Submission #574291

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
574291	2022-06-08T09:44:17 Z	8e7	Uplifting Excursion (BOI22_vault)	C++17	30 / 100	3523 ms	48048 KB

vault

//Challenge: Accepted
#include <bits/stdc++.h>
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 3000005
#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[2][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)2*m);
		ex[2 * m - i] = min(p,(ll)2 * 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[0][i] = dp[1][i] = -inf;	

	dp[0][-mins] = 0;
	dp[1][-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) {
			for (int j = 0;j < maxn;j++) {
				int val = j + p * (i-m);
				int del = i < m ? -p : p;
				if (val >= 0 && val < maxn) dp[1][val] = max(dp[1][val], dp[0][j] + del);
			}
			for (int j = 0;j < maxn;j++) dp[0][j] = dp[1][j];
		}
	}
	if (L - mins >= maxn || L - mins < 0 || dp[0][L - mins] < -maxn) cout << "impossible\n";
	else cout << dp[0][L - mins]+ans << "\n";
}

Subtask #1
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	38 ms	23712 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #2
0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	38 ms	23712 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #3-1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	168 ms	23784 KB	Output is correct
2	Correct	785 ms	23784 KB	Output is correct
3	Correct	243 ms	23788 KB	Output is correct
4	Correct	805 ms	23780 KB	Output is correct
5	Correct	801 ms	23892 KB	Output is correct
6	Correct	674 ms	23780 KB	Output is correct
7	Correct	89 ms	23764 KB	Output is correct
8	Correct	102 ms	23764 KB	Output is correct
9	Correct	359 ms	23744 KB	Output is correct
10	Correct	511 ms	23788 KB	Output is correct

Subtask #3-2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	168 ms	23784 KB	Output is correct
2	Correct	785 ms	23784 KB	Output is correct
3	Correct	243 ms	23788 KB	Output is correct
4	Correct	805 ms	23780 KB	Output is correct
5	Correct	801 ms	23892 KB	Output is correct
6	Correct	674 ms	23780 KB	Output is correct
7	Correct	89 ms	23764 KB	Output is correct
8	Correct	102 ms	23764 KB	Output is correct
9	Correct	359 ms	23744 KB	Output is correct
10	Correct	511 ms	23788 KB	Output is correct
11	Incorrect	36 ms	23764 KB	Output isn't correct
12	Halted	0 ms	0 KB	-

Subtask #4-1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	168 ms	23784 KB	Output is correct
2	Correct	785 ms	23784 KB	Output is correct
3	Correct	243 ms	23788 KB	Output is correct
4	Correct	805 ms	23780 KB	Output is correct
5	Correct	801 ms	23892 KB	Output is correct
6	Correct	674 ms	23780 KB	Output is correct
7	Correct	89 ms	23764 KB	Output is correct
8	Correct	102 ms	23764 KB	Output is correct
9	Correct	359 ms	23744 KB	Output is correct
10	Correct	511 ms	23788 KB	Output is correct
11	Correct	145 ms	23784 KB	Output is correct
12	Correct	707 ms	23784 KB	Output is correct
13	Correct	213 ms	23788 KB	Output is correct
14	Correct	757 ms	23784 KB	Output is correct
15	Correct	784 ms	23784 KB	Output is correct
16	Correct	688 ms	23780 KB	Output is correct
17	Correct	93 ms	23780 KB	Output is correct
18	Correct	101 ms	23784 KB	Output is correct
19	Correct	357 ms	23780 KB	Output is correct
20	Correct	502 ms	23784 KB	Output is correct
21	Correct	82 ms	23784 KB	Output is correct
22	Correct	114 ms	23780 KB	Output is correct
23	Correct	1303 ms	23788 KB	Output is correct
24	Correct	598 ms	23884 KB	Output is correct
25	Correct	1282 ms	23780 KB	Output is correct
26	Correct	1527 ms	23780 KB	Output is correct
27	Correct	1371 ms	23784 KB	Output is correct
28	Correct	1068 ms	23780 KB	Output is correct

