답안 #574296

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
574296	2022-06-08T09:51:06 Z	8e7	Uplifting Excursion (BOI22_vault)	C++17	30 / 100	4073 ms	48008 KB

vault

//Challenge: Accepted
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
using namespace std;
#ifdef zisk
void debug(){cout << endl;}
template<class T, class ... U> void debug(T a, U ... b){cout << a << " ", debug(b...);}
template<class T> void pary(T l, T r) {
	while (l != r) cout << *l << " ", l++;
	cout << endl;
}
#else
#define debug(...) 0
#define pary(...) 0
#endif
#define ll long long
#define maxn 6000005
#define pii pair<int, int>
#define ff first
#define ss second
#define io ios_base::sync_with_stdio(0);cin.tie(0);
const int inf = 1<<30;
int dp[maxn];
int main() {
	io
		int m;
	ll L;
	cin >> m >> L;
	vector<ll> a(2*m+1), ex(2*m+1);	
	ll mins = 0, ans = 0;
	for (int i = 0;i < 2*m+1;i++) {
		cin >> a[i];
		if (i == m) ans += a[i], a[i] = 0;
	}
	for (int i = m+1;i < 2*m+1;i++) {
		ll p = min(a[i], L / (i-m));
		ans += p;
		L -= p * (i-m);
		a[i] -= p;

		ex[i] = min(a[i], (ll)m);
		ex[2 * m - i] = min(p,(ll)m);
	}
	for (int i = 0;i < 2 * m+1;i++) {
		if (i < m) mins += ex[i] * (i - m);
	}
	for (int i = 0;i < maxn;i++) dp[i] = -inf;	

	dp[-mins] = 0;
	for (int i = 0;i < 2*m+1;i++) {
		ll cnt = 1;
		vector<int> num;
		while (ex[i] >= cnt) {
			num.push_back(cnt);
			ex[i] -= cnt;
			cnt <<= 1;
		}
		if (ex[i] > 0) num.push_back(ex[i]);
		for (int p:num) {
			if (i - m > 0) {
				for (int j = maxn - 1;j >= 0;j--) {
					int val = j + p * (i-m);
					if (val >= maxn) continue;
					int del = i < m ? -p : p;
					dp[val] = max(dp[val], dp[j] + del);
				}
			} else {
				for (int j = 0;j < maxn;j++) {
					int val = j + p * (i-m);
					if (val < 0) continue;
					int del = i < m ? -p : p;
					dp[val] = max(dp[val], dp[j] + del);
				}
			}
		}
	}
	if (L - mins >= maxn || L - mins < 0 || dp[L - mins] < -maxn) cout << "impossible\n";
	else cout << dp[L - mins]+ans << "\n";
}

Subtask #1
0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	41 ms	23780 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #2
0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	41 ms	23780 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #3-1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	202 ms	23784 KB	Output is correct
2	Correct	878 ms	23808 KB	Output is correct
3	Correct	256 ms	23764 KB	Output is correct
4	Correct	942 ms	23780 KB	Output is correct
5	Correct	978 ms	23780 KB	Output is correct
6	Correct	858 ms	23784 KB	Output is correct
7	Correct	106 ms	23784 KB	Output is correct
8	Correct	125 ms	23784 KB	Output is correct
9	Correct	518 ms	23788 KB	Output is correct
10	Correct	654 ms	23788 KB	Output is correct

Subtask #3-2
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	202 ms	23784 KB	Output is correct
2	Correct	878 ms	23808 KB	Output is correct
3	Correct	256 ms	23764 KB	Output is correct
4	Correct	942 ms	23780 KB	Output is correct
5	Correct	978 ms	23780 KB	Output is correct
6	Correct	858 ms	23784 KB	Output is correct
7	Correct	106 ms	23784 KB	Output is correct
8	Correct	125 ms	23784 KB	Output is correct
9	Correct	518 ms	23788 KB	Output is correct
10	Correct	654 ms	23788 KB	Output is correct
11	Incorrect	45 ms	23764 KB	Output isn't correct
12	Halted	0 ms	0 KB	-

