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Submission #1074740

# Submission time Handle Problem Language Result Execution time Memory
1074740 2024-08-25T13:30:36 Z socpite Uplifting Excursion (BOI22_vault) C++17
30 / 100
 919 ms 73820 KB 
#include<bits/stdc++.h>
using namespace std;

const long long INF = 1e18;
const int maxn = 105;

long long A[2*maxn], inp[2*maxn];

int bs_A[2*maxn][65];

long long dp[maxn][8*maxn*maxn];
long long tmp[8*maxn*maxn];

int main(){
	int m;
	long long L;
	cin >> m >> L;
	for(int i = 0; i <= 2*m; i++)cin >> A[i];
	if(L < 0){
		L*=-1;
		for(int i = 1; i <= m; i++)swap(A[i-m], A[i+m]);
	}
	for(int i = 0; i <= 2*m; i++){
		if(i == m)continue;
		for(int j = 0; j <= 60; j++){
			if(A[i] == 0)break;
			bs_A[i][j] = A[i]&1 ? 1 : 2;
			A[i] = (A[i]-1)/2;
		}
	}
	int sum = m*(m+1)*4;
	memset(dp, -1, sizeof(dp));
	dp[1][sum] = 0;
	for(int b = 0; b <= 60; b++){
		for(int i = 1; i <= m; i++){
			for(int j = 0; j <= 2*sum; j++){
				if(dp[i][j] == -1)continue;
				for(int p_val = 0; p_val <= bs_A[m+i][b]; p_val++){
					for(int n_val = 0; n_val <= bs_A[m-i][b]; n_val++){
						int nw = j + (p_val - n_val)*i;
						long long cost = p_val + n_val;
						cost <<= b;
						assert(0 <= nw && nw <= 2*sum);
						dp[i+1][nw] = max(dp[i+1][nw], dp[i][j] + cost);
					}
				}
			}
		}
		for(int j = 0; j <= 2*sum; j++)tmp[j] = -1; 
		for(int i = 0; i <= 2*sum; i++){
			if(((i&1)^(sum&1)) != ((L>>b)&1))continue;
			int ri = i - sum, pos;
			if(ri < 0)pos = (ri-1)/2 + sum;
			else pos = ri/2 + sum;
			assert(pos >= 0 && pos <= 2*sum);
			tmp[pos] = max(tmp[pos], dp[m+1][i]);
		}
		for(int i = 2; i <= m+1; i++){
			for(int j = 0; j <= 2*sum; j++)dp[i][j] = -1;
		}
		for(int i = 0; i <= 2*sum; i++)dp[1][i] = tmp[i];
	}
	if(dp[1][sum] == -1)cout << "impossible";
	else cout << dp[1][sum] + A[m];
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 72796 KB Output is correct
2 Correct 28 ms 72764 KB Output is correct
3 Correct 30 ms 72784 KB Output is correct
4 Correct 29 ms 72792 KB Output is correct
5 Correct 106 ms 72948 KB Output is correct
6 Correct 111 ms 73040 KB Output is correct
7 Correct 110 ms 73040 KB Output is correct
8 Incorrect 106 ms 73044 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 72796 KB Output is correct
2 Correct 28 ms 72764 KB Output is correct
3 Correct 30 ms 72784 KB Output is correct
4 Correct 29 ms 72792 KB Output is correct
5 Correct 106 ms 72948 KB Output is correct
6 Correct 111 ms 73040 KB Output is correct
7 Correct 110 ms 73040 KB Output is correct
8 Incorrect 106 ms 73044 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #3-1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 72796 KB Output is correct
2 Correct 51 ms 72796 KB Output is correct
3 Correct 46 ms 72868 KB Output is correct
4 Correct 51 ms 72964 KB Output is correct
5 Correct 48 ms 72796 KB Output is correct
6 Correct 45 ms 72788 KB Output is correct
7 Correct 51 ms 72856 KB Output is correct
8 Correct 50 ms 72792 KB Output is correct
9 Correct 59 ms 72784 KB Output is correct
10 Correct 50 ms 72796 KB Output is correct

