#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define _sz(e) (int)e.size()
#define FAST ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("sse,sse4,avx,avx2")
const ll maxn = 2e3 + 4 , N = 2e6 + 4 , mod = 1e9 + 7 , INF = 1e9 + 4 , lg = 43;
ll n , A , B , a[maxn] , ps[maxn] , mn[maxn] , ans = (1ll << lg) - 1;
bool dp[maxn][maxn];
bool check_sub(ll x) {
fill(mn , mn + maxn , INF);
memset(dp , 0 , sizeof dp);
mn[0] = 0 , dp[0][0] = 1;
if(n <= 200) {
for (int i = 1; i <= n; ++i) {
for (int j = 1; j <= i; ++j) {
for (int t = 1; t <= i; ++t) {
ll sum = ps[i] - ps[i - t];
if((sum | x) != x) continue;
dp[i][j] |= dp[i - t][j - 1];
}
}
}
bool res = 0;
for (int i = A; i <= B; ++i) {
res |= dp[n][i];
}
return res;
}
else {
for (int i = 1; i <= n; ++i) {
for (int t = 1; t <= i; ++t) {
ll sum = ps[i] - ps[i - t];
if((sum | x) != x) continue;
mn[i] = min(mn[i] , mn[i - t] + 1);
}
}
return (mn[n] <= B);
}
}
int main() {
FAST;
cin >> n >> A >> B;
for (int i = 0; i < n; ++i) {
cin >> a[i];
ps[i + 1] = ps[i] + a[i];
}
for (int i = lg - 1; i >= 0; --i) {
if(check_sub(ans - (1ll << i))) {
ans -= (1ll << i);
}
}
cout << ans << '\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
4172 KB |
Output is correct |
2 |
Correct |
9 ms |
4264 KB |
Output is correct |
3 |
Correct |
9 ms |
4172 KB |
Output is correct |
4 |
Correct |
9 ms |
4156 KB |
Output is correct |
5 |
Correct |
9 ms |
4172 KB |
Output is correct |
6 |
Correct |
9 ms |
4260 KB |
Output is correct |
7 |
Correct |
9 ms |
4172 KB |
Output is correct |
8 |
Correct |
11 ms |
4172 KB |
Output is correct |
9 |
Correct |
9 ms |
4264 KB |
Output is correct |
10 |
Correct |
10 ms |
4172 KB |
Output is correct |
11 |
Correct |
9 ms |
4264 KB |
Output is correct |
12 |
Correct |
11 ms |
4172 KB |
Output is correct |
13 |
Correct |
10 ms |
4172 KB |
Output is correct |
14 |
Correct |
10 ms |
4172 KB |
Output is correct |
15 |
Correct |
11 ms |
4300 KB |
Output is correct |
16 |
Correct |
10 ms |
4264 KB |
Output is correct |
17 |
Correct |
11 ms |
4268 KB |
Output is correct |
18 |
Correct |
9 ms |
4264 KB |
Output is correct |
19 |
Correct |
9 ms |
4172 KB |
Output is correct |
20 |
Correct |
9 ms |
4164 KB |
Output is correct |
21 |
Correct |
9 ms |
4260 KB |
Output is correct |
22 |
Correct |
9 ms |
4172 KB |
Output is correct |
23 |
Correct |
9 ms |
4160 KB |
Output is correct |
24 |
Correct |
9 ms |
4260 KB |
Output is correct |
25 |
Correct |
10 ms |
4172 KB |
Output is correct |
26 |
Correct |
11 ms |
4160 KB |
Output is correct |
27 |
Correct |
9 ms |
4264 KB |
Output is correct |
28 |
Correct |
8 ms |
4172 KB |
Output is correct |
29 |
Correct |
10 ms |
4264 KB |
Output is correct |
30 |
Correct |
9 ms |
4268 KB |
Output is correct |
31 |
Correct |
9 ms |
4260 KB |
Output is correct |
32 |
Correct |
9 ms |
4172 KB |
Output is correct |
