oj.uz

Submission #1050738

# Submission time Handle Problem Language Result Execution time Memory
1050738 2024-08-09T13:44:36 Z manhlinh1501 Bali Sculptures (APIO15_sculpture) C++17
46 / 100
 159 ms 67224 KB 
#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
const i64 oo64 = LLONG_MAX;
const int MAXN = 2050;

int N, L, R;
int a[MAXN];
i64 ans = oo64;

namespace subtask1 {
    bool is_subtask() {
        return N <= 20;
    }
    void solution() {
        if(is_subtask() == false) return;
        for(int mask = 0; mask < (1 << N); mask++) {
            vector<i64> b;
            b.emplace_back(0);
            int cb = (mask >> 0 & 1);
            for(int i = 0; i < N; i++) {
                if((mask >> i & 1) == cb)
                    b.back() += a[i + 1];
                else {
                    b.emplace_back(a[i + 1]);
                    cb ^= 1;
                }
            }
            i64 res = 0;
            for(i64 x : b) res |= x;
            if(L <= b.size() and b.size() <= R)
                ans = min(ans, res);
        }
        cout << ans;
        exit(0);
    }
}

namespace subtask23 {
    int dpL[MAXN][MAXN];
    int dpR[MAXN][MAXN];

    bool is_subtask() {
        for(int i = 1; i <= N; i++) {
            if(a[i] > 20) return false;
        }
        return N <= 100;
    }
    void solution() {
        memset(dpL, 0x3f, sizeof dpL);
        memset(dpR, -0x3f, sizeof dpR);
        dpL[0][0] = dpR[0][0] = 0;
        for(int i = 1; i <= N; i++) {
            int cur = 0;
            for(int j = i; j >= 1; j--) {
                cur += a[j];
                for(int mask = 0; mask < (1 << 11); mask++) {
                    dpL[i][mask | cur] = min(dpL[i][mask | cur], dpL[j - 1][mask] + 1);
                    dpR[i][mask | cur] = max(dpR[i][mask | cur], dpR[j - 1][mask] + 1);
                }
            }
        }
        for(int mask = 0; mask < (1 << 11); mask++) {
            if(dpL[N][mask] > dpR[N][mask]) continue;
            if((L <= dpL[N][mask] and dpR[N][mask] <= R) or
                    (L <= dpL[N][mask] and dpL[N][mask] <= R) or
                    (L <= dpR[N][mask] and dpR[N][mask] <= R))
                return cout << mask, void(0);
        }
        cout << "-1";
        exit(0);
    }
}

signed main() {
#define TASK "code"

    if (fopen(TASK ".inp", "r")) {
        freopen(TASK ".inp", "r", stdin);
        freopen(TASK ".out", "w", stdout);
    }

    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    cin >> N >> L >> R;
    for(int i = 1; i <= N; i++) cin >> a[i];
    subtask1::solution();
    subtask23::solution();

