oj.uz

Submission #544031

# Submission time Handle Problem Language Result Execution time Memory
544031 2022-03-31T20:17:02 Z Olympia Bali Sculptures (APIO15_sculpture) C++17
16 / 100
 1000 ms 376 KB 
#include <vector>
#include <algorithm>
#include <iostream>
#include <set>
#include <cmath>
#include <map>
#include <random>
#include <cassert>
#include <ctime>
#include <bitset>
#include <stack>
#include <cstdlib>
#include <queue>
#include <cstdio>
#include <limits.h>
#pragma GCC target ("avx2")
#pragma GCC optimization ("O1")
#pragma GCC optimization ("unroll-loops")

using namespace std;

class SparseTable {
    vector<vector<int>> dp;
    vector<int> arr;
public:
    int query (int l, int r) {
        if (l == r) {
            return arr[l];
        }
        int sz = log2(r - l);
        return dp[l][sz] + query(l + (1 << sz), r);
    }
    SparseTable (vector<int> arr) {
        this->arr = arr;
        dp.resize(arr.size());
        for (int i = 0; i < arr.size(); i++) {
            dp[i].resize(32);
            dp[i][0] = arr[i];
        }
        for (int j = 1; j < 32; j++) {
            for (int i = 0; i < arr.size(); i++) {
                dp[i][j] = dp[i][j - 1] + dp[min(i + (1 << (j - 1)), (int)arr.size() - 1)][j - 1];
            }
        }
    }
};

bool submask (int mask, int cur) {
    return ((cur | mask) == mask);
}

bool process (SparseTable& st, int A, int B, int N, int mask) {
    bitset<2000> dp[N + 1];
    bitset<2000> segments[N];
    for (int i = 0; i < N; i++) {
        for (int j = 1; j <= i; j++) {
            if (submask(mask, st.query(j, i))) {
                segments[i].set(j - 1);
            }
        }
    }
    for (int i = 0; i < N; i++) {
        if (submask(mask, st.query(0, i))) {
            dp[1].set(i);
        }
    }
    for (int j = 2; j <= N; j++) {
        for (int i = 0; i < N; i++) {
            if ((dp[j - 1] & segments[i]).count()) {
                dp[j].set(i);
            }
        }
    }
    for (int j = A; j <= B; j++) {
        if (dp[j][N - 1]) {
            return true;
        }
    }
    return false;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int N, A, B;
    cin >> N >> A >> B;
    vector<int> arr(N);
    for (int i = 0; i < N; i++) {
        cin >> arr[i];
    }
    SparseTable st(arr);
    for (int mask = 0; mask < 100000; mask++) {
        if (process(st, A, B, N, mask)) {
            cout << mask << '\n';
            return 0;
        }
    }
}

Compilation message

sculpture.cpp:17: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
   17 | #pragma GCC optimization ("O1")
      | 
sculpture.cpp:18: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
   18 | #pragma GCC optimization ("unroll-loops")
      | 
sculpture.cpp: In constructor 'SparseTable::SparseTable(std::vector<int>)':
sculpture.cpp:36:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |         for (int i = 0; i < arr.size(); i++) {
      |                         ~~^~~~~~~~~~~~
sculpture.cpp:41:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |             for (int i = 0; i < arr.size(); i++) {
      |                             ~~^~~~~~~~~~~~

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 2 ms 212 KB Output is correct
10 Correct 4 ms 328 KB Output is correct
11 Correct 5 ms 328 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 308 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 324 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 3 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Incorrect 109 ms 212 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 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 2 ms 212 KB Output is correct
10 Correct 2 ms 212 KB Output is correct
11 Correct 5 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 3 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 5 ms 212 KB Output is correct
30 Correct 2 ms 340 KB Output is correct
31 Correct 5 ms 340 KB Output is correct
32 Correct 5 ms 340 KB Output is correct
33 Correct 79 ms 340 KB Output is correct
34 Correct 3 ms 340 KB Output is correct
35 Correct 4 ms 340 KB Output is correct
36 Correct 6 ms 340 KB Output is correct

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 2 ms 212 KB Output is correct
10 Correct 3 ms 212 KB Output is correct
11 Correct 5 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 2 ms 212 KB Output is correct
16 Correct 5 ms 340 KB Output is correct
17 Correct 2 ms 340 KB Output is correct
18 Correct 6 ms 340 KB Output is correct
19 Correct 5 ms 284 KB Output is correct
20 Correct 77 ms 340 KB Output is correct
21 Correct 3 ms 340 KB Output is correct
22 Correct 4 ms 340 KB Output is correct
23 Correct 6 ms 340 KB Output is correct
24 Correct 5 ms 340 KB Output is correct
25 Correct 22 ms 360 KB Output is correct
26 Correct 20 ms 340 KB Output is correct
27 Correct 18 ms 376 KB Output is correct
28 Correct 21 ms 376 KB Output is correct
29 Correct 14 ms 376 KB Output is correct
30 Execution timed out 1096 ms 340 KB Time limit exceeded
31 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 2 ms 212 KB Output is correct
10 Correct 3 ms 212 KB Output is correct
11 Correct 5 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 3 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Incorrect 112 ms 212 KB Output isn't correct
28 Halted 0 ms 0 KB -

Subtask #5
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 2 ms 212 KB Output is correct
10 Correct 3 ms 212 KB Output is correct
11 Correct 6 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Incorrect 113 ms 212 KB Output isn't correct
15 Halted 0 ms 0 KB -