33 |
Correct |
9 ms |
4172 KB |
Output is correct |
34 |
Correct |
9 ms |
4172 KB |
Output is correct |
35 |
Correct |
9 ms |
4172 KB |
Output is correct |
36 |
Correct |
9 ms |
4172 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
10 ms |
4172 KB |
Output is correct |
2 |
Correct |
9 ms |
4268 KB |
Output is correct |
3 |
Correct |
9 ms |
4264 KB |
Output is correct |
4 |
Correct |
9 ms |
4260 KB |
Output is correct |
5 |
Correct |
9 ms |
4172 KB |
Output is correct |
6 |
Correct |
9 ms |
4260 KB |
Output is correct |
7 |
Correct |
9 ms |
4172 KB |
Output is correct |
8 |
Correct |
9 ms |
4172 KB |
Output is correct |
9 |
Correct |
9 ms |
4156 KB |
Output is correct |
10 |
Correct |
9 ms |
4172 KB |
Output is correct |
11 |
Correct |
9 ms |
4172 KB |
Output is correct |
12 |
Correct |
9 ms |
4172 KB |
Output is correct |
13 |
Correct |
11 ms |
4300 KB |
Output is correct |
14 |
Correct |
9 ms |
4172 KB |
Output is correct |
15 |
Correct |
8 ms |
4172 KB |
Output is correct |
16 |
Correct |
9 ms |
4200 KB |
Output is correct |
17 |
Correct |
9 ms |
4172 KB |
Output is correct |
18 |
Correct |
8 ms |
4172 KB |
Output is correct |
19 |
Correct |
9 ms |
4172 KB |
Output is correct |
20 |
Correct |
9 ms |
4172 KB |
Output is correct |
21 |
Correct |
9 ms |
4264 KB |
Output is correct |
22 |
Correct |
9 ms |
4172 KB |
Output is correct |
23 |
Correct |
9 ms |
4148 KB |
Output is correct |
24 |
Correct |
11 ms |
4264 KB |
Output is correct |
25 |
Correct |
12 ms |
4156 KB |
Output is correct |
26 |
Correct |
10 ms |
4264 KB |
Output is correct |
27 |
Correct |
9 ms |
4264 KB |
Output is correct |
28 |
Correct |
9 ms |
4172 KB |
Output is correct |
29 |
Correct |
11 ms |
4268 KB |
Output is correct |
30 |
Correct |
11 ms |
4172 KB |
Output is correct |
31 |
Correct |
14 ms |
4268 KB |
Output is correct |
32 |
Correct |
13 ms |
4272 KB |
Output is correct |
33 |
Correct |
12 ms |
4172 KB |
Output is correct |
34 |
Correct |
13 ms |
4160 KB |
Output is correct |
35 |
Correct |
13 ms |
4156 KB |
Output is correct |
36 |
Correct |
13 ms |
4172 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
4260 KB |
Output is correct |
2 |
Correct |
11 ms |
4172 KB |
Output is correct |
3 |
Correct |
9 ms |
4156 KB |
Output is correct |
4 |
Correct |
9 ms |
4264 KB |
Output is correct |
5 |
Correct |
13 ms |
4260 KB |
Output is correct |
6 |
Correct |
9 ms |
4268 KB |
Output is correct |
7 |
Correct |
10 ms |
4172 KB |
Output is correct |
8 |
Correct |
11 ms |
4260 KB |
Output is correct |
9 |
Correct |
10 ms |
4172 KB |
Output is correct |
10 |
Correct |
11 ms |
4172 KB |
Output is correct |
11 |
Correct |
9 ms |
4172 KB |
Output is correct |
12 |
Correct |
9 ms |
4268 KB |
Output is correct |
13 |
Correct |
9 ms |
4268 KB |
Output is correct |
14 |
Correct |
9 ms |
4156 KB |
Output is correct |
