oj.uz

Submission #389621

# Submission time Handle Problem Language Result Execution time Memory
389621 2021-04-14T09:55:23 Z milleniumEeee Bali Sculptures (APIO15_sculpture) C++17
100 / 100
 190 ms 4300 KB 
#include <bits/stdc++.h>
#define fr first
#define sc second
#define pii pair<int, int>
#define pb push_back
#define szof(s) (int)s.size()
#define all(s) s.begin(), s.end()
#define fastInp ios_base::sync_with_stdio(0); cin.tie(0);
#define int long long
using namespace std;

const int MAXN = 2005;
const int INF = 1e18;

int y[MAXN];
int pref[MAXN];
int n, a, b;

int get_sum(int l, int r) {
	return pref[r] - pref[l - 1];
}
bool in(int small, int big) {
	return ((big & small) == small);
}

namespace subtask4 {
	bool dp[MAXN][MAXN];	
	bool check(int x) {
		memset(dp, 0, sizeof(dp));
		dp[0][0] = 1;
		for (int gr = 1; gr <= b; gr++) {
			for (int i = gr; i <= n; i++) {
				for (int last = 0; last < i; last++) {
					if (dp[gr - 1][last] && in(get_sum(last + 1, i), x)) {
						dp[gr][i] = 1;
					}
				}
			}
		}
		for (int gr = a; gr <= b; gr++) {
			if (dp[gr][n]) {
				return true;
			}
		}
		return false;
	}
	void solve() {
		int cur = (1ll << 63) - 1;
		for (int i = 62; i >= 0; i--) {
			if (check(cur ^ (1ll << i))) {
				cur ^= (1ll << i);
			}
		}
		cout << cur << endl;	
		exit(0);
	}
};

signed main() {
	fastInp;
	cin >> n >> a >> b;
	for (int i = 1; i <= n; i++) {
		cin >> y[i];
		pref[i] = pref[i - 1] + y[i];
	}
	if (a > 1) {
		subtask4::solve();
	} else {
		auto check = [&](int x) {
			vector <int> dp(MAXN, INF);
			dp[0] = 0;
			for (int i = 0; i < n; i++) {
				if (dp[i] == INF) {
					continue;
				}
				for (int j = i + 1; j <= n; j++) {
					if (in(get_sum(i + 1, j), x)) {
						dp[j] = min(dp[j], dp[i] + 1);
					}
				}
			}
			return dp[n] <= b;
		};
		int cur = (1ll << 63) - 1;
		for (int i = 62; i >= 0; i--) {
			if (check(cur ^ (1ll << i))) {
				cur ^= (1ll << i);
			}
		}
		cout << cur << endl;
	}
}
/*
6 1 3
8 1 2 1 5 4
*/