Subtask #3-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 72796 KB Output is correct
2 Correct 51 ms 72796 KB Output is correct
3 Correct 46 ms 72868 KB Output is correct
4 Correct 51 ms 72964 KB Output is correct
5 Correct 48 ms 72796 KB Output is correct
6 Correct 45 ms 72788 KB Output is correct
7 Correct 51 ms 72856 KB Output is correct
8 Correct 50 ms 72792 KB Output is correct
9 Correct 59 ms 72784 KB Output is correct
10 Correct 50 ms 72796 KB Output is correct
11 Correct 31 ms 72792 KB Output is correct
12 Correct 29 ms 72828 KB Output is correct
13 Correct 28 ms 72796 KB Output is correct
14 Correct 32 ms 72784 KB Output is correct
15 Correct 51 ms 72788 KB Output is correct
16 Correct 46 ms 72792 KB Output is correct
17 Correct 48 ms 73160 KB Output is correct
18 Correct 51 ms 72788 KB Output is correct
19 Correct 52 ms 72788 KB Output is correct
20 Correct 51 ms 72984 KB Output is correct
21 Correct 60 ms 73048 KB Output is correct
22 Correct 60 ms 72796 KB Output is correct
23 Correct 51 ms 72916 KB Output is correct
24 Correct 57 ms 72796 KB Output is correct
25 Correct 50 ms 72796 KB Output is correct
26 Incorrect 51 ms 72788 KB Output isn't correct
27 Halted 0 ms 0 KB -

Subtask #4-1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 72796 KB Output is correct
2 Correct 51 ms 72796 KB Output is correct
3 Correct 46 ms 72868 KB Output is correct
4 Correct 51 ms 72964 KB Output is correct
5 Correct 48 ms 72796 KB Output is correct
6 Correct 45 ms 72788 KB Output is correct
7 Correct 51 ms 72856 KB Output is correct
8 Correct 50 ms 72792 KB Output is correct
9 Correct 59 ms 72784 KB Output is correct
10 Correct 50 ms 72796 KB Output is correct
11 Correct 34 ms 72784 KB Output is correct
12 Correct 50 ms 72796 KB Output is correct
13 Correct 56 ms 72788 KB Output is correct
14 Correct 48 ms 72796 KB Output is correct
15 Correct 48 ms 72796 KB Output is correct
16 Correct 46 ms 72796 KB Output is correct
17 Correct 46 ms 72788 KB Output is correct
18 Correct 48 ms 72796 KB Output is correct
19 Correct 49 ms 72788 KB Output is correct
20 Correct 47 ms 72796 KB Output is correct
21 Correct 109 ms 73052 KB Output is correct
22 Correct 102 ms 73044 KB Output is correct
23 Correct 110 ms 73052 KB Output is correct
24 Correct 108 ms 73104 KB Output is correct
25 Correct 112 ms 73040 KB Output is correct
26 Correct 117 ms 73040 KB Output is correct
27 Correct 114 ms 73048 KB Output is correct
28 Correct 133 ms 73292 KB Output is correct

