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답안 #592105

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
592105 2022-07-08T13:49:32 Z tutis Uplifting Excursion (BOI22_vault) C++17
5 / 100
 5000 ms 524288 KB 
/*input
2 5
2 3 1 1 4

*/

#pragma GCC optimize ("O3")
#pragma GCC target("avx,avx2,fma")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
template <typename T>
using oset = tree<T,  null_type,  less<T>,  rb_tree_tag,  tree_order_statistics_node_update>;

using ll = long long;
using ull = unsigned long long;
using ld = long double;
mt19937_64 rng(0);
int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	int M;
	ll L;
	cin >> M >> L;
	ll A_[2 * M + 1];
	ll* A = A_ + M;
	for (int i = -M; i <= M; i++)
		cin >> A[i];
	ll pl = 0;
	pl += A[0];
	A[0] = 0;
	L = -L;
	ll cnt = 0;
	for (int l = -M; l <= M; l++)
	{
		L += l * A[l];
		cnt += A[l];
	}
	cc_hash_table<ll, ll>D;
	D[0] = 0;
	ll del = M;
	A[0] = 1;
	for (int v = M; v >= 1; v--)
	{
		cc_hash_table<ll, ll>D_;
		for (int l : {v, -v})
		{
			for (pair<ll, ll>v : D)
			{
				ll k = (L - v.first) / l;
				k = max(k, 0ll);
				k = min(k, A[l]);
				ll lo = max(0ll, k - del);
				ll hi = min(k + del, A[l]);
				if (abs(L - (v.first + k * l)) < abs(l) && A[L - (v.first + k * l)] > 0)
				{
					ll v_ = v.first + l * k;
					ll c_ = v.second + k;
					auto it = D_.find(v_);
					if (it == D_.end())
						D_[v_] = c_;
					else
						it->second = min(it->second, c_);
				}
				else
					for (ll c = lo; c <= hi; c++)
					{
						ll v_ = v.first + l * c;
						ll c_ = v.second + c;
						auto it = D_.find(v_);
						if (it == D_.end())
							D_[v_] = c_;
						else
							it->second = min(it->second, c_);
					}
			}
		}
		D = D_;
	}
	if (D.find(L) != D.end())
		cout << pl + cnt - D[L] << "\n";
	else
		cout << "impossible\n";
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 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 340 KB Output is correct
5 Correct 968 ms 9412 KB Output is correct
6 Correct 988 ms 14824 KB Output is correct
7 Correct 256 ms 4540 KB Output is correct
8 Correct 809 ms 8896 KB Output is correct
9 Correct 2750 ms 17444 KB Output is correct
10 Correct 20 ms 772 KB Output is correct
11 Correct 23 ms 852 KB Output is correct

Subtask #2
0 / 15.0

# 결과 실행 시간 메모리 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 340 KB Output is correct
5 Correct 968 ms 9412 KB Output is correct
6 Correct 988 ms 14824 KB Output is correct
7 Correct 256 ms 4540 KB Output is correct
8 Correct 809 ms 8896 KB Output is correct
9 Correct 2750 ms 17444 KB Output is correct
10 Correct 20 ms 772 KB Output is correct
11 Correct 23 ms 852 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 1 ms 340 KB Output is correct
16 Correct 1018 ms 9548 KB Output is correct
17 Correct 978 ms 14724 KB Output is correct
18 Correct 245 ms 4520 KB Output is correct
19 Correct 793 ms 8892 KB Output is correct
20 Correct 2665 ms 17472 KB Output is correct
21 Correct 19 ms 772 KB Output is correct
22 Correct 24 ms 852 KB Output is correct
23 Execution timed out 5063 ms 63740 KB Time limit exceeded
24 Halted 0 ms 0 KB -

Subtask #3-1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 6 ms 468 KB Output is correct
3 Correct 11 ms 780 KB Output is correct
4 Runtime error 2859 ms 524288 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #3-2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 6 ms 468 KB Output is correct
3 Correct 11 ms 780 KB Output is correct
4 Runtime error 2859 ms 524288 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #4-1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 6 ms 468 KB Output is correct
3 Correct 11 ms 780 KB Output is correct
4 Runtime error 2859 ms 524288 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #4-2
0 / 10.0

# 결과 실행 시간 메모리 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 340 KB Output is correct
5 Correct 968 ms 9412 KB Output is correct
6 Correct 988 ms 14824 KB Output is correct
7 Correct 256 ms 4540 KB Output is correct
8 Correct 809 ms 8896 KB Output is correct
9 Correct 2750 ms 17444 KB Output is correct
10 Correct 20 ms 772 KB Output is correct
11 Correct 23 ms 852 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 6 ms 468 KB Output is correct
14 Correct 11 ms 780 KB Output is correct
15 Runtime error 2859 ms 524288 KB Execution killed with signal 9
16 Halted 0 ms 0 KB -

Subtask #5-1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 6 ms 468 KB Output is correct
3 Correct 11 ms 780 KB Output is correct
4 Runtime error 2859 ms 524288 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #5-2
0 / 10.0

# 결과 실행 시간 메모리 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 340 KB Output is correct
5 Correct 968 ms 9412 KB Output is correct
6 Correct 988 ms 14824 KB Output is correct
7 Correct 256 ms 4540 KB Output is correct
8 Correct 809 ms 8896 KB Output is correct
9 Correct 2750 ms 17444 KB Output is correct
10 Correct 20 ms 772 KB Output is correct
11 Correct 23 ms 852 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 1 ms 340 KB Output is correct
16 Correct 1018 ms 9548 KB Output is correct
17 Correct 978 ms 14724 KB Output is correct
18 Correct 245 ms 4520 KB Output is correct
19 Correct 793 ms 8892 KB Output is correct
20 Correct 2665 ms 17472 KB Output is correct
21 Correct 19 ms 772 KB Output is correct
22 Correct 24 ms 852 KB Output is correct
23 Execution timed out 5063 ms 63740 KB Time limit exceeded
24 Halted 0 ms 0 KB -

Subtask #6-1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 6 ms 468 KB Output is correct
3 Correct 11 ms 780 KB Output is correct
4 Runtime error 2859 ms 524288 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #6-2
0 / 10.0

# 결과 실행 시간 메모리 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 340 KB Output is correct
5 Correct 968 ms 9412 KB Output is correct
6 Correct 988 ms 14824 KB Output is correct
7 Correct 256 ms 4540 KB Output is correct
8 Correct 809 ms 8896 KB Output is correct
9 Correct 2750 ms 17444 KB Output is correct
10 Correct 20 ms 772 KB Output is correct
11 Correct 23 ms 852 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 1 ms 340 KB Output is correct
16 Correct 1018 ms 9548 KB Output is correct
17 Correct 978 ms 14724 KB Output is correct
18 Correct 245 ms 4520 KB Output is correct
19 Correct 793 ms 8892 KB Output is correct
20 Correct 2665 ms 17472 KB Output is correct
21 Correct 19 ms 772 KB Output is correct
22 Correct 24 ms 852 KB Output is correct
23 Execution timed out 5063 ms 63740 KB Time limit exceeded
24 Halted 0 ms 0 KB -