Compilation message

sculpture.cpp: In function 'void subtask4::solve()':
sculpture.cpp:48:25: warning: integer overflow in expression of type 'long long int' results in '9223372036854775807' [-Woverflow]
   48 |   int cur = (1ll << 63) - 1;
      |             ~~~~~~~~~~~~^~~
sculpture.cpp: In function 'int main()':
sculpture.cpp:84:25: warning: integer overflow in expression of type 'long long int' results in '9223372036854775807' [-Woverflow]
   84 |   int cur = (1ll << 63) - 1;
      |             ~~~~~~~~~~~~^~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 11 ms 4256 KB Output is correct
15 Correct 11 ms 4172 KB Output is correct
16 Correct 12 ms 4256 KB Output is correct
17 Correct 12 ms 4256 KB Output is correct
18 Correct 12 ms 4172 KB Output is correct
19 Correct 12 ms 4172 KB Output is correct
20 Correct 12 ms 4172 KB Output is correct
21 Correct 12 ms 4172 KB Output is correct
22 Correct 13 ms 4256 KB Output is correct
23 Correct 13 ms 4252 KB Output is correct
24 Correct 12 ms 4252 KB Output is correct
25 Correct 11 ms 4172 KB Output is correct
26 Correct 12 ms 4256 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 12 ms 4252 KB Output is correct
15 Correct 12 ms 4256 KB Output is correct
16 Correct 12 ms 4172 KB Output is correct
17 Correct 13 ms 4260 KB Output is correct
18 Correct 11 ms 4172 KB Output is correct
19 Correct 12 ms 4172 KB Output is correct
20 Correct 12 ms 4172 KB Output is correct
21 Correct 12 ms 4172 KB Output is correct
22 Correct 12 ms 4256 KB Output is correct
23 Correct 11 ms 4172 KB Output is correct
24 Correct 12 ms 4256 KB Output is correct
25 Correct 12 ms 4172 KB Output is correct
26 Correct 12 ms 4172 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 336 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 336 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 336 KB Output is correct
32 Correct 2 ms 332 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 11 ms 4172 KB Output is correct
15 Correct 11 ms 4264 KB Output is correct
16 Correct 12 ms 4300 KB Output is correct
17 Correct 12 ms 4256 KB Output is correct
18 Correct 11 ms 4172 KB Output is correct
19 Correct 12 ms 4256 KB Output is correct
20 Correct 12 ms 4252 KB Output is correct
21 Correct 13 ms 4172 KB Output is correct
22 Correct 11 ms 4252 KB Output is correct
23 Correct 11 ms 4172 KB Output is correct
24 Correct 12 ms 4252 KB Output is correct
25 Correct 12 ms 4172 KB Output is correct
26 Correct 12 ms 4252 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 1 ms 332 KB Output is correct
44 Correct 1 ms 332 KB Output is correct
45 Correct 1 ms 332 KB Output is correct
46 Correct 1 ms 332 KB Output is correct
47 Correct 1 ms 336 KB Output is correct
48 Correct 1 ms 332 KB Output is correct
49 Correct 1 ms 332 KB Output is correct
50 Correct 1 ms 332 KB Output is correct
51 Correct 1 ms 332 KB Output is correct
52 Correct 1 ms 332 KB Output is correct
53 Correct 1 ms 332 KB Output is correct
54 Correct 1 ms 332 KB Output is correct
55 Correct 1 ms 332 KB Output is correct
56 Correct 1 ms 332 KB Output is correct
57 Correct 1 ms 332 KB Output is correct
58 Correct 1 ms 332 KB Output is correct
59 Correct 1 ms 332 KB Output is correct
60 Correct 1 ms 332 KB Output is correct
61 Correct 1 ms 336 KB Output is correct
62 Correct 1 ms 332 KB Output is correct
63 Correct 1 ms 332 KB Output is correct
64 Correct 32 ms 4172 KB Output is correct
65 Correct 14 ms 4256 KB Output is correct
66 Correct 14 ms 4172 KB Output is correct
67 Correct 17 ms 4260 KB Output is correct
68 Correct 31 ms 4256 KB Output is correct
69 Correct 39 ms 4172 KB Output is correct
70 Correct 40 ms 4172 KB Output is correct
71 Correct 12 ms 4172 KB Output is correct
72 Correct 41 ms 4256 KB Output is correct
73 Correct 37 ms 4172 KB Output is correct
74 Correct 35 ms 4260 KB Output is correct

Subtask #5
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 280 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 336 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 1 ms 332 KB Output is correct
44 Correct 1 ms 332 KB Output is correct
45 Correct 1 ms 332 KB Output is correct
46 Correct 1 ms 332 KB Output is correct
47 Correct 1 ms 332 KB Output is correct
48 Correct 1 ms 332 KB Output is correct
49 Correct 1 ms 332 KB Output is correct
50 Correct 1 ms 332 KB Output is correct
51 Correct 1 ms 336 KB Output is correct
52 Correct 13 ms 332 KB Output is correct
53 Correct 14 ms 376 KB Output is correct
54 Correct 47 ms 336 KB Output is correct
55 Correct 36 ms 332 KB Output is correct
56 Correct 103 ms 332 KB Output is correct
57 Correct 96 ms 332 KB Output is correct
58 Correct 118 ms 340 KB Output is correct
59 Correct 152 ms 452 KB Output is correct
60 Correct 109 ms 376 KB Output is correct
61 Correct 1 ms 324 KB Output is correct
62 Correct 14 ms 332 KB Output is correct
63 Correct 48 ms 332 KB Output is correct
64 Correct 25 ms 332 KB Output is correct
65 Correct 50 ms 376 KB Output is correct
66 Correct 78 ms 332 KB Output is correct
67 Correct 97 ms 332 KB Output is correct
68 Correct 190 ms 332 KB Output is correct
69 Correct 103 ms 332 KB Output is correct