15 |
Correct |
10 ms |
4172 KB |
Output is correct |
16 |
Correct |
11 ms |
4264 KB |
Output is correct |
17 |
Correct |
11 ms |
4264 KB |
Output is correct |
18 |
Correct |
13 ms |
4260 KB |
Output is correct |
19 |
Correct |
13 ms |
4260 KB |
Output is correct |
20 |
Correct |
16 ms |
4264 KB |
Output is correct |
21 |
Correct |
13 ms |
4264 KB |
Output is correct |
22 |
Correct |
15 ms |
4172 KB |
Output is correct |
23 |
Correct |
12 ms |
4264 KB |
Output is correct |
24 |
Correct |
13 ms |
4172 KB |
Output is correct |
25 |
Correct |
17 ms |
4260 KB |
Output is correct |
26 |
Correct |
25 ms |
4164 KB |
Output is correct |
27 |
Correct |
33 ms |
4260 KB |
Output is correct |
28 |
Correct |
41 ms |
4172 KB |
Output is correct |
29 |
Correct |
42 ms |
4172 KB |
Output is correct |
30 |
Correct |
41 ms |
4260 KB |
Output is correct |
31 |
Correct |
46 ms |
4172 KB |
Output is correct |
32 |
Correct |
45 ms |
4172 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
4264 KB |
Output is correct |
2 |
Correct |
9 ms |
4172 KB |
Output is correct |
3 |
Correct |
9 ms |
4260 KB |
Output is correct |
4 |
Correct |
9 ms |
4172 KB |
Output is correct |
5 |
Correct |
9 ms |
4260 KB |
Output is correct |
6 |
Correct |
9 ms |
4172 KB |
Output is correct |
7 |
Correct |
9 ms |
4172 KB |
Output is correct |
8 |
Correct |
11 ms |
4260 KB |
Output is correct |
9 |
Correct |
9 ms |
4172 KB |
Output is correct |
10 |
Correct |
9 ms |
4156 KB |
Output is correct |
11 |
Correct |
9 ms |
4172 KB |
Output is correct |
12 |
Correct |
9 ms |
4264 KB |
Output is correct |
13 |
Correct |
9 ms |
4172 KB |
Output is correct |
14 |
Correct |
9 ms |
4172 KB |
Output is correct |
15 |
Correct |
9 ms |
4172 KB |
Output is correct |
16 |
Correct |
9 ms |
4172 KB |
Output is correct |
17 |
Correct |
9 ms |
4168 KB |
Output is correct |
18 |
Correct |
10 ms |
4172 KB |
Output is correct |
19 |
Correct |
10 ms |
4172 KB |
Output is correct |
20 |
Correct |
10 ms |
4172 KB |
Output is correct |
21 |
Correct |
9 ms |
4172 KB |
Output is correct |
22 |
Correct |
10 ms |
4184 KB |
Output is correct |
23 |
Correct |
10 ms |
4172 KB |
Output is correct |
24 |
Correct |
9 ms |
4172 KB |
Output is correct |
25 |
Correct |
11 ms |
4264 KB |
Output is correct |
26 |
Correct |
11 ms |
4172 KB |
Output is correct |
27 |
Correct |
10 ms |
4172 KB |
Output is correct |
28 |
Correct |
9 ms |
4268 KB |
Output is correct |
29 |
Correct |
9 ms |
4160 KB |
Output is correct |
30 |
Correct |
9 ms |
4300 KB |
Output is correct |
31 |
Correct |
9 ms |
4172 KB |
Output is correct |
32 |
Correct |
9 ms |
4148 KB |
Output is correct |
33 |
Correct |
9 ms |
4172 KB |
Output is correct |
34 |
Correct |
10 ms |
4172 KB |
Output is correct |
35 |
Correct |
10 ms |
4172 KB |
Output is correct |
36 |
Correct |
9 ms |
4172 KB |
Output is correct |
