Submission #574290

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
574290	2022-06-08T09:42:58 Z	8e7	Uplifting Excursion (BOI22_vault)	C++17	30 / 100	1107 ms	17876 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 1100005
#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	12 ms	8916 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #2
0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	12 ms	8916 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	48 ms	8916 KB	Output is correct
2	Correct	237 ms	8916 KB	Output is correct
3	Correct	73 ms	9036 KB	Output is correct
4	Correct	240 ms	8916 KB	Output is correct
5	Correct	264 ms	8912 KB	Output is correct
6	Correct	209 ms	8920 KB	Output is correct
7	Correct	33 ms	8916 KB	Output is correct
8	Correct	34 ms	8924 KB	Output is correct
9	Correct	122 ms	8924 KB	Output is correct
10	Correct	156 ms	8912 KB	Output is correct

Subtask #3-2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	48 ms	8916 KB	Output is correct
2	Correct	237 ms	8916 KB	Output is correct
3	Correct	73 ms	9036 KB	Output is correct
4	Correct	240 ms	8916 KB	Output is correct
5	Correct	264 ms	8912 KB	Output is correct
6	Correct	209 ms	8920 KB	Output is correct
7	Correct	33 ms	8916 KB	Output is correct
8	Correct	34 ms	8924 KB	Output is correct
9	Correct	122 ms	8924 KB	Output is correct
10	Correct	156 ms	8912 KB	Output is correct
11	Incorrect	11 ms	8916 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	48 ms	8916 KB	Output is correct
2	Correct	237 ms	8916 KB	Output is correct
3	Correct	73 ms	9036 KB	Output is correct
4	Correct	240 ms	8916 KB	Output is correct
5	Correct	264 ms	8912 KB	Output is correct
6	Correct	209 ms	8920 KB	Output is correct
7	Correct	33 ms	8916 KB	Output is correct
8	Correct	34 ms	8924 KB	Output is correct
9	Correct	122 ms	8924 KB	Output is correct
10	Correct	156 ms	8912 KB	Output is correct
11	Correct	45 ms	8916 KB	Output is correct
12	Correct	230 ms	8916 KB	Output is correct
13	Correct	68 ms	8916 KB	Output is correct
14	Correct	252 ms	8916 KB	Output is correct
15	Correct	248 ms	8916 KB	Output is correct
16	Correct	208 ms	8916 KB	Output is correct
17	Correct	32 ms	8916 KB	Output is correct
18	Correct	34 ms	8916 KB	Output is correct
19	Correct	116 ms	8920 KB	Output is correct
20	Correct	158 ms	8916 KB	Output is correct
21	Correct	25 ms	8916 KB	Output is correct
22	Correct	36 ms	8916 KB	Output is correct
23	Correct	420 ms	8916 KB	Output is correct
24	Correct	188 ms	8916 KB	Output is correct
25	Correct	402 ms	8916 KB	Output is correct
26	Correct	476 ms	8916 KB	Output is correct
27	Correct	463 ms	8912 KB	Output is correct
28	Correct	328 ms	8916 KB	Output is correct

Subtask #4-2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	12 ms	8916 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	48 ms	8916 KB	Output is correct
2	Correct	237 ms	8916 KB	Output is correct
3	Correct	73 ms	9036 KB	Output is correct
4	Correct	240 ms	8916 KB	Output is correct
5	Correct	264 ms	8912 KB	Output is correct
6	Correct	209 ms	8920 KB	Output is correct
7	Correct	33 ms	8916 KB	Output is correct
8	Correct	34 ms	8924 KB	Output is correct
9	Correct	122 ms	8924 KB	Output is correct
10	Correct	156 ms	8912 KB	Output is correct
11	Correct	45 ms	8916 KB	Output is correct
12	Correct	230 ms	8916 KB	Output is correct
13	Correct	68 ms	8916 KB	Output is correct
14	Correct	252 ms	8916 KB	Output is correct
15	Correct	248 ms	8916 KB	Output is correct
16	Correct	208 ms	8916 KB	Output is correct
17	Correct	32 ms	8916 KB	Output is correct
18	Correct	34 ms	8916 KB	Output is correct
19	Correct	116 ms	8920 KB	Output is correct
20	Correct	158 ms	8916 KB	Output is correct
21	Correct	25 ms	8916 KB	Output is correct
22	Correct	36 ms	8916 KB	Output is correct
23	Correct	420 ms	8916 KB	Output is correct
24	Correct	188 ms	8916 KB	Output is correct
25	Correct	402 ms	8916 KB	Output is correct
26	Correct	476 ms	8916 KB	Output is correct
27	Correct	463 ms	8912 KB	Output is correct
28	Correct	328 ms	8916 KB	Output is correct
29	Correct	46 ms	8916 KB	Output is correct
30	Correct	237 ms	8916 KB	Output is correct
31	Correct	69 ms	8916 KB	Output is correct
32	Correct	247 ms	8916 KB	Output is correct
33	Correct	244 ms	8940 KB	Output is correct
34	Correct	208 ms	8916 KB	Output is correct
35	Correct	30 ms	8916 KB	Output is correct
36	Correct	33 ms	8916 KB	Output is correct
37	Correct	120 ms	8916 KB	Output is correct
38	Correct	166 ms	8916 KB	Output is correct
39	Correct	24 ms	8936 KB	Output is correct
40	Correct	35 ms	8916 KB	Output is correct
41	Correct	424 ms	8916 KB	Output is correct
42	Correct	198 ms	8916 KB	Output is correct
43	Correct	411 ms	8916 KB	Output is correct
44	Correct	481 ms	8928 KB	Output is correct
45	Correct	446 ms	9036 KB	Output is correct
46	Correct	331 ms	8916 KB	Output is correct
47	Correct	30 ms	8916 KB	Output is correct
48	Correct	40 ms	8916 KB	Output is correct
49	Correct	928 ms	8916 KB	Output is correct
50	Correct	425 ms	8916 KB	Output is correct
51	Correct	985 ms	9040 KB	Output is correct
52	Correct	1107 ms	8916 KB	Output is correct
53	Correct	972 ms	8924 KB	Output is correct
54	Correct	804 ms	8916 KB	Output is correct