Subtask #4-2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	38 ms	23712 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #5-1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	168 ms	23784 KB	Output is correct
2	Correct	785 ms	23784 KB	Output is correct
3	Correct	243 ms	23788 KB	Output is correct
4	Correct	805 ms	23780 KB	Output is correct
5	Correct	801 ms	23892 KB	Output is correct
6	Correct	674 ms	23780 KB	Output is correct
7	Correct	89 ms	23764 KB	Output is correct
8	Correct	102 ms	23764 KB	Output is correct
9	Correct	359 ms	23744 KB	Output is correct
10	Correct	511 ms	23788 KB	Output is correct
11	Correct	145 ms	23784 KB	Output is correct
12	Correct	707 ms	23784 KB	Output is correct
13	Correct	213 ms	23788 KB	Output is correct
14	Correct	757 ms	23784 KB	Output is correct
15	Correct	784 ms	23784 KB	Output is correct
16	Correct	688 ms	23780 KB	Output is correct
17	Correct	93 ms	23780 KB	Output is correct
18	Correct	101 ms	23784 KB	Output is correct
19	Correct	357 ms	23780 KB	Output is correct
20	Correct	502 ms	23784 KB	Output is correct
21	Correct	82 ms	23784 KB	Output is correct
22	Correct	114 ms	23780 KB	Output is correct
23	Correct	1303 ms	23788 KB	Output is correct
24	Correct	598 ms	23884 KB	Output is correct
25	Correct	1282 ms	23780 KB	Output is correct
26	Correct	1527 ms	23780 KB	Output is correct
27	Correct	1371 ms	23784 KB	Output is correct
28	Correct	1068 ms	23780 KB	Output is correct
29	Correct	145 ms	23784 KB	Output is correct
30	Correct	708 ms	23884 KB	Output is correct
31	Correct	214 ms	23796 KB	Output is correct
32	Correct	762 ms	23784 KB	Output is correct
33	Correct	784 ms	23784 KB	Output is correct
34	Correct	659 ms	23784 KB	Output is correct
35	Correct	90 ms	23764 KB	Output is correct
36	Correct	102 ms	23788 KB	Output is correct
37	Correct	366 ms	23780 KB	Output is correct
38	Correct	509 ms	23884 KB	Output is correct
39	Correct	80 ms	23764 KB	Output is correct
40	Correct	111 ms	23708 KB	Output is correct
41	Correct	1309 ms	23784 KB	Output is correct
42	Correct	596 ms	23784 KB	Output is correct
43	Correct	1311 ms	23784 KB	Output is correct
44	Correct	1539 ms	23788 KB	Output is correct
45	Correct	1374 ms	23780 KB	Output is correct
46	Correct	1051 ms	23784 KB	Output is correct
47	Correct	93 ms	23892 KB	Output is correct
48	Correct	131 ms	23800 KB	Output is correct
49	Correct	2922 ms	23788 KB	Output is correct
50	Correct	1264 ms	23784 KB	Output is correct
51	Correct	3125 ms	23788 KB	Output is correct
52	Correct	3523 ms	23788 KB	Output is correct
53	Correct	2974 ms	23784 KB	Output is correct
54	Correct	2502 ms	23800 KB	Output is correct

