oj.uz

답안 #320858

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
320858 2020-11-10T06:02:07 Z knon0501 Mountains (IOI17_mountains) C++14
40 / 100
 1000 ms 512 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 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]=0;
    int i,j;

    for(i=l ; i<=r ; i++){
        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:17:11: warning: unused variable 'j' [-Wunused-variable]
   17 |     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 1 ms 512 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 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 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 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 1 ms 512 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 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 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 14 ms 364 KB Output is correct
18 Correct 19 ms 364 KB Output is correct
19 Correct 12 ms 364 KB Output is correct
20 Correct 16 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 3 ms 364 KB Output is correct
28 Correct 2 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 918 ms 484 KB Output is correct
34 Correct 6 ms 364 KB Output is correct
35 Correct 2 ms 364 KB Output is correct
36 Correct 563 ms 480 KB Output is correct
37 Correct 914 ms 484 KB Output is correct
38 Correct 339 ms 392 KB Output is correct

Subtask #3
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 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 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 14 ms 364 KB Output is correct
18 Correct 19 ms 364 KB Output is correct
19 Correct 12 ms 364 KB Output is correct
20 Correct 16 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 3 ms 364 KB Output is correct
28 Correct 2 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 918 ms 484 KB Output is correct
34 Correct 6 ms 364 KB Output is correct
35 Correct 2 ms 364 KB Output is correct
36 Correct 563 ms 480 KB Output is correct
37 Correct 914 ms 484 KB Output is correct
38 Correct 339 ms 392 KB Output is correct
39 Execution timed out 1094 ms 404 KB Time limit exceeded
40 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 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 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 14 ms 364 KB Output is correct
18 Correct 19 ms 364 KB Output is correct
19 Correct 12 ms 364 KB Output is correct
20 Correct 16 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 3 ms 364 KB Output is correct
28 Correct 2 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 918 ms 484 KB Output is correct
34 Correct 6 ms 364 KB Output is correct
35 Correct 2 ms 364 KB Output is correct
36 Correct 563 ms 480 KB Output is correct
37 Correct 914 ms 484 KB Output is correct
38 Correct 339 ms 392 KB Output is correct
39 Execution timed out 1094 ms 404 KB Time limit exceeded
40 Halted 0 ms 0 KB -