37 |
Correct |
10 ms |
4172 KB |
Output is correct |
38 |
Correct |
12 ms |
4264 KB |
Output is correct |
39 |
Correct |
12 ms |
4268 KB |
Output is correct |
40 |
Correct |
13 ms |
4168 KB |
Output is correct |
41 |
Correct |
14 ms |
4268 KB |
Output is correct |
42 |
Correct |
13 ms |
4260 KB |
Output is correct |
43 |
Correct |
14 ms |
4264 KB |
Output is correct |
44 |
Correct |
13 ms |
4260 KB |
Output is correct |
45 |
Correct |
18 ms |
4264 KB |
Output is correct |
46 |
Correct |
16 ms |
4268 KB |
Output is correct |
47 |
Correct |
16 ms |
4264 KB |
Output is correct |
48 |
Correct |
28 ms |
4172 KB |
Output is correct |
49 |
Correct |
24 ms |
4172 KB |
Output is correct |
50 |
Correct |
38 ms |
4240 KB |
Output is correct |
51 |
Correct |
43 ms |
4172 KB |
Output is correct |
52 |
Correct |
54 ms |
4172 KB |
Output is correct |
53 |
Correct |
40 ms |
4292 KB |
Output is correct |
54 |
Correct |
42 ms |
4172 KB |
Output is correct |
55 |
Correct |
43 ms |
4172 KB |
Output is correct |
56 |
Correct |
12 ms |
4172 KB |
Output is correct |
57 |
Correct |
19 ms |
4268 KB |
Output is correct |
58 |
Correct |
26 ms |
4172 KB |
Output is correct |
59 |
Correct |
29 ms |
4172 KB |
Output is correct |
60 |
Correct |
27 ms |
4172 KB |
Output is correct |
61 |
Correct |
30 ms |
4172 KB |
Output is correct |
62 |
Correct |
31 ms |
4260 KB |
Output is correct |
63 |
Correct |
29 ms |
4172 KB |
Output is correct |
64 |
Correct |
33 ms |
4244 KB |
Output is correct |
65 |
Correct |
14 ms |
4172 KB |
Output is correct |
66 |
Correct |
18 ms |
4172 KB |
Output is correct |
67 |
Correct |
21 ms |
4172 KB |
Output is correct |
68 |
Correct |
24 ms |
4264 KB |
Output is correct |
69 |
Correct |
28 ms |
4172 KB |
Output is correct |
70 |
Correct |
28 ms |
4144 KB |
Output is correct |
71 |
Correct |
28 ms |
4172 KB |
Output is correct |
72 |
Correct |
30 ms |
4172 KB |
Output is correct |
73 |
Correct |
35 ms |
4172 KB |
Output is correct |
74 |
Correct |
30 ms |
4260 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
4192 KB |
Output is correct |
2 |
Correct |
9 ms |
4260 KB |
Output is correct |
3 |
Correct |
9 ms |
4172 KB |
Output is correct |
4 |
Correct |
9 ms |
4172 KB |
Output is correct |
5 |
Correct |
11 ms |
4260 KB |
Output is correct |
6 |
Correct |
9 ms |
4172 KB |
Output is correct |
7 |
Correct |
12 ms |
4264 KB |
Output is correct |
8 |
Correct |
10 ms |
4260 KB |
Output is correct |
9 |
Correct |
9 ms |
4172 KB |
Output is correct |
10 |
Correct |
9 ms |
4224 KB |
Output is correct |
11 |
Correct |
9 ms |
4160 KB |
Output is correct |
12 |
Correct |
9 ms |
4172 KB |
Output is correct |
13 |
Correct |
9 ms |
4172 KB |
Output is correct |
14 |
Correct |
8 ms |
4172 KB |
Output is correct |
15 |
Correct |
9 ms |
4172 KB |
Output is correct |
16 |
Correct |
8 ms |
4172 KB |
