#include <bits/stdc++.h>
using namespace std;
const int N = 2005;
int n, A, B;
int arr[N];
long long sum[N];
namespace Task1 {
bool f[N][N];
void calDP(long long mask) {
f[0][0] = 1;
for (int i = 1; i <= n; ++i) {
for (int j = 1; j <= i; ++j) {
f[i][j] = 0;
}
}
for (int i = 1; i <= n; ++i) {
for (int j = 1; j <= i; ++j) {
for (int k = 0; k < i; ++k) {
if ((sum[i] - sum[k]) & mask) continue;
f[i][j] |= f[k][j - 1];
}
}
}
}
void solve() {
long long mask = 0, res = 0;
for (int i = 45; i >= 0; --i) {
mask ^= (1LL << i);
calDP(mask);
bool found = 0;
for (int j = A; j <= B; ++j) found |= f[n][j];
if (!found) {
mask ^= (1LL << i), res += 1LL << i;
}
}
cout << res;
}
}
namespace Task2 {
const int INF = 1e9;
int f[N];
void calDP(long long mask) {
f[0] = 0;
for (int i = 1; i <= n; ++i) {
f[i] = INF;
for (int j = 0; j < i; ++j) {
if ((sum[i] - sum[j]) & mask) continue;
f[i] = min(f[i], f[j] + 1);
}
}
}
void solve() {
long long mask = 0, res = 0;
for (int i = 45; i >= 0; --i) {
mask ^= (1LL << i);
calDP(mask);
bool found = f[n] <= B;
if (!found) {
mask ^= (1LL << i), res += 1LL << i;
}
}
cout << res << '\n';
}
}
int main() {
ios::sync_with_stdio(false);
cin >> n >> A >> B;
for (int i = 1; i <= n; ++i) cin >> arr[i];
for (int i = 1; i <= n; ++i) sum[i] = sum[i - 1] + arr[i];
if (n <= 100)
Task1::solve();
else
Task2::solve();
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
496 KB |
Output is correct |
3 |
Correct |
3 ms |
568 KB |
Output is correct |
4 |
Correct |
2 ms |
568 KB |
Output is correct |
5 |
Correct |
2 ms |
568 KB |
Output is correct |
6 |
Correct |
2 ms |
676 KB |
Output is correct |
7 |
Correct |
2 ms |
676 KB |
Output is correct |
8 |
Correct |
2 ms |
676 KB |
Output is correct |
9 |
Correct |
2 ms |
676 KB |
Output is correct |
10 |
Correct |
2 ms |
728 KB |
Output is correct |
11 |
Correct |
2 ms |
728 KB |
Output is correct |
12 |
Correct |
2 ms |
728 KB |
Output is correct |
13 |
Correct |
3 ms |
728 KB |
Output is correct |
14 |
Correct |
2 ms |
728 KB |
Output is correct |
15 |
Correct |
2 ms |
728 KB |
Output is correct |
16 |
Correct |
2 ms |
728 KB |
Output is correct |
17 |
Correct |
2 ms |
852 KB |
Output is correct |
18 |
Correct |
2 ms |
852 KB |
Output is correct |
19 |
Correct |
2 ms |
852 KB |
Output is correct |
20 |
Correct |
2 ms |
852 KB |
Output is correct |
21 |
Correct |
3 ms |
852 KB |
Output is correct |
22 |
Correct |
2 ms |
928 KB |
Output is correct |
23 |
Correct |
2 ms |
928 KB |
Output is correct |
24 |
Correct |
2 ms |
928 KB |
Output is correct |
25 |
Correct |
2 ms |
928 KB |
Output is correct |
26 |
Correct |
2 ms |
928 KB |
Output is correct |
27 |
Correct |
2 ms |
928 KB |
Output is correct |
28 |
Correct |
2 ms |
928 KB |
Output is correct |
29 |
Correct |
3 ms |
928 KB |
Output is correct |
30 |
Correct |
2 ms |
928 KB |
Output is correct |