Subtask #4-1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	202 ms	23784 KB	Output is correct
2	Correct	878 ms	23808 KB	Output is correct
3	Correct	256 ms	23764 KB	Output is correct
4	Correct	942 ms	23780 KB	Output is correct
5	Correct	978 ms	23780 KB	Output is correct
6	Correct	858 ms	23784 KB	Output is correct
7	Correct	106 ms	23784 KB	Output is correct
8	Correct	125 ms	23784 KB	Output is correct
9	Correct	518 ms	23788 KB	Output is correct
10	Correct	654 ms	23788 KB	Output is correct
11	Correct	200 ms	23784 KB	Output is correct
12	Correct	915 ms	23788 KB	Output is correct
13	Correct	257 ms	23688 KB	Output is correct
14	Correct	914 ms	23784 KB	Output is correct
15	Correct	1082 ms	23784 KB	Output is correct
16	Correct	846 ms	23780 KB	Output is correct
17	Correct	111 ms	23784 KB	Output is correct
18	Correct	196 ms	23784 KB	Output is correct
19	Correct	469 ms	23788 KB	Output is correct
20	Correct	612 ms	23784 KB	Output is correct
21	Correct	107 ms	23780 KB	Output is correct
22	Correct	147 ms	23784 KB	Output is correct
23	Correct	1671 ms	23780 KB	Output is correct
24	Correct	741 ms	23788 KB	Output is correct
25	Correct	1694 ms	23780 KB	Output is correct
26	Correct	1925 ms	23788 KB	Output is correct
27	Correct	1739 ms	23780 KB	Output is correct
28	Correct	1372 ms	23788 KB	Output is correct

Subtask #4-2
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	41 ms	23780 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #5-1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	202 ms	23784 KB	Output is correct
2	Correct	878 ms	23808 KB	Output is correct
3	Correct	256 ms	23764 KB	Output is correct
4	Correct	942 ms	23780 KB	Output is correct
5	Correct	978 ms	23780 KB	Output is correct
6	Correct	858 ms	23784 KB	Output is correct
7	Correct	106 ms	23784 KB	Output is correct
8	Correct	125 ms	23784 KB	Output is correct
9	Correct	518 ms	23788 KB	Output is correct
10	Correct	654 ms	23788 KB	Output is correct
11	Correct	200 ms	23784 KB	Output is correct
12	Correct	915 ms	23788 KB	Output is correct
13	Correct	257 ms	23688 KB	Output is correct
14	Correct	914 ms	23784 KB	Output is correct
15	Correct	1082 ms	23784 KB	Output is correct
16	Correct	846 ms	23780 KB	Output is correct
17	Correct	111 ms	23784 KB	Output is correct
18	Correct	196 ms	23784 KB	Output is correct
19	Correct	469 ms	23788 KB	Output is correct
20	Correct	612 ms	23784 KB	Output is correct
21	Correct	107 ms	23780 KB	Output is correct
22	Correct	147 ms	23784 KB	Output is correct
23	Correct	1671 ms	23780 KB	Output is correct
24	Correct	741 ms	23788 KB	Output is correct
25	Correct	1694 ms	23780 KB	Output is correct
26	Correct	1925 ms	23788 KB	Output is correct
27	Correct	1739 ms	23780 KB	Output is correct
28	Correct	1372 ms	23788 KB	Output is correct
29	Correct	201 ms	23764 KB	Output is correct
30	Correct	868 ms	23784 KB	Output is correct
31	Correct	252 ms	23784 KB	Output is correct
32	Correct	1124 ms	23784 KB	Output is correct
33	Correct	885 ms	23800 KB	Output is correct
34	Correct	823 ms	23784 KB	Output is correct
35	Correct	96 ms	23788 KB	Output is correct
36	Correct	112 ms	23780 KB	Output is correct
37	Correct	425 ms	23780 KB	Output is correct
38	Correct	590 ms	23788 KB	Output is correct
39	Correct	96 ms	23764 KB	Output is correct
40	Correct	132 ms	23764 KB	Output is correct
41	Correct	1549 ms	23784 KB	Output is correct
42	Correct	672 ms	23784 KB	Output is correct
43	Correct	1486 ms	23784 KB	Output is correct
44	Correct	1745 ms	23780 KB	Output is correct
45	Correct	1623 ms	23796 KB	Output is correct
46	Correct	1175 ms	23788 KB	Output is correct
47	Correct	106 ms	23788 KB	Output is correct
48	Correct	146 ms	23784 KB	Output is correct
49	Correct	3447 ms	23792 KB	Output is correct
50	Correct	1490 ms	23788 KB	Output is correct
51	Correct	3627 ms	23788 KB	Output is correct
52	Correct	4050 ms	23808 KB	Output is correct
53	Correct	3534 ms	23788 KB	Output is correct
54	Correct	2929 ms	23784 KB	Output is correct

