Submission #575212

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
575212	2022-06-10T02:08:10 Z	8e7	Uplifting Excursion (BOI22_vault)	C++17	40 / 100	2422 ms	4300 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 1000005
#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), lim(m+1);	
	ll mins = -maxn / 2, ans = 0;
	for (int i = 0;i < 2*m+1;i++) {
		cin >> a[i];
		if (i == m) ans += a[i], a[i] = 0;
		if (i < m) {
			lim[m - i] = a[i];
			a[2*m - i] += a[i];
			L += a[i] * (m - i);
			a[i] = 0;
		}
	}
	for (int i = m+1;i < 2*m+1;i++) {
		ll p = min(a[i], L / (i-m));
		ans += abs(p - lim[i-m]);
		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 < 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

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	5 ms	4180 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #2
0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	5 ms	4180 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	27 ms	4232 KB	Output is correct
2	Correct	127 ms	4208 KB	Output is correct
3	Correct	38 ms	4180 KB	Output is correct
4	Correct	140 ms	4208 KB	Output is correct
5	Correct	146 ms	4208 KB	Output is correct
6	Correct	127 ms	4208 KB	Output is correct
7	Correct	15 ms	4180 KB	Output is correct
8	Correct	18 ms	4228 KB	Output is correct
9	Correct	118 ms	4180 KB	Output is correct
10	Correct	95 ms	4180 KB	Output is correct

Subtask #3-2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	27 ms	4232 KB	Output is correct
2	Correct	127 ms	4208 KB	Output is correct
3	Correct	38 ms	4180 KB	Output is correct
4	Correct	140 ms	4208 KB	Output is correct
5	Correct	146 ms	4208 KB	Output is correct
6	Correct	127 ms	4208 KB	Output is correct
7	Correct	15 ms	4180 KB	Output is correct
8	Correct	18 ms	4228 KB	Output is correct
9	Correct	118 ms	4180 KB	Output is correct
10	Correct	95 ms	4180 KB	Output is correct
11	Incorrect	5 ms	4180 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	27 ms	4232 KB	Output is correct
2	Correct	127 ms	4208 KB	Output is correct
3	Correct	38 ms	4180 KB	Output is correct
4	Correct	140 ms	4208 KB	Output is correct
5	Correct	146 ms	4208 KB	Output is correct
6	Correct	127 ms	4208 KB	Output is correct
7	Correct	15 ms	4180 KB	Output is correct
8	Correct	18 ms	4228 KB	Output is correct
9	Correct	118 ms	4180 KB	Output is correct
10	Correct	95 ms	4180 KB	Output is correct
11	Correct	28 ms	4180 KB	Output is correct
12	Correct	131 ms	4180 KB	Output is correct
13	Correct	40 ms	4180 KB	Output is correct
14	Correct	138 ms	4208 KB	Output is correct
15	Correct	140 ms	4212 KB	Output is correct
16	Correct	126 ms	4212 KB	Output is correct
17	Correct	16 ms	4180 KB	Output is correct
18	Correct	19 ms	4228 KB	Output is correct
19	Correct	68 ms	4180 KB	Output is correct
20	Correct	98 ms	4212 KB	Output is correct
21	Correct	14 ms	4180 KB	Output is correct
22	Correct	21 ms	4240 KB	Output is correct
23	Correct	246 ms	4228 KB	Output is correct
24	Correct	118 ms	4180 KB	Output is correct
25	Correct	238 ms	4300 KB	Output is correct
26	Correct	282 ms	4212 KB	Output is correct
27	Correct	248 ms	4216 KB	Output is correct
28	Correct	211 ms	4216 KB	Output is correct