31 |
Correct |
2 ms |
928 KB |
Output is correct |
32 |
Correct |
2 ms |
928 KB |
Output is correct |
33 |
Correct |
2 ms |
928 KB |
Output is correct |
34 |
Correct |
2 ms |
928 KB |
Output is correct |
35 |
Correct |
2 ms |
928 KB |
Output is correct |
36 |
Correct |
3 ms |
928 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
928 KB |
Output is correct |
2 |
Correct |
2 ms |
928 KB |
Output is correct |
3 |
Correct |
2 ms |
928 KB |
Output is correct |
4 |
Correct |
2 ms |
928 KB |
Output is correct |
5 |
Correct |
2 ms |
928 KB |
Output is correct |
6 |
Correct |
2 ms |
928 KB |
Output is correct |
7 |
Correct |
2 ms |
928 KB |
Output is correct |
8 |
Correct |
2 ms |
928 KB |
Output is correct |
9 |
Correct |
2 ms |
928 KB |
Output is correct |
10 |
Correct |
2 ms |
928 KB |
Output is correct |
11 |
Correct |
2 ms |
928 KB |
Output is correct |
12 |
Correct |
2 ms |
928 KB |
Output is correct |
13 |
Correct |
2 ms |
932 KB |
Output is correct |
14 |
Correct |
2 ms |
936 KB |
Output is correct |
15 |
Correct |
2 ms |
940 KB |
Output is correct |
16 |
Correct |
2 ms |
944 KB |
Output is correct |
17 |
Correct |
3 ms |
1036 KB |
Output is correct |
18 |
Correct |
2 ms |
1036 KB |
Output is correct |
19 |
Correct |
2 ms |
1036 KB |
Output is correct |
20 |
Correct |
2 ms |
1036 KB |
Output is correct |
21 |
Correct |
2 ms |
1064 KB |
Output is correct |
22 |
Correct |
3 ms |
1064 KB |
Output is correct |
23 |
Correct |
2 ms |
1064 KB |
Output is correct |
24 |
Correct |
2 ms |
1064 KB |
Output is correct |
25 |
Correct |
3 ms |
1064 KB |
Output is correct |
26 |
Correct |
2 ms |
1064 KB |
Output is correct |
27 |
Correct |
2 ms |
1064 KB |
Output is correct |
28 |
Correct |
3 ms |
1064 KB |
Output is correct |
29 |
Correct |
4 ms |
1076 KB |
Output is correct |
30 |
Correct |
5 ms |
1136 KB |
Output is correct |
31 |
Correct |
7 ms |
1160 KB |
Output is correct |
32 |
Correct |
6 ms |
1164 KB |
Output is correct |
33 |
Correct |
6 ms |
1164 KB |
Output is correct |
34 |
Correct |
6 ms |
1164 KB |
Output is correct |
35 |
Correct |
6 ms |
1164 KB |
Output is correct |
36 |
Correct |
6 ms |
1164 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
1164 KB |
Output is correct |
2 |
Correct |
2 ms |
1164 KB |
Output is correct |
3 |
Correct |
2 ms |
1164 KB |
Output is correct |
4 |
Correct |
2 ms |
1164 KB |
Output is correct |
5 |
Correct |
2 ms |
1164 KB |
Output is correct |
6 |
Correct |
2 ms |
1164 KB |
Output is correct |
7 |
Correct |
2 ms |
1164 KB |
Output is correct |
8 |
Correct |
2 ms |
1164 KB |
Output is correct |
9 |
Correct |
3 ms |
1164 KB |
Output is correct |
10 |
Correct |
2 ms |
1164 KB |
Output is correct |
11 |
Correct |
3 ms |
1164 KB |
Output is correct |
12 |
Correct |
3 ms |
1164 KB |
Output is correct |
13 |
Correct |
2 ms |
1164 KB |
Output is correct |
