms 1772 KB Output is correct
55 Correct 2 ms 1644 KB Output is correct
56 Correct 2 ms 1644 KB Output is correct
57 Correct 1 ms 364 KB Output is correct
58 Correct 1 ms 896 KB Output is correct
59 Correct 1 ms 748 KB Output is correct
60 Correct 1 ms 364 KB Output is correct
61 Correct 1 ms 364 KB Output is correct

Subtask #4
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 0 ms 364 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 0 ms 364 KB Output is correct
15 Correct 0 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 396 KB Output is correct
21 Correct 0 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 0 ms 364 KB Output is correct
24 Correct 0 ms 364 KB Output is correct
25 Correct 0 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 0 ms 364 KB Output is correct
28 Correct 0 ms 364 KB Output is correct
29 Correct 1 ms 512 KB Output is correct
30 Correct 0 ms 492 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 1 ms 492 KB Output is correct
33 Correct 0 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 1 ms 364 KB Output is correct
39 Correct 1 ms 620 KB Output is correct
40 Correct 1 ms 748 KB Output is correct
41 Correct 1 ms 620 KB Output is correct
42 Correct 1 ms 748 KB Output is correct
43 Correct 1 ms 616 KB Output is correct
44 Correct 1 ms 748 KB Output is correct
45 Correct 1 ms 748 KB Output is correct
46 Correct 1 ms 748 KB Output is correct
47 Correct 1 ms 748 KB Output is correct
48 Correct 1 ms 748 KB Output is correct
49 Correct 1 ms 748 KB Output is correct
50 Correct 1 ms 748 KB Output is correct
51 Correct 1 ms 876 KB Output is correct
52 Correct 2 ms 1644 KB Output is correct
53 Correct 3 ms 1516 KB Output is correct
54 Correct 2 ms 1772 KB Output is correct
55 Correct 2 ms 1644 KB Output is correct
56 Correct 2 ms 1644 KB Output is correct
57 Correct 1 ms 364 KB Output is correct
58 Correct 1 ms 896 KB Output is correct
59 Correct 1 ms 748 KB Output is correct
60 Correct 1 ms 364 KB Output is correct
61 Correct 1 ms 364 KB Output is correct
62 Correct 3 ms 1516 KB Output is correct
63 Correct 6 ms 2668 KB Output is correct
64 Correct 6 ms 2796 KB Output is correct
65 Correct 6 ms 2668 KB Output is correct
66 Correct 6 ms 2796 KB Output is correct
67 Correct 6 ms 2796 KB Output is correct
68 Correct 6 ms 2668 KB Output is correct
69 Correct 6 ms 2668 KB Output is correct
70 Correct 8 ms 2668 KB Output is correct
71 Correct 8 ms 2156 KB Output is correct
72 Correct 8 ms 2156 KB Output is correct
73 Correct 8 ms 2540 KB Output is correct
74 Correct 8 ms 2284 KB Output is correct
75 Correct 8 ms 2796 KB Output is correct
76 Correct 7 ms 3564 KB Output is correct
77 Correct 22 ms 2412 KB Output is correct
78 Correct 19 ms 2156 KB Output is correct
79 Correct 22 ms 2284 KB Output is correct
80 Correct 21 ms 2148 KB Output is correct
81 Correct 19 ms 2284 KB Output is correct
82 Correct 4 ms 492 KB Output is correct
83 Correct 15 ms 4588 KB Output is correct
84 Correct 13 ms 4716 KB Output is correct
85 Correct 8 ms 620 KB Output is correct
86 Correct 8 ms 620 KB Output is correct