Subtask #4-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 72796 KB Output is correct
2 Correct 28 ms 72764 KB Output is correct
3 Correct 30 ms 72784 KB Output is correct
4 Correct 29 ms 72792 KB Output is correct
5 Correct 106 ms 72948 KB Output is correct
6 Correct 111 ms 73040 KB Output is correct
7 Correct 110 ms 73040 KB Output is correct
8 Incorrect 106 ms 73044 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #5-1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 72796 KB Output is correct
2 Correct 51 ms 72796 KB Output is correct
3 Correct 46 ms 72868 KB Output is correct
4 Correct 51 ms 72964 KB Output is correct
5 Correct 48 ms 72796 KB Output is correct
6 Correct 45 ms 72788 KB Output is correct
7 Correct 51 ms 72856 KB Output is correct
8 Correct 50 ms 72792 KB Output is correct
9 Correct 59 ms 72784 KB Output is correct
10 Correct 50 ms 72796 KB Output is correct
11 Correct 34 ms 72784 KB Output is correct
12 Correct 50 ms 72796 KB Output is correct
13 Correct 56 ms 72788 KB Output is correct
14 Correct 48 ms 72796 KB Output is correct
15 Correct 48 ms 72796 KB Output is correct
16 Correct 46 ms 72796 KB Output is correct
17 Correct 46 ms 72788 KB Output is correct
18 Correct 48 ms 72796 KB Output is correct
19 Correct 49 ms 72788 KB Output is correct
20 Correct 47 ms 72796 KB Output is correct
21 Correct 109 ms 73052 KB Output is correct
22 Correct 102 ms 73044 KB Output is correct
23 Correct 110 ms 73052 KB Output is correct
24 Correct 108 ms 73104 KB Output is correct
25 Correct 112 ms 73040 KB Output is correct
26 Correct 117 ms 73040 KB Output is correct
27 Correct 114 ms 73048 KB Output is correct
28 Correct 133 ms 73292 KB Output is correct
29 Correct 29 ms 72796 KB Output is correct
30 Correct 53 ms 72788 KB Output is correct
31 Correct 46 ms 72796 KB Output is correct
32 Correct 51 ms 72792 KB Output is correct
33 Correct 51 ms 72796 KB Output is correct
34 Correct 52 ms 72796 KB Output is correct
35 Correct 60 ms 72788 KB Output is correct
36 Correct 49 ms 72908 KB Output is correct
37 Correct 45 ms 72988 KB Output is correct
38 Correct 47 ms 72796 KB Output is correct
39 Correct 116 ms 73080 KB Output is correct
40 Correct 105 ms 73020 KB Output is correct
41 Correct 125 ms 73044 KB Output is correct
42 Correct 108 ms 73044 KB Output is correct
43 Correct 110 ms 73052 KB Output is correct
44 Correct 115 ms 73040 KB Output is correct
45 Correct 115 ms 73040 KB Output is correct
46 Correct 110 ms 73044 KB Output is correct
47 Correct 751 ms 73456 KB Output is correct
48 Correct 740 ms 73808 KB Output is correct
49 Correct 823 ms 73552 KB Output is correct
50 Correct 784 ms 73556 KB Output is correct
51 Correct 826 ms 73564 KB Output is correct
52 Correct 810 ms 73820 KB Output is correct
53 Correct 867 ms 73816 KB Output is correct
54 Correct 809 ms 73592 KB Output is correct

