답안 #574295

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
574295	2022-06-08T09:50:38 Z	8e7	Uplifting Excursion (BOI22_vault)	C++17	30 / 100	2207 ms	24276 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 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[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	19 ms	11988 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #2
0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	19 ms	11988 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	86 ms	11988 KB	Output is correct
2	Correct	412 ms	12044 KB	Output is correct
3	Correct	116 ms	11988 KB	Output is correct
4	Correct	431 ms	12036 KB	Output is correct
5	Correct	450 ms	12040 KB	Output is correct
6	Correct	392 ms	12108 KB	Output is correct
7	Correct	54 ms	12040 KB	Output is correct
8	Correct	56 ms	12040 KB	Output is correct
9	Correct	212 ms	12040 KB	Output is correct
10	Correct	282 ms	11988 KB	Output is correct

Subtask #3-2
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	86 ms	11988 KB	Output is correct
2	Correct	412 ms	12044 KB	Output is correct
3	Correct	116 ms	11988 KB	Output is correct
4	Correct	431 ms	12036 KB	Output is correct
5	Correct	450 ms	12040 KB	Output is correct
6	Correct	392 ms	12108 KB	Output is correct
7	Correct	54 ms	12040 KB	Output is correct
8	Correct	56 ms	12040 KB	Output is correct
9	Correct	212 ms	12040 KB	Output is correct
10	Correct	282 ms	11988 KB	Output is correct
11	Incorrect	22 ms	11988 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	86 ms	11988 KB	Output is correct
2	Correct	412 ms	12044 KB	Output is correct
3	Correct	116 ms	11988 KB	Output is correct
4	Correct	431 ms	12036 KB	Output is correct
5	Correct	450 ms	12040 KB	Output is correct
6	Correct	392 ms	12108 KB	Output is correct
7	Correct	54 ms	12040 KB	Output is correct
8	Correct	56 ms	12040 KB	Output is correct
9	Correct	212 ms	12040 KB	Output is correct
10	Correct	282 ms	11988 KB	Output is correct
11	Correct	86 ms	12040 KB	Output is correct
12	Correct	400 ms	12036 KB	Output is correct
13	Correct	114 ms	11988 KB	Output is correct
14	Correct	424 ms	12040 KB	Output is correct
15	Correct	443 ms	12044 KB	Output is correct
16	Correct	390 ms	12036 KB	Output is correct
17	Correct	48 ms	12044 KB	Output is correct
18	Correct	61 ms	11988 KB	Output is correct
19	Correct	213 ms	12040 KB	Output is correct
20	Correct	280 ms	12056 KB	Output is correct
21	Correct	51 ms	12040 KB	Output is correct
22	Correct	64 ms	12044 KB	Output is correct
23	Correct	753 ms	12036 KB	Output is correct
24	Correct	331 ms	12108 KB	Output is correct
25	Correct	728 ms	12040 KB	Output is correct
26	Correct	875 ms	12036 KB	Output is correct
27	Correct	780 ms	12036 KB	Output is correct
28	Correct	586 ms	11988 KB	Output is correct

Subtask #4-2
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	19 ms	11988 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	86 ms	11988 KB	Output is correct
2	Correct	412 ms	12044 KB	Output is correct
3	Correct	116 ms	11988 KB	Output is correct
4	Correct	431 ms	12036 KB	Output is correct
5	Correct	450 ms	12040 KB	Output is correct
6	Correct	392 ms	12108 KB	Output is correct
7	Correct	54 ms	12040 KB	Output is correct
8	Correct	56 ms	12040 KB	Output is correct
9	Correct	212 ms	12040 KB	Output is correct
10	Correct	282 ms	11988 KB	Output is correct
11	Correct	86 ms	12040 KB	Output is correct
12	Correct	400 ms	12036 KB	Output is correct
13	Correct	114 ms	11988 KB	Output is correct
14	Correct	424 ms	12040 KB	Output is correct
15	Correct	443 ms	12044 KB	Output is correct
16	Correct	390 ms	12036 KB	Output is correct
17	Correct	48 ms	12044 KB	Output is correct
18	Correct	61 ms	11988 KB	Output is correct
19	Correct	213 ms	12040 KB	Output is correct
20	Correct	280 ms	12056 KB	Output is correct
21	Correct	51 ms	12040 KB	Output is correct
22	Correct	64 ms	12044 KB	Output is correct
23	Correct	753 ms	12036 KB	Output is correct
24	Correct	331 ms	12108 KB	Output is correct
25	Correct	728 ms	12040 KB	Output is correct
26	Correct	875 ms	12036 KB	Output is correct
27	Correct	780 ms	12036 KB	Output is correct
28	Correct	586 ms	11988 KB	Output is correct
29	Correct	85 ms	12032 KB	Output is correct
30	Correct	411 ms	12040 KB	Output is correct
31	Correct	115 ms	11988 KB	Output is correct
32	Correct	416 ms	12036 KB	Output is correct
33	Correct	440 ms	12040 KB	Output is correct
34	Correct	392 ms	11988 KB	Output is correct
35	Correct	47 ms	11988 KB	Output is correct
36	Correct	57 ms	11988 KB	Output is correct
37	Correct	218 ms	12048 KB	Output is correct
38	Correct	291 ms	11988 KB	Output is correct
39	Correct	46 ms	11988 KB	Output is correct
40	Correct	67 ms	12036 KB	Output is correct
41	Correct	753 ms	12036 KB	Output is correct
42	Correct	336 ms	12036 KB	Output is correct
43	Correct	756 ms	12044 KB	Output is correct
44	Correct	868 ms	12036 KB	Output is correct
45	Correct	809 ms	11988 KB	Output is correct
46	Correct	607 ms	12040 KB	Output is correct
47	Correct	51 ms	11988 KB	Output is correct
48	Correct	78 ms	12040 KB	Output is correct
49	Correct	1733 ms	12044 KB	Output is correct
50	Correct	736 ms	12044 KB	Output is correct
51	Correct	1911 ms	12048 KB	Output is correct
52	Correct	2142 ms	12048 KB	Output is correct
53	Correct	1966 ms	12044 KB	Output is correct
54	Correct	1588 ms	12044 KB	Output is correct