Subtask #4-2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	5 ms	4180 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	27 ms	4232 KB	Output is correct
2	Correct	127 ms	4208 KB	Output is correct
3	Correct	38 ms	4180 KB	Output is correct
4	Correct	140 ms	4208 KB	Output is correct
5	Correct	146 ms	4208 KB	Output is correct
6	Correct	127 ms	4208 KB	Output is correct
7	Correct	15 ms	4180 KB	Output is correct
8	Correct	18 ms	4228 KB	Output is correct
9	Correct	118 ms	4180 KB	Output is correct
10	Correct	95 ms	4180 KB	Output is correct
11	Correct	28 ms	4180 KB	Output is correct
12	Correct	131 ms	4180 KB	Output is correct
13	Correct	40 ms	4180 KB	Output is correct
14	Correct	138 ms	4208 KB	Output is correct
15	Correct	140 ms	4212 KB	Output is correct
16	Correct	126 ms	4212 KB	Output is correct
17	Correct	16 ms	4180 KB	Output is correct
18	Correct	19 ms	4228 KB	Output is correct
19	Correct	68 ms	4180 KB	Output is correct
20	Correct	98 ms	4212 KB	Output is correct
21	Correct	14 ms	4180 KB	Output is correct
22	Correct	21 ms	4240 KB	Output is correct
23	Correct	246 ms	4228 KB	Output is correct
24	Correct	118 ms	4180 KB	Output is correct
25	Correct	238 ms	4300 KB	Output is correct
26	Correct	282 ms	4212 KB	Output is correct
27	Correct	248 ms	4216 KB	Output is correct
28	Correct	211 ms	4216 KB	Output is correct
29	Correct	29 ms	4228 KB	Output is correct
30	Correct	125 ms	4180 KB	Output is correct
31	Correct	38 ms	4212 KB	Output is correct
32	Correct	136 ms	4212 KB	Output is correct
33	Correct	141 ms	4300 KB	Output is correct
34	Correct	130 ms	4180 KB	Output is correct
35	Correct	18 ms	4236 KB	Output is correct
36	Correct	19 ms	4232 KB	Output is correct
37	Correct	67 ms	4180 KB	Output is correct
38	Correct	92 ms	4212 KB	Output is correct
39	Correct	14 ms	4240 KB	Output is correct
40	Correct	24 ms	4300 KB	Output is correct
41	Correct	237 ms	4216 KB	Output is correct
42	Correct	126 ms	4216 KB	Output is correct
43	Correct	230 ms	4216 KB	Output is correct
44	Correct	280 ms	4224 KB	Output is correct
45	Correct	251 ms	4212 KB	Output is correct
46	Correct	183 ms	4216 KB	Output is correct
47	Correct	17 ms	4180 KB	Output is correct
48	Correct	25 ms	4180 KB	Output is correct
49	Correct	552 ms	4180 KB	Output is correct
50	Correct	242 ms	4180 KB	Output is correct
51	Correct	576 ms	4212 KB	Output is correct
52	Correct	656 ms	4216 KB	Output is correct
53	Correct	556 ms	4216 KB	Output is correct
54	Correct	469 ms	4232 KB	Output is correct

