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답안 #231029

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
231029 2020-05-12T11:51:44 Z peijar Bali Sculptures (APIO15_sculpture) C++17
100 / 100
 516 ms 552 KB 
#include <bits/stdc++.h>
using namespace std;

#define SZ(v) ((int)(v).size())
using ll = long long;

const int MAXP = 60;

int nb_sculptures, min_parti, max_parti;
vector<ll> valeur;

void read_in()
{
	cin >> nb_sculptures >> min_parti >> max_parti;
	valeur.resize(nb_sculptures);

	for (auto &v : valeur)
		cin >> v;
}

void solve_a1(void)
{
	ll cur_prefix=0;
	ll mask=0;
	auto try_prefix = [&](void) 
	{
		vector<int> dp(nb_sculptures+1);
		dp[nb_sculptures] = 0;
		for (int i(nb_sculptures-1); i >= 0; --i)
		{
			dp[i] = 1e9;
			ll sum(0);
			for (int nxt(i); nxt < nb_sculptures; ++nxt)
			{
				sum += valeur[nxt];
				if (((sum & mask) & cur_prefix) == (sum & mask))
					dp[i] = min(dp[i], 1 + dp[nxt+1]);
			}
		}
		return dp[0] <= max_parti;
	};

	for (ll p(MAXP-1); p >= 0; --p)
	{
		mask += (1LL<<p);
		if (!try_prefix())
			cur_prefix += (1LL<<p);
		assert(try_prefix());
	}
	cout << cur_prefix << endl;
}

void solve_a2(void)
{
	ll cur_prefix = 0;
	ll mask=0;
	auto try_prefix = [&](void)
	{
		vector<vector<bool>> dp(nb_sculptures+1, vector<bool>(max_parti+1));
		dp[nb_sculptures][0] = true;
		for (int i(nb_sculptures-1); i >= 0; --i)
			for (int nb_parti(1); nb_parti <= max_parti; ++nb_parti)
			{
				ll sum(0);
				for (int nxt(i); nxt < nb_sculptures; ++nxt)
				{
					sum += valeur[nxt];
					if (((sum & mask) & cur_prefix) == (sum & mask))
						dp[i][nb_parti] = dp[i][nb_parti] | dp[nxt+1][nb_parti-1];
				}
			}
		bool ret = false;
		for (int nb_parti(min_parti); nb_parti <= max_parti; ++nb_parti)
			ret = ret | dp[0][nb_parti];
		return ret;
	};

	for (ll p(MAXP-1); p >= 0; --p)
	{
		mask += (1LL<<p);
		if (!try_prefix())
			cur_prefix += (1LL<<p);
		assert(try_prefix());
	}
	cout << cur_prefix << endl;
}

int main(void)
{
	ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);

	read_in();
	if (min_parti >= 2)
		solve_a2();
	else
		solve_a1();
}

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 308 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 512 KB Output is correct
19 Correct 6 ms 384 KB Output is correct
20 Correct 5 ms 432 KB Output is correct
21 Correct 6 ms 384 KB Output is correct
22 Correct 6 ms 384 KB Output is correct
23 Correct 6 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 7 ms 384 KB Output is correct
26 Correct 7 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 6 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 5 ms 384 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 5 ms 384 KB Output is correct
36 Correct 5 ms 384 KB Output is correct

Subtask #2
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 6 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 7 ms 432 KB Output is correct
22 Correct 6 ms 384 KB Output is correct
23 Correct 6 ms 384 KB Output is correct
24 Correct 5 ms 552 KB Output is correct
25 Correct 6 ms 384 KB Output is correct
26 Correct 6 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 6 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 6 ms 288 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 6 ms 384 KB Output is correct
36 Correct 5 ms 384 KB Output is correct