Output is correct |
17 |
Correct |
9 ms |
4264 KB |
Output is correct |
18 |
Correct |
9 ms |
4260 KB |
Output is correct |
19 |
Correct |
11 ms |
4172 KB |
Output is correct |
20 |
Correct |
12 ms |
4172 KB |
Output is correct |
21 |
Correct |
10 ms |
4260 KB |
Output is correct |
22 |
Correct |
11 ms |
4260 KB |
Output is correct |
23 |
Correct |
10 ms |
4152 KB |
Output is correct |
24 |
Correct |
10 ms |
4264 KB |
Output is correct |
25 |
Correct |
9 ms |
4268 KB |
Output is correct |
26 |
Correct |
11 ms |
4172 KB |
Output is correct |
27 |
Correct |
10 ms |
4172 KB |
Output is correct |
28 |
Correct |
12 ms |
4260 KB |
Output is correct |
29 |
Correct |
14 ms |
4268 KB |
Output is correct |
30 |
Correct |
13 ms |
4264 KB |
Output is correct |
31 |
Correct |
13 ms |
4260 KB |
Output is correct |
32 |
Correct |
16 ms |
4172 KB |
Output is correct |
33 |
Correct |
12 ms |
4264 KB |
Output is correct |
34 |
Correct |
12 ms |
4264 KB |
Output is correct |
35 |
Correct |
21 ms |
4172 KB |
Output is correct |
36 |
Correct |
24 ms |
4172 KB |
Output is correct |
37 |
Correct |
34 ms |
4172 KB |
Output is correct |
38 |
Correct |
43 ms |
4172 KB |
Output is correct |
39 |
Correct |
41 ms |
4292 KB |
Output is correct |
40 |
Correct |
41 ms |
4240 KB |
Output is correct |
41 |
Correct |
40 ms |
4172 KB |
Output is correct |
42 |
Correct |
40 ms |
4172 KB |
Output is correct |
43 |
Correct |
14 ms |
4160 KB |
Output is correct |
44 |
Correct |
18 ms |
4260 KB |
Output is correct |
45 |
Correct |
23 ms |
4160 KB |
Output is correct |
46 |
Correct |
29 ms |
4240 KB |
Output is correct |
47 |
Correct |
30 ms |
4172 KB |
Output is correct |
48 |
Correct |
28 ms |
4172 KB |
Output is correct |
49 |
Correct |
39 ms |
4248 KB |
Output is correct |
50 |
Correct |
34 ms |
4172 KB |
Output is correct |
51 |
Correct |
46 ms |
4172 KB |
Output is correct |
52 |
Correct |
21 ms |
4276 KB |
Output is correct |
53 |
Correct |
26 ms |
4172 KB |
Output is correct |
54 |
Correct |
46 ms |
4172 KB |
Output is correct |
55 |
Correct |
45 ms |
4172 KB |
Output is correct |
56 |
Correct |
136 ms |
4300 KB |
Output is correct |
57 |
Correct |
130 ms |
4300 KB |
Output is correct |
58 |
Correct |
133 ms |
4188 KB |
Output is correct |
59 |
Correct |
140 ms |
4312 KB |
Output is correct |
60 |
Correct |
135 ms |
4300 KB |
Output is correct |
61 |
Correct |
32 ms |
4172 KB |
Output is correct |
62 |
Correct |
28 ms |
4296 KB |
Output is correct |
63 |
Correct |
43 ms |
4172 KB |
Output is correct |
64 |
Correct |
42 ms |
4268 KB |
Output is correct |
65 |
Correct |
68 ms |
4300 KB |
Output is correct |
66 |
Correct |
96 ms |
4300 KB |
Output is correct |
67 |
Correct |
126 ms |
4300 KB |
Output is correct |
68 |
Correct |
131 ms |
4300 KB |
Output is correct |
69 |
Correct |
123 ms |
4300 KB |
Output is correct |