Subtask #5-2
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	19 ms	11988 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	86 ms	11988 KB	Output is correct
2	Correct	412 ms	12044 KB	Output is correct
3	Correct	116 ms	11988 KB	Output is correct
4	Correct	431 ms	12036 KB	Output is correct
5	Correct	450 ms	12040 KB	Output is correct
6	Correct	392 ms	12108 KB	Output is correct
7	Correct	54 ms	12040 KB	Output is correct
8	Correct	56 ms	12040 KB	Output is correct
9	Correct	212 ms	12040 KB	Output is correct
10	Correct	282 ms	11988 KB	Output is correct
11	Correct	86 ms	12040 KB	Output is correct
12	Correct	400 ms	12036 KB	Output is correct
13	Correct	114 ms	11988 KB	Output is correct
14	Correct	424 ms	12040 KB	Output is correct
15	Correct	443 ms	12044 KB	Output is correct
16	Correct	390 ms	12036 KB	Output is correct
17	Correct	48 ms	12044 KB	Output is correct
18	Correct	61 ms	11988 KB	Output is correct
19	Correct	213 ms	12040 KB	Output is correct
20	Correct	280 ms	12056 KB	Output is correct
21	Correct	51 ms	12040 KB	Output is correct
22	Correct	64 ms	12044 KB	Output is correct
23	Correct	753 ms	12036 KB	Output is correct
24	Correct	331 ms	12108 KB	Output is correct
25	Correct	728 ms	12040 KB	Output is correct
26	Correct	875 ms	12036 KB	Output is correct
27	Correct	780 ms	12036 KB	Output is correct
28	Correct	586 ms	11988 KB	Output is correct
29	Correct	85 ms	12032 KB	Output is correct
30	Correct	411 ms	12040 KB	Output is correct
31	Correct	115 ms	11988 KB	Output is correct
32	Correct	416 ms	12036 KB	Output is correct
33	Correct	440 ms	12040 KB	Output is correct
34	Correct	392 ms	11988 KB	Output is correct
35	Correct	47 ms	11988 KB	Output is correct
36	Correct	57 ms	11988 KB	Output is correct
37	Correct	218 ms	12048 KB	Output is correct
38	Correct	291 ms	11988 KB	Output is correct
39	Correct	46 ms	11988 KB	Output is correct
40	Correct	67 ms	12036 KB	Output is correct
41	Correct	753 ms	12036 KB	Output is correct
42	Correct	336 ms	12036 KB	Output is correct
43	Correct	756 ms	12044 KB	Output is correct
44	Correct	868 ms	12036 KB	Output is correct
45	Correct	809 ms	11988 KB	Output is correct
46	Correct	607 ms	12040 KB	Output is correct
47	Correct	51 ms	11988 KB	Output is correct
48	Correct	78 ms	12040 KB	Output is correct
49	Correct	1733 ms	12044 KB	Output is correct
50	Correct	736 ms	12044 KB	Output is correct
51	Correct	1911 ms	12048 KB	Output is correct
52	Correct	2142 ms	12048 KB	Output is correct
53	Correct	1966 ms	12044 KB	Output is correct
54	Correct	1588 ms	12044 KB	Output is correct
55	Correct	107 ms	12036 KB	Output is correct
56	Correct	462 ms	12040 KB	Output is correct
57	Correct	135 ms	12036 KB	Output is correct
58	Correct	482 ms	12040 KB	Output is correct
59	Correct	528 ms	12056 KB	Output is correct
60	Correct	427 ms	12044 KB	Output is correct
61	Correct	52 ms	11988 KB	Output is correct
62	Correct	80 ms	12040 KB	Output is correct
63	Correct	262 ms	12036 KB	Output is correct
64	Correct	320 ms	11988 KB	Output is correct
65	Correct	48 ms	11988 KB	Output is correct
66	Correct	114 ms	11988 KB	Output is correct
67	Correct	840 ms	12040 KB	Output is correct
68	Correct	434 ms	12040 KB	Output is correct
69	Correct	797 ms	12036 KB	Output is correct
70	Correct	1029 ms	12044 KB	Output is correct
71	Correct	964 ms	12040 KB	Output is correct
72	Correct	648 ms	12044 KB	Output is correct
73	Correct	56 ms	11988 KB	Output is correct
74	Correct	82 ms	12044 KB	Output is correct
75	Correct	1840 ms	12048 KB	Output is correct
76	Correct	837 ms	12044 KB	Output is correct
77	Correct	2019 ms	12044 KB	Output is correct
78	Correct	2207 ms	12040 KB	Output is correct
79	Correct	1897 ms	12044 KB	Output is correct
80	Correct	1656 ms	12040 KB	Output is correct
81	Runtime error	20 ms	24276 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	19 ms	11988 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

답안 #574295

Compilation message