#include <bits/stdc++.h>
using namespace std;
const long long INF_LL = (1LL << 41) - 1;
bool Solve(int n, int a, int b, long long mask, const vector<int> &v) {
vector<vector<int>> dp(n + 1, vector<int>(b + 1));
dp[0][0] = 1;
for (int i = 1; i <= n; ++i) {
for (int j = 1; j <= b; ++j) {
long long sum = 0LL;
for (int k = i; k >= 1; --k) {
sum += v[k];
dp[i][j] |= dp[k - 1][j - 1] & ((sum | mask) == mask);
}
}
}
return *max_element(dp[n].begin() + a, dp[n].begin() + b + 1);
}
bool SolveA1(int n, int b, long long mask, const vector<int> &v) {
vector<int> dp(n + 1, n + 1);
dp[0] = 0;
for (int i = 1; i <= n; ++i) {
long long sum = 0LL;
for (int j = i; j >= 1; --j) {
sum += v[j];
if ((sum | mask) == mask)
dp[i] = min(dp[i], dp[j - 1] + 1);
}
}
return dp[n] <= b;
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
int n, a, b; cin >> n >> a >> b;
vector<int> v(n + 1);
for (int i = 1; i <= n; ++i)
cin >> v[i];
auto Check = [&](long long mask) {
return a == 1 ? SolveA1(n, b, mask, v) : Solve(n, a, b, mask, v);
};
long long ans = INF_LL;
for (int bit = 40; bit >= 0; --bit) {
if (Check(ans ^ (1LL << bit)))
ans ^= 1LL << bit;
}
cout << ans << endl;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
248 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
256 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
380 KB |
Output is correct |
15 |
Correct |
2 ms |
256 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
3 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
3 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
2 ms |
376 KB |
Output is correct |
30 |
Correct |
2 ms |
380 KB |
Output is correct |
31 |
Correct |
2 ms |
376 KB |
Output is correct |
32 |
Correct |
2 ms |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
2 ms |
376 KB |
Output is correct |
35 |
Correct |
2 ms |
376 KB |
Output is correct |
36 |
Correct |
2 ms |
252 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
424 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
256 KB |
Output is correct |
18 |
Correct |
2 ms |
252 KB |
Output is correct |
19 |
Correct |
2 ms |
256 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
3 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
2 ms |
376 KB |
Output is correct |
30 |
Correct |
2 ms |
376 KB |
Output is correct |
31 |
Correct |
2 ms |
376 KB |
Output is correct |
32 |
Correct |
2 ms |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
2 ms |
376 KB |
Output is correct |
35 |
Correct |
2 ms |
376 KB |
Output is correct |
36 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
3 ms |
340 KB |
Output is correct |
12 |
Correct |
2 ms |
256 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
3 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
256 KB |
Output is correct |
19 |
Correct |
2 ms |
256 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
424 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
3 ms |
376 KB |
Output is correct |
29 |
Correct |
3 ms |
376 KB |
Output is correct |
30 |
Correct |
2 ms |
256 KB |
Output is correct |
31 |
Correct |
3 ms |
376 KB |
Output is correct |
32 |
Correct |
3 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
380 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
252 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
256 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
256 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
3 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
2 ms |
376 KB |
Output is correct |
30 |
Correct |
2 ms |
376 KB |
Output is correct |
31 |
Correct |
2 ms |
376 KB |
Output is correct |
32 |
Correct |
2 ms |
348 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
2 ms |
376 KB |
Output is correct |
35 |
Correct |
2 ms |
376 KB |
Output is correct |
36 |
Correct |
2 ms |
376 KB |
Output is correct |
37 |
Correct |
2 ms |