Subtask #5-2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	38 ms	23712 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #6-1
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	168 ms	23784 KB	Output is correct
2	Correct	785 ms	23784 KB	Output is correct
3	Correct	243 ms	23788 KB	Output is correct
4	Correct	805 ms	23780 KB	Output is correct
5	Correct	801 ms	23892 KB	Output is correct
6	Correct	674 ms	23780 KB	Output is correct
7	Correct	89 ms	23764 KB	Output is correct
8	Correct	102 ms	23764 KB	Output is correct
9	Correct	359 ms	23744 KB	Output is correct
10	Correct	511 ms	23788 KB	Output is correct
11	Correct	145 ms	23784 KB	Output is correct
12	Correct	707 ms	23784 KB	Output is correct
13	Correct	213 ms	23788 KB	Output is correct
14	Correct	757 ms	23784 KB	Output is correct
15	Correct	784 ms	23784 KB	Output is correct
16	Correct	688 ms	23780 KB	Output is correct
17	Correct	93 ms	23780 KB	Output is correct
18	Correct	101 ms	23784 KB	Output is correct
19	Correct	357 ms	23780 KB	Output is correct
20	Correct	502 ms	23784 KB	Output is correct
21	Correct	82 ms	23784 KB	Output is correct
22	Correct	114 ms	23780 KB	Output is correct
23	Correct	1303 ms	23788 KB	Output is correct
24	Correct	598 ms	23884 KB	Output is correct
25	Correct	1282 ms	23780 KB	Output is correct
26	Correct	1527 ms	23780 KB	Output is correct
27	Correct	1371 ms	23784 KB	Output is correct
28	Correct	1068 ms	23780 KB	Output is correct
29	Correct	145 ms	23784 KB	Output is correct
30	Correct	708 ms	23884 KB	Output is correct
31	Correct	214 ms	23796 KB	Output is correct
32	Correct	762 ms	23784 KB	Output is correct
33	Correct	784 ms	23784 KB	Output is correct
34	Correct	659 ms	23784 KB	Output is correct
35	Correct	90 ms	23764 KB	Output is correct
36	Correct	102 ms	23788 KB	Output is correct
37	Correct	366 ms	23780 KB	Output is correct
38	Correct	509 ms	23884 KB	Output is correct
39	Correct	80 ms	23764 KB	Output is correct
40	Correct	111 ms	23708 KB	Output is correct
41	Correct	1309 ms	23784 KB	Output is correct
42	Correct	596 ms	23784 KB	Output is correct
43	Correct	1311 ms	23784 KB	Output is correct
44	Correct	1539 ms	23788 KB	Output is correct
45	Correct	1374 ms	23780 KB	Output is correct
46	Correct	1051 ms	23784 KB	Output is correct
47	Correct	93 ms	23892 KB	Output is correct
48	Correct	131 ms	23800 KB	Output is correct
49	Correct	2922 ms	23788 KB	Output is correct
50	Correct	1264 ms	23784 KB	Output is correct
51	Correct	3125 ms	23788 KB	Output is correct
52	Correct	3523 ms	23788 KB	Output is correct
53	Correct	2974 ms	23784 KB	Output is correct
54	Correct	2502 ms	23800 KB	Output is correct
55	Correct	145 ms	23780 KB	Output is correct
56	Correct	731 ms	23780 KB	Output is correct
57	Correct	224 ms	23788 KB	Output is correct
58	Correct	767 ms	23788 KB	Output is correct
59	Correct	793 ms	23804 KB	Output is correct
60	Correct	691 ms	23780 KB	Output is correct
61	Correct	90 ms	23712 KB	Output is correct
62	Correct	104 ms	23784 KB	Output is correct
63	Correct	365 ms	23780 KB	Output is correct
64	Correct	531 ms	23884 KB	Output is correct
65	Correct	79 ms	23764 KB	Output is correct
66	Correct	110 ms	23784 KB	Output is correct
67	Correct	1345 ms	23784 KB	Output is correct
68	Correct	601 ms	23788 KB	Output is correct
69	Correct	1299 ms	23788 KB	Output is correct
70	Correct	1588 ms	23784 KB	Output is correct
71	Correct	1471 ms	23792 KB	Output is correct
72	Correct	1126 ms	23780 KB	Output is correct
73	Correct	96 ms	23788 KB	Output is correct
74	Correct	147 ms	23708 KB	Output is correct
75	Correct	3124 ms	23784 KB	Output is correct
76	Correct	1320 ms	23784 KB	Output is correct
77	Correct	3144 ms	23788 KB	Output is correct
78	Correct	3442 ms	23788 KB	Output is correct
79	Correct	2985 ms	23784 KB	Output is correct
80	Correct	2473 ms	23796 KB	Output is correct
81	Runtime error	40 ms	48048 KB	Execution killed with signal 11
82	Halted	0 ms	0 KB	-

Subtask #6-2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	38 ms	23712 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Submission #574291

Compilation message