    return (0 ^ 0);
}

Compilation message

sculpture.cpp: In function 'void subtask1::solution()':
sculpture.cpp:31:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |             if(L <= b.size() and b.size() <= R)
      |                ~~^~~~~~~~~~~
sculpture.cpp:31:43: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   31 |             if(L <= b.size() and b.size() <= R)
      |                                  ~~~~~~~~~^~~~
sculpture.cpp: In function 'int main()':
sculpture.cpp:79:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   79 |         freopen(TASK ".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
sculpture.cpp:80:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   80 |         freopen(TASK ".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 4 ms 348 KB Output is correct
7 Correct 19 ms 348 KB Output is correct
8 Correct 127 ms 348 KB Output is correct
9 Correct 129 ms 344 KB Output is correct
10 Correct 134 ms 348 KB Output is correct
11 Correct 131 ms 344 KB Output is correct
12 Correct 127 ms 440 KB Output is correct
13 Correct 128 ms 444 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 5 ms 348 KB Output is correct
20 Correct 23 ms 464 KB Output is correct
21 Correct 141 ms 348 KB Output is correct
22 Correct 126 ms 348 KB Output is correct
23 Correct 130 ms 348 KB Output is correct
24 Correct 147 ms 344 KB Output is correct
25 Correct 128 ms 344 KB Output is correct
26 Correct 130 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 69 ms 448 KB Output is correct
31 Correct 142 ms 348 KB Output is correct
32 Correct 126 ms 348 KB Output is correct
33 Correct 128 ms 440 KB Output is correct
34 Correct 129 ms 344 KB Output is correct
35 Correct 126 ms 348 KB Output is correct
36 Correct 127 ms 440 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 4 ms 348 KB Output is correct
7 Correct 15 ms 348 KB Output is correct
8 Correct 128 ms 440 KB Output is correct
9 Correct 125 ms 348 KB Output is correct
10 Correct 129 ms 444 KB Output is correct
11 Correct 144 ms 596 KB Output is correct
12 Correct 125 ms 440 KB Output is correct
13 Correct 126 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 4 ms 348 KB Output is correct
20 Correct 15 ms 348 KB Output is correct
21 Correct 128 ms 348 KB Output is correct
22 Correct 125 ms 348 KB Output is correct
23 Correct 125 ms 344 KB Output is correct
24 Correct 136 ms 348 KB Output is correct
25 Correct 141 ms 348 KB Output is correct
26 Correct 139 ms 344 KB Output is correct
27 Correct 12 ms 33116 KB Output is correct
28 Correct 9 ms 33156 KB Output is correct
29 Correct 11 ms 33136 KB Output is correct
30 Correct 12 ms 33112 KB Output is correct
31 Correct 12 ms 33116 KB Output is correct
32 Correct 12 ms 33332 KB Output is correct
33 Correct 11 ms 33116 KB Output is correct
34 Correct 12 ms 33216 KB Output is correct
35 Correct 13 ms 33116 KB Output is correct
36 Correct 13 ms 33352 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 4 ms 348 KB Output is correct
7 Correct 20 ms 348 KB Output is correct
8 Correct 133 ms 348 KB Output is correct
9 Correct 128 ms 344 KB Output is correct
10 Correct 132 ms 344 KB Output is correct
11 Correct 125 ms 344 KB Output is correct
12 Correct 129 ms 344 KB Output is correct
13 Correct 151 ms 348 KB Output is correct
14 Correct 14 ms 33112 KB Output is correct
15 Correct 17 ms 33112 KB Output is correct
16 Correct 18 ms 33124 KB Output is correct
17 Correct 13 ms 33116 KB Output is correct
18 Correct 15 ms 33116 KB Output is correct
19 Correct 14 ms 33116 KB Output is correct
20 Correct 14 ms 33116 KB Output is correct
21 Correct 17 ms 33116 KB Output is correct
22 Correct 15 ms 33116 KB Output is correct
23 Correct 15 ms 33264 KB Output is correct
24 Correct 14 ms 33112 KB Output is correct
25 Correct 22 ms 33232 KB Output is correct
26 Correct 21 ms 33116 KB Output is correct
27 Correct 26 ms 33116 KB Output is correct
28 Correct 28 ms 33116 KB Output is correct
29 Correct 24 ms 33112 KB Output is correct
30 Correct 22 ms 33116 KB Output is correct
31 Correct 27 ms 33116 KB Output is correct
32 Correct 31 ms 33228 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 4 ms 348 KB Output is correct
7 Correct 24 ms 468 KB Output is correct
8 Correct 158 ms 604 KB Output is correct
9 Correct 130 ms 444 KB Output is correct
10 Correct 130 ms 600 KB Output is correct
11 Correct 130 ms 448 KB Output is correct
12 Correct 138 ms 348 KB Output is correct
13 Correct 159 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 4 ms 348 KB Output is correct
20 Correct 17 ms 476 KB Output is correct
21 Correct 125 ms 348 KB Output is correct
22 Correct 146 ms 344 KB Output is correct
23 Correct 131 ms 348 KB Output is correct
24 Correct 133 ms 444 KB Output is correct
25 Correct 159 ms 348 KB Output is correct
26 Correct 130 ms 344 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 0 ms 468 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 68 ms 348 KB Output is correct
31 Correct 128 ms 348 KB Output is correct
32 Correct 128 ms 344 KB Output is correct
33 Correct 127 ms 344 KB Output is correct
34 Correct 126 ms 444 KB Output is correct
35 Correct 127 ms 348 KB Output is correct
36 Correct 127 ms 344 KB Output is correct
37 Correct 8 ms 33116 KB Output is correct
38 Correct 8 ms 33364 KB Output is correct
39 Correct 10 ms 33244 KB Output is correct
40 Correct 10 ms 33112 KB Output is correct
41 Correct 13 ms 33352 KB Output is correct
42 Correct 11 ms 33116 KB Output is correct
43 Correct 11 ms 33324 KB Output is correct
44 Correct 12 ms 33116 KB Output is correct
45 Correct 11 ms 33356 KB Output is correct
46 Correct 12 ms 33116 KB Output is correct
47 Correct 12 ms 33116 KB Output is correct
48 Correct 15 ms 33116 KB Output is correct
49 Correct 18 ms 33116 KB Output is correct
50 Correct 22 ms 33116 KB Output is correct
51 Correct 25 ms 33332 KB Output is correct
52 Correct 22 ms 33116 KB Output is correct
53 Correct 26 ms 33116 KB Output is correct
54 Correct 25 ms 33112 KB Output is correct
55 Correct 28 ms 33116 KB Output is correct
56 Runtime error 31 ms 67224 KB Execution killed with signal 11
57 Halted 0 ms 0 KB -

Subtask #5
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 4 ms 344 KB Output is correct
7 Correct 15 ms 468 KB Output is correct
8 Correct 127 ms 444 KB Output is correct
9 Correct 127 ms 444 KB Output is correct
10 Correct 130 ms 440 KB Output is correct
11 Correct 128 ms 344 KB Output is correct
12 Correct 127 ms 444 KB Output is correct
13 Correct 129 ms 444 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 63 ms 348 KB Output is correct
18 Correct 126 ms 344 KB Output is correct
19 Correct 132 ms 344 KB Output is correct
20 Correct 140 ms 344 KB Output is correct
21 Correct 128 ms 348 KB Output is correct
22 Correct 126 ms 344 KB Output is correct
23 Correct 135 ms 348 KB Output is correct
24 Correct 8 ms 33116 KB Output is correct
25 Correct 8 ms 33116 KB Output is correct
26 Correct 10 ms 33352 KB Output is correct
27 Correct 10 ms 33116 KB Output is correct
28 Correct 11 ms 33248 KB Output is correct
29 Correct 11 ms 33116 KB Output is correct
30 Correct 11 ms 33240 KB Output is correct
31 Correct 12 ms 33116 KB Output is correct
32 Correct 12 ms 33112 KB Output is correct
33 Correct 11 ms 33116 KB Output is correct
34 Correct 12 ms 33356 KB Output is correct
35 Correct 15 ms 33260 KB Output is correct
36 Correct 18 ms 33356 KB Output is correct
37 Correct 23 ms 33268 KB Output is correct
38 Correct 25 ms 33116 KB Output is correct
39 Correct 24 ms 33116 KB Output is correct
40 Correct 22 ms 33116 KB Output is correct
41 Correct 25 ms 33224 KB Output is correct
42 Correct 25 ms 33364 KB Output is correct
43 Runtime error 27 ms 67160 KB Execution killed with signal 11
44 Halted 0 ms 0 KB -