Subtask #5-2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	12 ms	8916 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	48 ms	8916 KB	Output is correct
2	Correct	237 ms	8916 KB	Output is correct
3	Correct	73 ms	9036 KB	Output is correct
4	Correct	240 ms	8916 KB	Output is correct
5	Correct	264 ms	8912 KB	Output is correct
6	Correct	209 ms	8920 KB	Output is correct
7	Correct	33 ms	8916 KB	Output is correct
8	Correct	34 ms	8924 KB	Output is correct
9	Correct	122 ms	8924 KB	Output is correct
10	Correct	156 ms	8912 KB	Output is correct
11	Correct	45 ms	8916 KB	Output is correct
12	Correct	230 ms	8916 KB	Output is correct
13	Correct	68 ms	8916 KB	Output is correct
14	Correct	252 ms	8916 KB	Output is correct
15	Correct	248 ms	8916 KB	Output is correct
16	Correct	208 ms	8916 KB	Output is correct
17	Correct	32 ms	8916 KB	Output is correct
18	Correct	34 ms	8916 KB	Output is correct
19	Correct	116 ms	8920 KB	Output is correct
20	Correct	158 ms	8916 KB	Output is correct
21	Correct	25 ms	8916 KB	Output is correct
22	Correct	36 ms	8916 KB	Output is correct
23	Correct	420 ms	8916 KB	Output is correct
24	Correct	188 ms	8916 KB	Output is correct
25	Correct	402 ms	8916 KB	Output is correct
26	Correct	476 ms	8916 KB	Output is correct
27	Correct	463 ms	8912 KB	Output is correct
28	Correct	328 ms	8916 KB	Output is correct
29	Correct	46 ms	8916 KB	Output is correct
30	Correct	237 ms	8916 KB	Output is correct
31	Correct	69 ms	8916 KB	Output is correct
32	Correct	247 ms	8916 KB	Output is correct
33	Correct	244 ms	8940 KB	Output is correct
34	Correct	208 ms	8916 KB	Output is correct
35	Correct	30 ms	8916 KB	Output is correct
36	Correct	33 ms	8916 KB	Output is correct
37	Correct	120 ms	8916 KB	Output is correct
38	Correct	166 ms	8916 KB	Output is correct
39	Correct	24 ms	8936 KB	Output is correct
40	Correct	35 ms	8916 KB	Output is correct
41	Correct	424 ms	8916 KB	Output is correct
42	Correct	198 ms	8916 KB	Output is correct
43	Correct	411 ms	8916 KB	Output is correct
44	Correct	481 ms	8928 KB	Output is correct
45	Correct	446 ms	9036 KB	Output is correct
46	Correct	331 ms	8916 KB	Output is correct
47	Correct	30 ms	8916 KB	Output is correct
48	Correct	40 ms	8916 KB	Output is correct
49	Correct	928 ms	8916 KB	Output is correct
50	Correct	425 ms	8916 KB	Output is correct
51	Correct	985 ms	9040 KB	Output is correct
52	Correct	1107 ms	8916 KB	Output is correct
53	Correct	972 ms	8924 KB	Output is correct
54	Correct	804 ms	8916 KB	Output is correct
55	Correct	49 ms	8908 KB	Output is correct
56	Correct	250 ms	8916 KB	Output is correct
57	Correct	68 ms	8916 KB	Output is correct
58	Correct	252 ms	8916 KB	Output is correct
59	Correct	275 ms	8916 KB	Output is correct
60	Correct	212 ms	8916 KB	Output is correct
61	Correct	31 ms	8932 KB	Output is correct
62	Correct	34 ms	8916 KB	Output is correct
63	Correct	116 ms	8916 KB	Output is correct
64	Correct	169 ms	9036 KB	Output is correct
65	Correct	25 ms	8916 KB	Output is correct
66	Correct	37 ms	8916 KB	Output is correct
67	Correct	406 ms	8916 KB	Output is correct
68	Correct	191 ms	8916 KB	Output is correct
69	Correct	400 ms	8916 KB	Output is correct
70	Correct	501 ms	8916 KB	Output is correct
71	Correct	440 ms	8916 KB	Output is correct
72	Correct	341 ms	8912 KB	Output is correct
73	Correct	29 ms	8916 KB	Output is correct
74	Correct	41 ms	8916 KB	Output is correct
75	Correct	907 ms	8916 KB	Output is correct
76	Correct	416 ms	8916 KB	Output is correct
77	Correct	992 ms	8916 KB	Output is correct
78	Correct	1096 ms	8920 KB	Output is correct
79	Correct	934 ms	8916 KB	Output is correct
80	Correct	798 ms	8916 KB	Output is correct
81	Runtime error	12 ms	17876 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	12 ms	8916 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Submission #574290

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