답안 #339493

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
339493	2020-12-25T13:54:23 Z	blue	Bali Sculptures (APIO15_sculpture)	C++11	37 / 100	37 ms	492 KB

sculpture

#include <iostream>
#include <vector>
using namespace std;

//Subtask 1, 2, 3, 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 √
*/

long long pow2[35];

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


    long long dp[N+1][B+1]; //is it possible to partition 1..i long longo j groups such that no group has value v & 1<<bit == 1
    long long res = pow2[34] - 1, temp;   //fix this number
    long long curr_res = 0;
    for(long long bit = 33; bit >= 0; bit--) //fix this number
    {
        // cout << "bit = " << bit << '\n';
        for(long long i = 0; i <= N; i++) for(long long x = 0; x <= B; x++) dp[i][x] = 0;
        res -= pow2[bit];

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

        dp[0][0] = 1;
        for(long long i = 1; i <= N; i++)
        {
            dp[i][1] = (Y[i] | res) <= res;
            for(long long x = 2; x <= B; x++)
            {
                for(long long 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(long long x = 1; x <= B; x++)
        // {
        //     for(long long i = 1; i <= N; i++)
        //     {
        //         cout << dp[i][x] << ' ';
        //     }
        //     cout << '\n';
        // }

        temp = 0;
        for(long long x = A; x <= B; x++) temp |= dp[N][x];
        if(!temp) res += pow2[bit];


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

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

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

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

int main()
{
    pow2[0] = 1;
    for(int i = 1; i < 35; i++) pow2[i] = pow2[i-1] * 2;

    long long N, A, B;
    cin >> N >> A >> B;

    vector<long long> Y(N+1);
    Y[0] = 0;
    for(long long 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 'long long int solve_1(long long int, long long int, long long int, std::vector<long long int>)':
sculpture.cpp:27:15: warning: unused variable 'curr_res' [-Wunused-variable]
   27 |     long long curr_res = 0;
      |               ^~~~~~~~

Subtask #1
0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	0 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	0 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	0 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	0 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	Correct	0 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	1 ms	364 KB	Output is correct
31	Correct	1 ms	364 KB	Output is correct
32	Incorrect	1 ms	364 KB	Output isn't correct
33	Halted	0 ms	0 KB	-

Subtask #2
16.0 / 16.0

#	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	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	0 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	0 ms	364 KB	Output is correct
15	Correct	0 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	380 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	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	3 ms	364 KB	Output is correct
32	Correct	3 ms	364 KB	Output is correct
33	Correct	1 ms	364 KB	Output is correct
34	Correct	3 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

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	0 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	2 ms	364 KB	Output is correct
18	Correct	3 ms	364 KB	Output is correct
19	Correct	3 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	3 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	19 ms	492 KB	Output is correct
28	Correct	37 ms	364 KB	Output is correct
29	Correct	36 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	19 ms	364 KB	Output is correct
32	Correct	29 ms	364 KB	Output is correct

Subtask #4
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	492 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	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	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	1 ms	364 KB	Output is correct
31	Correct	1 ms	364 KB	Output is correct
32	Incorrect	1 ms	364 KB	Output isn't correct
33	Halted	0 ms	0 KB	-

Subtask #5
0 / 29.0

#	결과	실행 시간	메모리	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	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Incorrect	1 ms	364 KB	Output isn't correct
20	Halted	0 ms	0 KB	-

답안 #339493

Compilation message

Subtask #1 0 / 9.0

Subtask #2 16.0 / 16.0

Subtask #3 21.0 / 21.0

Subtask #4 0 / 25.0

Subtask #5 0 / 29.0

Subtask #1
0 / 9.0

Subtask #2
16.0 / 16.0

Subtask #3
21.0 / 21.0

Subtask #4
0 / 25.0

Subtask #5
0 / 29.0