Subtask #5-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 72796 KB Output is correct
2 Correct 28 ms 72764 KB Output is correct
3 Correct 30 ms 72784 KB Output is correct
4 Correct 29 ms 72792 KB Output is correct
5 Correct 106 ms 72948 KB Output is correct
6 Correct 111 ms 73040 KB Output is correct
7 Correct 110 ms 73040 KB Output is correct
8 Incorrect 106 ms 73044 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #6-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 72796 KB Output is correct
2 Correct 51 ms 72796 KB Output is correct
3 Correct 46 ms 72868 KB Output is correct
4 Correct 51 ms 72964 KB Output is correct
5 Correct 48 ms 72796 KB Output is correct
6 Correct 45 ms 72788 KB Output is correct
7 Correct 51 ms 72856 KB Output is correct
8 Correct 50 ms 72792 KB Output is correct
9 Correct 59 ms 72784 KB Output is correct
10 Correct 50 ms 72796 KB Output is correct
11 Correct 34 ms 72784 KB Output is correct
12 Correct 50 ms 72796 KB Output is correct
13 Correct 56 ms 72788 KB Output is correct
14 Correct 48 ms 72796 KB Output is correct
15 Correct 48 ms 72796 KB Output is correct
16 Correct 46 ms 72796 KB Output is correct
17 Correct 46 ms 72788 KB Output is correct
18 Correct 48 ms 72796 KB Output is correct
19 Correct 49 ms 72788 KB Output is correct
20 Correct 47 ms 72796 KB Output is correct
21 Correct 109 ms 73052 KB Output is correct
22 Correct 102 ms 73044 KB Output is correct
23 Correct 110 ms 73052 KB Output is correct
24 Correct 108 ms 73104 KB Output is correct
25 Correct 112 ms 73040 KB Output is correct
26 Correct 117 ms 73040 KB Output is correct
27 Correct 114 ms 73048 KB Output is correct
28 Correct 133 ms 73292 KB Output is correct
29 Correct 29 ms 72796 KB Output is correct
30 Correct 53 ms 72788 KB Output is correct
31 Correct 46 ms 72796 KB Output is correct
32 Correct 51 ms 72792 KB Output is correct
33 Correct 51 ms 72796 KB Output is correct
34 Correct 52 ms 72796 KB Output is correct
35 Correct 60 ms 72788 KB Output is correct
36 Correct 49 ms 72908 KB Output is correct
37 Correct 45 ms 72988 KB Output is correct
38 Correct 47 ms 72796 KB Output is correct
39 Correct 116 ms 73080 KB Output is correct
40 Correct 105 ms 73020 KB Output is correct
41 Correct 125 ms 73044 KB Output is correct
42 Correct 108 ms 73044 KB Output is correct
43 Correct 110 ms 73052 KB Output is correct
44 Correct 115 ms 73040 KB Output is correct
45 Correct 115 ms 73040 KB Output is correct
46 Correct 110 ms 73044 KB Output is correct
47 Correct 751 ms 73456 KB Output is correct
48 Correct 740 ms 73808 KB Output is correct
49 Correct 823 ms 73552 KB Output is correct
50 Correct 784 ms 73556 KB Output is correct
51 Correct 826 ms 73564 KB Output is correct
52 Correct 810 ms 73820 KB Output is correct
53 Correct 867 ms 73816 KB Output is correct
54 Correct 809 ms 73592 KB Output is correct
55 Correct 33 ms 72792 KB Output is correct
56 Correct 50 ms 72796 KB Output is correct
57 Correct 85 ms 72784 KB Output is correct
58 Correct 46 ms 72788 KB Output is correct
59 Correct 45 ms 72792 KB Output is correct
60 Correct 44 ms 72852 KB Output is correct
61 Correct 47 ms 72796 KB Output is correct
62 Correct 70 ms 72784 KB Output is correct
63 Correct 78 ms 72788 KB Output is correct
64 Correct 47 ms 72988 KB Output is correct
65 Correct 116 ms 72908 KB Output is correct
66 Correct 103 ms 73040 KB Output is correct
67 Correct 115 ms 73100 KB Output is correct
68 Correct 115 ms 73096 KB Output is correct
69 Correct 119 ms 73032 KB Output is correct
70 Correct 125 ms 73000 KB Output is correct
71 Correct 124 ms 72948 KB Output is correct
72 Correct 135 ms 73092 KB Output is correct
73 Correct 780 ms 73556 KB Output is correct
74 Correct 769 ms 73440 KB Output is correct
75 Correct 874 ms 73580 KB Output is correct
76 Correct 806 ms 73552 KB Output is correct
77 Correct 919 ms 73552 KB Output is correct
78 Correct 892 ms 73524 KB Output is correct
79 Correct 913 ms 73588 KB Output is correct
80 Correct 863 ms 73588 KB Output is correct
81 Runtime error 2 ms 348 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 Correct 29 ms 72796 KB Output is correct
2 Correct 28 ms 72764 KB Output is correct
3 Correct 30 ms 72784 KB Output is correct
4 Correct 29 ms 72792 KB Output is correct
5 Correct 106 ms 72948 KB Output is correct
6 Correct 111 ms 73040 KB Output is correct
7 Correct 110 ms 73040 KB Output is correct
8 Incorrect 106 ms 73044 KB Output isn't correct
9 Halted 0 ms 0 KB -