14 |
Correct |
2 ms |
1164 KB |
Output is correct |
15 |
Correct |
2 ms |
1164 KB |
Output is correct |
16 |
Correct |
4 ms |
1252 KB |
Output is correct |
17 |
Correct |
6 ms |
1252 KB |
Output is correct |
18 |
Correct |
6 ms |
1292 KB |
Output is correct |
19 |
Correct |
8 ms |
1296 KB |
Output is correct |
20 |
Correct |
7 ms |
1296 KB |
Output is correct |
21 |
Correct |
6 ms |
1304 KB |
Output is correct |
22 |
Correct |
7 ms |
1304 KB |
Output is correct |
23 |
Correct |
8 ms |
1304 KB |
Output is correct |
24 |
Correct |
6 ms |
1304 KB |
Output is correct |
25 |
Correct |
11 ms |
1324 KB |
Output is correct |
26 |
Correct |
22 ms |
1328 KB |
Output is correct |
27 |
Correct |
27 ms |
1408 KB |
Output is correct |
28 |
Correct |
35 ms |
1464 KB |
Output is correct |
29 |
Correct |
34 ms |
1508 KB |
Output is correct |
30 |
Correct |
35 ms |
1508 KB |
Output is correct |
31 |
Correct |
39 ms |
1508 KB |
Output is correct |
32 |
Correct |
35 ms |
1508 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
1508 KB |
Output is correct |
2 |
Correct |
2 ms |
1508 KB |
Output is correct |
3 |
Correct |
2 ms |
1508 KB |
Output is correct |
4 |
Correct |
2 ms |
1508 KB |
Output is correct |
5 |
Correct |
2 ms |
1508 KB |
Output is correct |
6 |
Correct |
2 ms |
1508 KB |
Output is correct |
7 |
Correct |
2 ms |
1508 KB |
Output is correct |
8 |
Correct |
2 ms |
1508 KB |
Output is correct |
9 |
Correct |
2 ms |
1508 KB |
Output is correct |
10 |
Correct |
2 ms |
1508 KB |
Output is correct |
11 |
Correct |
2 ms |
1508 KB |
Output is correct |
12 |
Correct |
2 ms |
1508 KB |
Output is correct |
13 |
Correct |
2 ms |
1508 KB |
Output is correct |
14 |
Correct |
2 ms |
1508 KB |
Output is correct |
15 |
Correct |
2 ms |
1508 KB |
Output is correct |
16 |
Correct |
2 ms |
1508 KB |
Output is correct |
17 |
Correct |
2 ms |
1508 KB |
Output is correct |
18 |
Correct |
2 ms |
1508 KB |
Output is correct |
19 |
Correct |
2 ms |
1508 KB |
Output is correct |
20 |
Correct |
2 ms |
1508 KB |
Output is correct |
21 |
Correct |
2 ms |
1508 KB |
Output is correct |
22 |
Correct |
2 ms |
1508 KB |
Output is correct |
23 |
Correct |
2 ms |
1508 KB |
Output is correct |
24 |
Correct |
2 ms |
1508 KB |
Output is correct |
25 |
Correct |
2 ms |
1508 KB |
Output is correct |
26 |
Correct |
2 ms |
1508 KB |
Output is correct |
27 |
Correct |
2 ms |
1508 KB |
Output is correct |
28 |
Correct |
2 ms |
1508 KB |
Output is correct |
29 |
Correct |
2 ms |
1508 KB |
Output is correct |
30 |
Correct |
3 ms |
1508 KB |
Output is correct |
31 |
Correct |
2 ms |
1508 KB |
Output is correct |
32 |
Correct |
2 ms |
1508 KB |
Output is correct |
33 |
Correct |
2 ms |
1508 KB |
Output is correct |
34 |
Correct |
2 ms |
1508 KB |
Output is correct |
35 |
Correct |
2 ms |
1508 KB |
Output is correct |
36 |
Correct |
