답안 #575219

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
575219	2022-06-10T02:38:25 Z	8e7	Uplifting Excursion (BOI22_vault)	C++17	50 / 100	4960 ms	8148 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 2000005
#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 = -maxn / 2, ans = 0;
	ll sum = 0;
	for (int i = 0;i < 2*m+1;i++) {
		cin >> a[i];
		if (i == m) ans += a[i], a[i] = 0;
		sum += a[i] * (i - m);	
	}
	if (sum < L) {
		for (int i = 0;i < m;i++) swap(a[i], a[2*m - i]);
		L = -L;
	}
	for (int i = 0;i < m;i++) {
		L -= a[i] * (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 < 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	Correct	11 ms	8144 KB	Output is correct
2	Correct	10 ms	8148 KB	Output is correct
3	Correct	7 ms	8148 KB	Output is correct
4	Correct	57 ms	8104 KB	Output is correct
5	Incorrect	435 ms	8148 KB	Output isn't correct
6	Halted	0 ms	0 KB	-

Subtask #2
0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	8144 KB	Output is correct
2	Correct	10 ms	8148 KB	Output is correct
3	Correct	7 ms	8148 KB	Output is correct
4	Correct	57 ms	8104 KB	Output is correct
5	Incorrect	435 ms	8148 KB	Output isn't correct
6	Halted	0 ms	0 KB	-

Subtask #3-1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	57 ms	8124 KB	Output is correct
2	Correct	273 ms	8124 KB	Output is correct
3	Correct	79 ms	8020 KB	Output is correct
4	Correct	273 ms	8124 KB	Output is correct
5	Correct	285 ms	8144 KB	Output is correct
6	Correct	246 ms	8124 KB	Output is correct
7	Correct	32 ms	8020 KB	Output is correct
8	Correct	39 ms	8144 KB	Output is correct
9	Correct	153 ms	8148 KB	Output is correct
10	Correct	236 ms	8124 KB	Output is correct

Subtask #3-2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	57 ms	8124 KB	Output is correct
2	Correct	273 ms	8124 KB	Output is correct
3	Correct	79 ms	8020 KB	Output is correct
4	Correct	273 ms	8124 KB	Output is correct
5	Correct	285 ms	8144 KB	Output is correct
6	Correct	246 ms	8124 KB	Output is correct
7	Correct	32 ms	8020 KB	Output is correct
8	Correct	39 ms	8144 KB	Output is correct
9	Correct	153 ms	8148 KB	Output is correct
10	Correct	236 ms	8124 KB	Output is correct
11	Correct	12 ms	8020 KB	Output is correct
12	Correct	11 ms	8140 KB	Output is correct
13	Correct	7 ms	8148 KB	Output is correct
14	Correct	57 ms	8132 KB	Output is correct
15	Correct	272 ms	8084 KB	Output is correct
16	Correct	79 ms	8120 KB	Output is correct
17	Correct	271 ms	8124 KB	Output is correct
18	Correct	300 ms	8120 KB	Output is correct
19	Correct	249 ms	8124 KB	Output is correct
20	Correct	31 ms	8144 KB	Output is correct
21	Correct	37 ms	8020 KB	Output is correct
22	Correct	142 ms	8124 KB	Output is correct
23	Correct	195 ms	8148 KB	Output is correct
24	Correct	238 ms	8020 KB	Output is correct
25	Correct	107 ms	8124 KB	Output is correct
26	Correct	295 ms	8136 KB	Output is correct
27	Correct	250 ms	8124 KB	Output is correct
28	Correct	246 ms	8128 KB	Output is correct

Subtask #4-1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	57 ms	8124 KB	Output is correct
2	Correct	273 ms	8124 KB	Output is correct
3	Correct	79 ms	8020 KB	Output is correct
4	Correct	273 ms	8124 KB	Output is correct
5	Correct	285 ms	8144 KB	Output is correct
6	Correct	246 ms	8124 KB	Output is correct
7	Correct	32 ms	8020 KB	Output is correct
8	Correct	39 ms	8144 KB	Output is correct
9	Correct	153 ms	8148 KB	Output is correct
10	Correct	236 ms	8124 KB	Output is correct
11	Correct	57 ms	8128 KB	Output is correct
12	Correct	252 ms	8120 KB	Output is correct
13	Correct	77 ms	8124 KB	Output is correct
14	Correct	279 ms	8128 KB	Output is correct
15	Correct	297 ms	8124 KB	Output is correct
16	Correct	248 ms	8148 KB	Output is correct
17	Correct	33 ms	8020 KB	Output is correct
18	Correct	38 ms	8020 KB	Output is correct
19	Correct	138 ms	8120 KB	Output is correct
20	Correct	185 ms	8120 KB	Output is correct
21	Correct	30 ms	8020 KB	Output is correct
22	Correct	42 ms	8124 KB	Output is correct
23	Correct	500 ms	8132 KB	Output is correct
24	Correct	224 ms	8036 KB	Output is correct
25	Correct	482 ms	8020 KB	Output is correct
26	Correct	564 ms	8124 KB	Output is correct
27	Correct	511 ms	8140 KB	Output is correct
28	Correct	387 ms	8020 KB	Output is correct