Subtask #5-2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	5 ms	4180 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #6-1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	27 ms	4232 KB	Output is correct
2	Correct	127 ms	4208 KB	Output is correct
3	Correct	38 ms	4180 KB	Output is correct
4	Correct	140 ms	4208 KB	Output is correct
5	Correct	146 ms	4208 KB	Output is correct
6	Correct	127 ms	4208 KB	Output is correct
7	Correct	15 ms	4180 KB	Output is correct
8	Correct	18 ms	4228 KB	Output is correct
9	Correct	118 ms	4180 KB	Output is correct
10	Correct	95 ms	4180 KB	Output is correct
11	Correct	28 ms	4180 KB	Output is correct
12	Correct	131 ms	4180 KB	Output is correct
13	Correct	40 ms	4180 KB	Output is correct
14	Correct	138 ms	4208 KB	Output is correct
15	Correct	140 ms	4212 KB	Output is correct
16	Correct	126 ms	4212 KB	Output is correct
17	Correct	16 ms	4180 KB	Output is correct
18	Correct	19 ms	4228 KB	Output is correct
19	Correct	68 ms	4180 KB	Output is correct
20	Correct	98 ms	4212 KB	Output is correct
21	Correct	14 ms	4180 KB	Output is correct
22	Correct	21 ms	4240 KB	Output is correct
23	Correct	246 ms	4228 KB	Output is correct
24	Correct	118 ms	4180 KB	Output is correct
25	Correct	238 ms	4300 KB	Output is correct
26	Correct	282 ms	4212 KB	Output is correct
27	Correct	248 ms	4216 KB	Output is correct
28	Correct	211 ms	4216 KB	Output is correct
29	Correct	29 ms	4228 KB	Output is correct
30	Correct	125 ms	4180 KB	Output is correct
31	Correct	38 ms	4212 KB	Output is correct
32	Correct	136 ms	4212 KB	Output is correct
33	Correct	141 ms	4300 KB	Output is correct
34	Correct	130 ms	4180 KB	Output is correct
35	Correct	18 ms	4236 KB	Output is correct
36	Correct	19 ms	4232 KB	Output is correct
37	Correct	67 ms	4180 KB	Output is correct
38	Correct	92 ms	4212 KB	Output is correct
39	Correct	14 ms	4240 KB	Output is correct
40	Correct	24 ms	4300 KB	Output is correct
41	Correct	237 ms	4216 KB	Output is correct
42	Correct	126 ms	4216 KB	Output is correct
43	Correct	230 ms	4216 KB	Output is correct
44	Correct	280 ms	4224 KB	Output is correct
45	Correct	251 ms	4212 KB	Output is correct
46	Correct	183 ms	4216 KB	Output is correct
47	Correct	17 ms	4180 KB	Output is correct
48	Correct	25 ms	4180 KB	Output is correct
49	Correct	552 ms	4180 KB	Output is correct
50	Correct	242 ms	4180 KB	Output is correct
51	Correct	576 ms	4212 KB	Output is correct
52	Correct	656 ms	4216 KB	Output is correct
53	Correct	556 ms	4216 KB	Output is correct
54	Correct	469 ms	4232 KB	Output is correct
55	Correct	29 ms	4228 KB	Output is correct
56	Correct	126 ms	4180 KB	Output is correct
57	Correct	41 ms	4180 KB	Output is correct
58	Correct	132 ms	4208 KB	Output is correct
59	Correct	146 ms	4180 KB	Output is correct
60	Correct	125 ms	4208 KB	Output is correct
61	Correct	17 ms	4232 KB	Output is correct
62	Correct	17 ms	4180 KB	Output is correct
63	Correct	74 ms	4208 KB	Output is correct
64	Correct	89 ms	4180 KB	Output is correct
65	Correct	14 ms	4180 KB	Output is correct
66	Correct	21 ms	4232 KB	Output is correct
67	Correct	243 ms	4180 KB	Output is correct
68	Correct	111 ms	4216 KB	Output is correct
69	Correct	238 ms	4212 KB	Output is correct
70	Correct	286 ms	4212 KB	Output is correct
71	Correct	251 ms	4212 KB	Output is correct
72	Correct	183 ms	4216 KB	Output is correct
73	Correct	21 ms	4180 KB	Output is correct
74	Correct	24 ms	4180 KB	Output is correct
75	Correct	550 ms	4216 KB	Output is correct
76	Correct	244 ms	4220 KB	Output is correct
77	Correct	576 ms	4300 KB	Output is correct
78	Correct	655 ms	4212 KB	Output is correct
79	Correct	545 ms	4212 KB	Output is correct
80	Correct	469 ms	4180 KB	Output is correct
81	Correct	2169 ms	4228 KB	Output is correct
82	Correct	954 ms	4224 KB	Output is correct
83	Correct	2117 ms	4228 KB	Output is correct
84	Correct	2422 ms	4224 KB	Output is correct
85	Correct	26 ms	4180 KB	Output is correct
86	Correct	27 ms	4220 KB	Output is correct
87	Correct	1823 ms	4228 KB	Output is correct

Subtask #6-2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	5 ms	4180 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Submission #575212

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