2 ms |
1568 KB |
Output is correct |
37 |
Correct |
2 ms |
1568 KB |
Output is correct |
38 |
Correct |
2 ms |
1568 KB |
Output is correct |
39 |
Correct |
4 ms |
1568 KB |
Output is correct |
40 |
Correct |
4 ms |
1568 KB |
Output is correct |
41 |
Correct |
6 ms |
1568 KB |
Output is correct |
42 |
Correct |
6 ms |
1568 KB |
Output is correct |
43 |
Correct |
6 ms |
1568 KB |
Output is correct |
44 |
Correct |
7 ms |
1568 KB |
Output is correct |
45 |
Correct |
6 ms |
1568 KB |
Output is correct |
46 |
Correct |
6 ms |
1576 KB |
Output is correct |
47 |
Correct |
6 ms |
1580 KB |
Output is correct |
48 |
Correct |
13 ms |
1584 KB |
Output is correct |
49 |
Correct |
17 ms |
1592 KB |
Output is correct |
50 |
Correct |
26 ms |
1592 KB |
Output is correct |
51 |
Correct |
35 ms |
1596 KB |
Output is correct |
52 |
Correct |
36 ms |
1692 KB |
Output is correct |
53 |
Correct |
47 ms |
1692 KB |
Output is correct |
54 |
Correct |
35 ms |
1692 KB |
Output is correct |
55 |
Correct |
35 ms |
1708 KB |
Output is correct |
56 |
Correct |
5 ms |
1708 KB |
Output is correct |
57 |
Correct |
17 ms |
1748 KB |
Output is correct |
58 |
Correct |
25 ms |
1748 KB |
Output is correct |
59 |
Correct |
23 ms |
1748 KB |
Output is correct |
60 |
Correct |
26 ms |
1748 KB |
Output is correct |
61 |
Correct |
31 ms |
1748 KB |
Output is correct |
62 |
Correct |
25 ms |
1788 KB |
Output is correct |
63 |
Correct |
25 ms |
1788 KB |
Output is correct |
64 |
Correct |
27 ms |
1788 KB |
Output is correct |
65 |
Correct |
5 ms |
1788 KB |
Output is correct |
66 |
Correct |
11 ms |
1788 KB |
Output is correct |
67 |
Correct |
13 ms |
1788 KB |
Output is correct |
68 |
Correct |
19 ms |
1788 KB |
Output is correct |
69 |
Correct |
28 ms |
1788 KB |
Output is correct |
70 |
Correct |
31 ms |
1788 KB |
Output is correct |
71 |
Correct |
28 ms |
1788 KB |
Output is correct |
72 |
Correct |
25 ms |
1788 KB |
Output is correct |
73 |
Correct |
26 ms |
1788 KB |
Output is correct |
74 |
Correct |
30 ms |
1824 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
1824 KB |
Output is correct |
2 |
Correct |
2 ms |
1824 KB |
Output is correct |
3 |
Correct |
2 ms |
1824 KB |
Output is correct |
4 |
Correct |
2 ms |
1824 KB |
Output is correct |
5 |
Correct |
2 ms |
1824 KB |
Output is correct |
6 |
Correct |
2 ms |
1824 KB |
Output is correct |
7 |
Correct |
2 ms |
1824 KB |
Output is correct |
8 |
Correct |
2 ms |
1824 KB |
Output is correct |
9 |
Correct |
2 ms |
1824 KB |
Output is correct |
10 |
Correct |
2 ms |
1824 KB |
Output is correct |
11 |
Correct |
2 ms |
1824 KB |
Output is correct |
12 |
Correct |
2 ms |
1824 KB |
Output is correct |
13 |
Correct |
2 ms |
1824 KB |
Output is correct |
14 |
Correct |
2 ms |
1824 KB |
Output is correct |
15 |
Correct |
2 ms |
1824 KB |
Output is correct |
16 |
Correct |