Subtask #4-2
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	8144 KB	Output is correct
2	Correct	10 ms	8148 KB	Output is correct
3	Correct	7 ms	8148 KB	Output is correct
4	Correct	57 ms	8104 KB	Output is correct
5	Incorrect	435 ms	8148 KB	Output isn't correct
6	Halted	0 ms	0 KB	-

Subtask #5-1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	57 ms	8124 KB	Output is correct
2	Correct	273 ms	8124 KB	Output is correct
3	Correct	79 ms	8020 KB	Output is correct
4	Correct	273 ms	8124 KB	Output is correct
5	Correct	285 ms	8144 KB	Output is correct
6	Correct	246 ms	8124 KB	Output is correct
7	Correct	32 ms	8020 KB	Output is correct
8	Correct	39 ms	8144 KB	Output is correct
9	Correct	153 ms	8148 KB	Output is correct
10	Correct	236 ms	8124 KB	Output is correct
11	Correct	57 ms	8128 KB	Output is correct
12	Correct	252 ms	8120 KB	Output is correct
13	Correct	77 ms	8124 KB	Output is correct
14	Correct	279 ms	8128 KB	Output is correct
15	Correct	297 ms	8124 KB	Output is correct
16	Correct	248 ms	8148 KB	Output is correct
17	Correct	33 ms	8020 KB	Output is correct
18	Correct	38 ms	8020 KB	Output is correct
19	Correct	138 ms	8120 KB	Output is correct
20	Correct	185 ms	8120 KB	Output is correct
21	Correct	30 ms	8020 KB	Output is correct
22	Correct	42 ms	8124 KB	Output is correct
23	Correct	500 ms	8132 KB	Output is correct
24	Correct	224 ms	8036 KB	Output is correct
25	Correct	482 ms	8020 KB	Output is correct
26	Correct	564 ms	8124 KB	Output is correct
27	Correct	511 ms	8140 KB	Output is correct
28	Correct	387 ms	8020 KB	Output is correct
29	Correct	56 ms	8124 KB	Output is correct
30	Correct	256 ms	8020 KB	Output is correct
31	Correct	77 ms	8124 KB	Output is correct
32	Correct	276 ms	8120 KB	Output is correct
33	Correct	286 ms	8128 KB	Output is correct
34	Correct	251 ms	8148 KB	Output is correct
35	Correct	36 ms	8124 KB	Output is correct
36	Correct	39 ms	8120 KB	Output is correct
37	Correct	145 ms	8140 KB	Output is correct
38	Correct	183 ms	8020 KB	Output is correct
39	Correct	30 ms	8140 KB	Output is correct
40	Correct	43 ms	8020 KB	Output is correct
41	Correct	499 ms	8136 KB	Output is correct
42	Correct	218 ms	8124 KB	Output is correct
43	Correct	479 ms	8124 KB	Output is correct
44	Correct	568 ms	8124 KB	Output is correct
45	Correct	528 ms	8124 KB	Output is correct
46	Correct	413 ms	8140 KB	Output is correct
47	Correct	35 ms	8148 KB	Output is correct
48	Correct	49 ms	8128 KB	Output is correct
49	Correct	1104 ms	8140 KB	Output is correct
50	Correct	520 ms	8020 KB	Output is correct
51	Correct	1191 ms	8128 KB	Output is correct
52	Correct	1297 ms	8128 KB	Output is correct
53	Correct	1130 ms	8124 KB	Output is correct
54	Correct	962 ms	8140 KB	Output is correct

Subtask #5-2
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	8144 KB	Output is correct
2	Correct	10 ms	8148 KB	Output is correct
3	Correct	7 ms	8148 KB	Output is correct
4	Correct	57 ms	8104 KB	Output is correct
5	Incorrect	435 ms	8148 KB	Output isn't correct
6	Halted	0 ms	0 KB	-