Subtask #5-2
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	41 ms	23780 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #6-1
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	202 ms	23784 KB	Output is correct
2	Correct	878 ms	23808 KB	Output is correct
3	Correct	256 ms	23764 KB	Output is correct
4	Correct	942 ms	23780 KB	Output is correct
5	Correct	978 ms	23780 KB	Output is correct
6	Correct	858 ms	23784 KB	Output is correct
7	Correct	106 ms	23784 KB	Output is correct
8	Correct	125 ms	23784 KB	Output is correct
9	Correct	518 ms	23788 KB	Output is correct
10	Correct	654 ms	23788 KB	Output is correct
11	Correct	200 ms	23784 KB	Output is correct
12	Correct	915 ms	23788 KB	Output is correct
13	Correct	257 ms	23688 KB	Output is correct
14	Correct	914 ms	23784 KB	Output is correct
15	Correct	1082 ms	23784 KB	Output is correct
16	Correct	846 ms	23780 KB	Output is correct
17	Correct	111 ms	23784 KB	Output is correct
18	Correct	196 ms	23784 KB	Output is correct
19	Correct	469 ms	23788 KB	Output is correct
20	Correct	612 ms	23784 KB	Output is correct
21	Correct	107 ms	23780 KB	Output is correct
22	Correct	147 ms	23784 KB	Output is correct
23	Correct	1671 ms	23780 KB	Output is correct
24	Correct	741 ms	23788 KB	Output is correct
25	Correct	1694 ms	23780 KB	Output is correct
26	Correct	1925 ms	23788 KB	Output is correct
27	Correct	1739 ms	23780 KB	Output is correct
28	Correct	1372 ms	23788 KB	Output is correct
29	Correct	201 ms	23764 KB	Output is correct
30	Correct	868 ms	23784 KB	Output is correct
31	Correct	252 ms	23784 KB	Output is correct
32	Correct	1124 ms	23784 KB	Output is correct
33	Correct	885 ms	23800 KB	Output is correct
34	Correct	823 ms	23784 KB	Output is correct
35	Correct	96 ms	23788 KB	Output is correct
36	Correct	112 ms	23780 KB	Output is correct
37	Correct	425 ms	23780 KB	Output is correct
38	Correct	590 ms	23788 KB	Output is correct
39	Correct	96 ms	23764 KB	Output is correct
40	Correct	132 ms	23764 KB	Output is correct
41	Correct	1549 ms	23784 KB	Output is correct
42	Correct	672 ms	23784 KB	Output is correct
43	Correct	1486 ms	23784 KB	Output is correct
44	Correct	1745 ms	23780 KB	Output is correct
45	Correct	1623 ms	23796 KB	Output is correct
46	Correct	1175 ms	23788 KB	Output is correct
47	Correct	106 ms	23788 KB	Output is correct
48	Correct	146 ms	23784 KB	Output is correct
49	Correct	3447 ms	23792 KB	Output is correct
50	Correct	1490 ms	23788 KB	Output is correct
51	Correct	3627 ms	23788 KB	Output is correct
52	Correct	4050 ms	23808 KB	Output is correct
53	Correct	3534 ms	23788 KB	Output is correct
54	Correct	2929 ms	23784 KB	Output is correct
55	Correct	173 ms	23784 KB	Output is correct
56	Correct	801 ms	23784 KB	Output is correct
57	Correct	233 ms	23784 KB	Output is correct
58	Correct	854 ms	23784 KB	Output is correct
59	Correct	901 ms	23784 KB	Output is correct
60	Correct	780 ms	23764 KB	Output is correct
61	Correct	95 ms	23788 KB	Output is correct
62	Correct	119 ms	23780 KB	Output is correct
63	Correct	428 ms	23784 KB	Output is correct
64	Correct	613 ms	23784 KB	Output is correct
65	Correct	95 ms	23764 KB	Output is correct
66	Correct	130 ms	23780 KB	Output is correct
67	Correct	1537 ms	23788 KB	Output is correct
68	Correct	692 ms	23784 KB	Output is correct
69	Correct	1498 ms	23784 KB	Output is correct
70	Correct	1778 ms	23784 KB	Output is correct
71	Correct	1602 ms	23784 KB	Output is correct
72	Correct	1204 ms	23784 KB	Output is correct
73	Correct	102 ms	23788 KB	Output is correct
74	Correct	145 ms	23788 KB	Output is correct
75	Correct	3440 ms	23784 KB	Output is correct
76	Correct	1499 ms	23788 KB	Output is correct
77	Correct	3659 ms	23784 KB	Output is correct
78	Correct	4073 ms	23784 KB	Output is correct
79	Correct	3485 ms	23808 KB	Output is correct
80	Correct	2941 ms	23788 KB	Output is correct
81	Runtime error	29 ms	48008 KB	Execution killed with signal 11
82	Halted	0 ms	0 KB	-

Subtask #6-2
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	41 ms	23780 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

답안 #574296

Compilation message