Subtask #3
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 304 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 360 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 432 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 6 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 6 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 432 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 6 ms 384 KB Output is correct
27 Correct 7 ms 384 KB Output is correct
28 Correct 7 ms 384 KB Output is correct
29 Correct 7 ms 384 KB Output is correct
30 Correct 7 ms 384 KB Output is correct
31 Correct 7 ms 384 KB Output is correct
32 Correct 7 ms 384 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 6 ms 384 KB Output is correct
19 Correct 6 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 6 ms 384 KB Output is correct
22 Correct 6 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 6 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 5 ms 384 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 5 ms 384 KB Output is correct
36 Correct 5 ms 384 KB Output is correct
37 Correct 5 ms 384 KB Output is correct
38 Correct 5 ms 384 KB Output is correct
39 Correct 5 ms 384 KB Output is correct
40 Correct 5 ms 384 KB Output is correct
41 Correct 5 ms 384 KB Output is correct
42 Correct 5 ms 384 KB Output is correct
43 Correct 5 ms 384 KB Output is correct
44 Correct 5 ms 384 KB Output is correct
45 Correct 6 ms 384 KB Output is correct
46 Correct 5 ms 384 KB Output is correct
47 Correct 5 ms 384 KB Output is correct
48 Correct 5 ms 384 KB Output is correct
49 Correct 6 ms 384 KB Output is correct
50 Correct 6 ms 384 KB Output is correct
51 Correct 7 ms 384 KB Output is correct
52 Correct 6 ms 384 KB Output is correct
53 Correct 7 ms 384 KB Output is correct
54 Correct 7 ms 384 KB Output is correct
55 Correct 7 ms 384 KB Output is correct
56 Correct 5 ms 384 KB Output is correct
57 Correct 6 ms 384 KB Output is correct
58 Correct 6 ms 384 KB Output is correct
59 Correct 6 ms 384 KB Output is correct
60 Correct 6 ms 384 KB Output is correct
61 Correct 6 ms 384 KB Output is correct
62 Correct 6 ms 384 KB Output is correct
63 Correct 6 ms 384 KB Output is correct
64 Correct 227 ms 392 KB Output is correct
65 Correct 15 ms 384 KB Output is correct
66 Correct 13 ms 384 KB Output is correct
67 Correct 30 ms 384 KB Output is correct
68 Correct 86 ms 384 KB Output is correct
69 Correct 176 ms 388 KB Output is correct
70 Correct 173 ms 384 KB Output is correct
71 Correct 9 ms 384 KB Output is correct
72 Correct 194 ms 384 KB Output is correct
73 Correct 144 ms 504 KB Output is correct
74 Correct 130 ms 504 KB Output is correct

Subtask #5
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 4 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 5 ms 384 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 5 ms 384 KB Output is correct
36 Correct 6 ms 384 KB Output is correct
37 Correct 6 ms 384 KB Output is correct
38 Correct 7 ms 384 KB Output is correct
39 Correct 7 ms 384 KB Output is correct
40 Correct 7 ms 384 KB Output is correct
41 Correct 7 ms 384 KB Output is correct
42 Correct 8 ms 384 KB Output is correct
43 Correct 5 ms 384 KB Output is correct
44 Correct 6 ms 384 KB Output is correct
45 Correct 6 ms 256 KB Output is correct
46 Correct 6 ms 384 KB Output is correct
47 Correct 6 ms 384 KB Output is correct
48 Correct 6 ms 384 KB Output is correct
49 Correct 6 ms 384 KB Output is correct
50 Correct 7 ms 384 KB Output is correct
51 Correct 6 ms 384 KB Output is correct
52 Correct 49 ms 384 KB Output is correct
53 Correct 76 ms 384 KB Output is correct
54 Correct 136 ms 384 KB Output is correct
55 Correct 136 ms 384 KB Output is correct
56 Correct 496 ms 384 KB Output is correct
57 Correct 491 ms 504 KB Output is correct
58 Correct 490 ms 504 KB Output is correct
59 Correct 488 ms 384 KB Output is correct
60 Correct 516 ms 504 KB Output is correct
61 Correct 6 ms 384 KB Output is correct
62 Correct 78 ms 384 KB Output is correct
63 Correct 138 ms 384 KB Output is correct
64 Correct 132 ms 384 KB Output is correct
65 Correct 251 ms 384 KB Output is correct
66 Correct 378 ms 504 KB Output is correct
67 Correct 499 ms 384 KB Output is correct
68 Correct 509 ms 384 KB Output is correct
69 Correct 496 ms 384 KB Output is correct