Subtask #6-1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	57 ms	8124 KB	Output is correct
2	Correct	273 ms	8124 KB	Output is correct
3	Correct	79 ms	8020 KB	Output is correct
4	Correct	273 ms	8124 KB	Output is correct
5	Correct	285 ms	8144 KB	Output is correct
6	Correct	246 ms	8124 KB	Output is correct
7	Correct	32 ms	8020 KB	Output is correct
8	Correct	39 ms	8144 KB	Output is correct
9	Correct	153 ms	8148 KB	Output is correct
10	Correct	236 ms	8124 KB	Output is correct
11	Correct	57 ms	8128 KB	Output is correct
12	Correct	252 ms	8120 KB	Output is correct
13	Correct	77 ms	8124 KB	Output is correct
14	Correct	279 ms	8128 KB	Output is correct
15	Correct	297 ms	8124 KB	Output is correct
16	Correct	248 ms	8148 KB	Output is correct
17	Correct	33 ms	8020 KB	Output is correct
18	Correct	38 ms	8020 KB	Output is correct
19	Correct	138 ms	8120 KB	Output is correct
20	Correct	185 ms	8120 KB	Output is correct
21	Correct	30 ms	8020 KB	Output is correct
22	Correct	42 ms	8124 KB	Output is correct
23	Correct	500 ms	8132 KB	Output is correct
24	Correct	224 ms	8036 KB	Output is correct
25	Correct	482 ms	8020 KB	Output is correct
26	Correct	564 ms	8124 KB	Output is correct
27	Correct	511 ms	8140 KB	Output is correct
28	Correct	387 ms	8020 KB	Output is correct
29	Correct	56 ms	8124 KB	Output is correct
30	Correct	256 ms	8020 KB	Output is correct
31	Correct	77 ms	8124 KB	Output is correct
32	Correct	276 ms	8120 KB	Output is correct
33	Correct	286 ms	8128 KB	Output is correct
34	Correct	251 ms	8148 KB	Output is correct
35	Correct	36 ms	8124 KB	Output is correct
36	Correct	39 ms	8120 KB	Output is correct
37	Correct	145 ms	8140 KB	Output is correct
38	Correct	183 ms	8020 KB	Output is correct
39	Correct	30 ms	8140 KB	Output is correct
40	Correct	43 ms	8020 KB	Output is correct
41	Correct	499 ms	8136 KB	Output is correct
42	Correct	218 ms	8124 KB	Output is correct
43	Correct	479 ms	8124 KB	Output is correct
44	Correct	568 ms	8124 KB	Output is correct
45	Correct	528 ms	8124 KB	Output is correct
46	Correct	413 ms	8140 KB	Output is correct
47	Correct	35 ms	8148 KB	Output is correct
48	Correct	49 ms	8128 KB	Output is correct
49	Correct	1104 ms	8140 KB	Output is correct
50	Correct	520 ms	8020 KB	Output is correct
51	Correct	1191 ms	8128 KB	Output is correct
52	Correct	1297 ms	8128 KB	Output is correct
53	Correct	1130 ms	8124 KB	Output is correct
54	Correct	962 ms	8140 KB	Output is correct
55	Correct	56 ms	8020 KB	Output is correct
56	Correct	256 ms	8124 KB	Output is correct
57	Correct	84 ms	8020 KB	Output is correct
58	Correct	275 ms	8124 KB	Output is correct
59	Correct	287 ms	8020 KB	Output is correct
60	Correct	263 ms	8128 KB	Output is correct
61	Correct	33 ms	8020 KB	Output is correct
62	Correct	37 ms	8124 KB	Output is correct
63	Correct	136 ms	8124 KB	Output is correct
64	Correct	191 ms	8120 KB	Output is correct
65	Correct	30 ms	8144 KB	Output is correct
66	Correct	44 ms	8124 KB	Output is correct
67	Correct	484 ms	8124 KB	Output is correct
68	Correct	224 ms	8128 KB	Output is correct
69	Correct	475 ms	8120 KB	Output is correct
70	Correct	591 ms	8124 KB	Output is correct
71	Correct	522 ms	8124 KB	Output is correct
72	Correct	375 ms	8132 KB	Output is correct
73	Correct	34 ms	8044 KB	Output is correct
74	Correct	47 ms	8020 KB	Output is correct
75	Correct	1102 ms	8128 KB	Output is correct
76	Correct	482 ms	8128 KB	Output is correct
77	Correct	1189 ms	8020 KB	Output is correct
78	Correct	1300 ms	8124 KB	Output is correct
79	Correct	1095 ms	8140 KB	Output is correct
80	Correct	939 ms	8140 KB	Output is correct
81	Correct	4309 ms	8148 KB	Output is correct
82	Correct	1856 ms	8140 KB	Output is correct
83	Correct	4232 ms	8148 KB	Output is correct
84	Correct	4960 ms	8148 KB	Output is correct
85	Correct	53 ms	8148 KB	Output is correct
86	Correct	55 ms	8136 KB	Output is correct
87	Correct	3749 ms	8132 KB	Output is correct

Subtask #6-2
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	8144 KB	Output is correct
2	Correct	10 ms	8148 KB	Output is correct
3	Correct	7 ms	8148 KB	Output is correct
4	Correct	57 ms	8104 KB	Output is correct
5	Incorrect	435 ms	8148 KB	Output isn't correct
6	Halted	0 ms	0 KB	-

답안 #575219

Compilation message