oj.uz

Submission #339488

# Submission time Handle Problem Language Result Execution time Memory
339488 2020-12-25T13:47:40 Z blue Bali Sculptures (APIO15_sculpture) C++11
37 / 100
 31 ms 492 KB 
#include <iostream>
#include <vector>
using namespace std;

//Subtask 1, 2, 4: N <= 100
/*
For the worst beauty value, we want to first of all make the most significant bit as small as possible.

Loop through all the bits: log(max_N)    =  32
Loop through all the positions:     N    =  100
Loop through all the previous choices: N =  100
Loop through all the choices of x (a<x<b)=  100
Grand total                              = 32e6 = 3e7 √
*/

//     arr size,   limits on x,   sculpture values
int solve_1(int N, int A, int B, vector<int> Y)
{
    // for(int y:Y) cout << y << ' ';
    // cout << '\n';


    int dp[N+1][B+1]; //is it possible to partition 1..i into j groups such that no group has value v & 1<<bit == 1
    int res = (1 << 30) - 1, temp;   //fix this number
    int curr_res = 0;
    for(int bit = 29; bit >= 0; bit--) //fix this number
    {
        // cout << "bit = " << bit << '\n';
        for(int i = 0; i <= N; i++) for(int x = 0; x <= B; x++) dp[i][x] = 0;
        res -= (1 << bit);

        // cout << "res = " << res << '\n';

        dp[0][0] = 1;
        for(int i = 1; i <= N; i++)
        {
            dp[i][1] = (Y[i] | res) <= res;
            for(int x = 2; x <= B; x++)
            {
                for(int j = 0; j < i; j++)
                {
                    if(((Y[i] - Y[j]) | res) > res) continue;
                    if(!dp[j][x-1]) continue;
                    // cout << i << ' ' << x << ' ' << j << ' ' << Y[i] - Y[j] << ' ' << res << '\n';
                    dp[i][x] |= dp[j][x-1];
                }
            }
        }

        // for(int x = 1; x <= B; x++)
        // {
        //     for(int i = 1; i <= N; i++)
        //     {
        //         cout << dp[i][x] << ' ';
        //     }
        //     cout << '\n';
        // }

        temp = 0;
        for(int x = A; x <= B; x++) temp |= dp[N][x];
        if(!temp) res += (1 << bit);


        // cout << "______________________\n";
    }
    return res;
}

/*
-----------------------------------------------------
*/

//Subtask 3, 5: A = 1
/*

*/
int solve_2(int N, int B, vector<int> Y)
{
    return 0;
}

int main()
{
    int N, A, B;
    cin >> N >> A >> B;

    vector<int> Y(N+1);
    Y[0] = 0;
    for(int i = 1; i <= N; i++)
    {
        cin >> Y[i];
        Y[i] += Y[i-1];
    }

    /*if(N <= 100)*/cout << solve_1(N, A, B, Y) << '\n';
    //else cout << solve_2(N, B, Y) << '\n'; //A = 1
}

Compilation message

sculpture.cpp: In function 'int solve_1(int, int, int, std::vector<int>)':
sculpture.cpp:25:9: warning: unused variable 'curr_res' [-Wunused-variable]
   25 |     int curr_res = 0;
      |         ^~~~~~~~

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 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 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 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 Incorrect 1 ms 364 KB Output isn't correct
28 Halted 0 ms 0 KB -

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 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 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 236 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 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 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 2 ms 364 KB Output is correct
31 Correct 2 ms 364 KB Output is correct
32 Correct 2 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 2 ms 364 KB Output is correct
35 Correct 2 ms 364 KB Output is correct
36 Correct 2 ms 364 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 384 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 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 2 ms 364 KB Output is correct
18 Correct 2 ms 364 KB Output is correct
19 Correct 2 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 2 ms 364 KB Output is correct
22 Correct 2 ms 364 KB Output is correct
23 Correct 2 ms 364 KB Output is correct
24 Correct 3 ms 364 KB Output is correct
25 Correct 2 ms 364 KB Output is correct
26 Correct 6 ms 364 KB Output is correct
27 Correct 15 ms 364 KB Output is correct
28 Correct 31 ms 492 KB Output is correct
29 Correct 31 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 16 ms 364 KB Output is correct
32 Correct 24 ms 364 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 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 384 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 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 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 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 Incorrect 1 ms 364 KB Output isn't correct
28 Halted 0 ms 0 KB -

Subtask #5
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 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 Incorrect 1 ms 364 KB Output isn't correct
15 Halted 0 ms 0 KB -