3 ms |
1824 KB |
Output is correct |
17 |
Correct |
3 ms |
1828 KB |
Output is correct |
18 |
Correct |
2 ms |
1828 KB |
Output is correct |
19 |
Correct |
2 ms |
1828 KB |
Output is correct |
20 |
Correct |
2 ms |
1828 KB |
Output is correct |
21 |
Correct |
2 ms |
1836 KB |
Output is correct |
22 |
Correct |
2 ms |
1836 KB |
Output is correct |
23 |
Correct |
2 ms |
1840 KB |
Output is correct |
24 |
Correct |
2 ms |
1844 KB |
Output is correct |
25 |
Correct |
3 ms |
1848 KB |
Output is correct |
26 |
Correct |
4 ms |
1864 KB |
Output is correct |
27 |
Correct |
5 ms |
1864 KB |
Output is correct |
28 |
Correct |
6 ms |
1988 KB |
Output is correct |
29 |
Correct |
6 ms |
2024 KB |
Output is correct |
30 |
Correct |
6 ms |
2024 KB |
Output is correct |
31 |
Correct |
6 ms |
2024 KB |
Output is correct |
32 |
Correct |
6 ms |
2024 KB |
Output is correct |
33 |
Correct |
6 ms |
2024 KB |
Output is correct |
34 |
Correct |
6 ms |
2024 KB |
Output is correct |
35 |
Correct |
15 ms |
2048 KB |
Output is correct |
36 |
Correct |
17 ms |
2104 KB |
Output is correct |
37 |
Correct |
34 ms |
2104 KB |
Output is correct |
38 |
Correct |
36 ms |
2152 KB |
Output is correct |
39 |
Correct |
43 ms |
2152 KB |
Output is correct |
40 |
Correct |
45 ms |
2152 KB |
Output is correct |
41 |
Correct |
35 ms |
2152 KB |
Output is correct |
42 |
Correct |
35 ms |
2152 KB |
Output is correct |
43 |
Correct |
5 ms |
2152 KB |
Output is correct |
44 |
Correct |
12 ms |
2152 KB |
Output is correct |
45 |
Correct |
18 ms |
2152 KB |
Output is correct |
46 |
Correct |
23 ms |
2152 KB |
Output is correct |
47 |
Correct |
23 ms |
2264 KB |
Output is correct |
48 |
Correct |
23 ms |
2264 KB |
Output is correct |
49 |
Correct |
26 ms |
2264 KB |
Output is correct |
50 |
Correct |
27 ms |
2264 KB |
Output is correct |
51 |
Correct |
2 ms |
2264 KB |
Output is correct |
52 |
Correct |
13 ms |
2264 KB |
Output is correct |
53 |
Correct |
22 ms |
2264 KB |
Output is correct |
54 |
Correct |
40 ms |
2264 KB |
Output is correct |
55 |
Correct |
37 ms |
2264 KB |
Output is correct |
56 |
Correct |
123 ms |
2264 KB |
Output is correct |
57 |
Correct |
122 ms |
2264 KB |
Output is correct |
58 |
Correct |
117 ms |
2264 KB |
Output is correct |
59 |
Correct |
126 ms |
2264 KB |
Output is correct |
60 |
Correct |
136 ms |
2264 KB |
Output is correct |
61 |
Correct |
2 ms |
2264 KB |
Output is correct |
62 |
Correct |
20 ms |
2264 KB |
Output is correct |
63 |
Correct |
44 ms |
2264 KB |
Output is correct |
64 |
Correct |
33 ms |
2264 KB |
Output is correct |
65 |
Correct |
67 ms |
2264 KB |
Output is correct |
66 |
Correct |
91 ms |
2284 KB |
Output is correct |
67 |
Correct |
120 ms |
2284 KB |
Output is correct |
68 |
Correct |
122 ms |
2284 KB |
Output is correct |
69 |
Correct |
120 ms |
2448 KB |
Output is correct |