376 KB |
Output is correct |
38 |
Correct |
2 ms |
376 KB |
Output is correct |
39 |
Correct |
2 ms |
380 KB |
Output is correct |
40 |
Correct |
2 ms |
376 KB |
Output is correct |
41 |
Correct |
2 ms |
376 KB |
Output is correct |
42 |
Correct |
2 ms |
376 KB |
Output is correct |
43 |
Correct |
2 ms |
376 KB |
Output is correct |
44 |
Correct |
2 ms |
376 KB |
Output is correct |
45 |
Correct |
2 ms |
376 KB |
Output is correct |
46 |
Correct |
2 ms |
376 KB |
Output is correct |
47 |
Correct |
2 ms |
376 KB |
Output is correct |
48 |
Correct |
2 ms |
376 KB |
Output is correct |
49 |
Correct |
3 ms |
376 KB |
Output is correct |
50 |
Correct |
3 ms |
376 KB |
Output is correct |
51 |
Correct |
3 ms |
376 KB |
Output is correct |
52 |
Correct |
3 ms |
376 KB |
Output is correct |
53 |
Correct |
3 ms |
376 KB |
Output is correct |
54 |
Correct |
3 ms |
376 KB |
Output is correct |
55 |
Correct |
3 ms |
380 KB |
Output is correct |
56 |
Correct |
2 ms |
376 KB |
Output is correct |
57 |
Correct |
2 ms |
412 KB |
Output is correct |
58 |
Correct |
2 ms |
376 KB |
Output is correct |
59 |
Correct |
2 ms |
376 KB |
Output is correct |
60 |
Correct |
2 ms |
376 KB |
Output is correct |
61 |
Correct |
3 ms |
292 KB |
Output is correct |
62 |
Correct |
2 ms |
376 KB |
Output is correct |
63 |
Correct |
3 ms |
380 KB |
Output is correct |
64 |
Correct |
32 ms |
376 KB |
Output is correct |
65 |
Correct |
5 ms |
376 KB |
Output is correct |
66 |
Correct |
4 ms |
376 KB |
Output is correct |
67 |
Correct |
8 ms |
376 KB |
Output is correct |
68 |
Correct |
21 ms |
444 KB |
Output is correct |
69 |
Correct |
42 ms |
376 KB |
Output is correct |
70 |
Correct |
42 ms |
380 KB |
Output is correct |
71 |
Correct |
3 ms |
376 KB |
Output is correct |
72 |
Correct |
44 ms |
456 KB |
Output is correct |
73 |
Correct |
32 ms |
504 KB |
Output is correct |
74 |
Correct |
30 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
348 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
380 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
420 KB |
Output is correct |
13 |
Correct |
2 ms |
256 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
256 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
256 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
256 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
2 ms |
376 KB |
Output is correct |
30 |
Correct |
2 ms |
256 KB |
Output is correct |
31 |
Correct |
2 ms |
376 KB |
Output is correct |
32 |
Correct |
2 ms |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
2 ms |
380 KB |
Output is correct |
35 |
Correct |
2 ms |
376 KB |
Output is correct |
36 |
Correct |
2 ms |
256 KB |
Output is correct |
37 |
Correct |
2 ms |
376 KB |
Output is correct |
38 |
Correct |
2 ms |
376 KB |
Output is correct |
39 |
Correct |
3 ms |
256 KB |
Output is correct |
40 |
Correct |
3 ms |
376 KB |
Output is correct |
41 |
Correct |
2 ms |
376 KB |
Output is correct |
42 |
Correct |
2 ms |
256 KB |
Output is correct |
43 |
Correct |
2 ms |
256 KB |
Output is correct |
44 |
Correct |
2 ms |
376 KB |
Output is correct |
45 |
Correct |
2 ms |
256 KB |
Output is correct |
46 |
Correct |
2 ms |
376 KB |
Output is correct |
47 |
Correct |
2 ms |
256 KB |
Output is correct |
48 |
Correct |
3 ms |
376 KB |
Output is correct |
49 |
Correct |
2 ms |
376 KB |
Output is correct |
50 |
Correct |
2 ms |
376 KB |
Output is correct |
51 |
Correct |
2 ms |
256 KB |
Output is correct |
52 |
Correct |
10 ms |
376 KB |
Output is correct |
53 |
Correct |
16 ms |
376 KB |
Output is correct |
54 |
Correct |
28 ms |
376 KB |
Output is correct |
55 |
Correct |
27 ms |
384 KB |
Output is correct |
56 |
Correct |
91 ms |
376 KB |
Output is correct |
57 |
Correct |
89 ms |
504 KB |
Output is correct |
58 |
Correct |
84 ms |
376 KB |
Output is correct |
59 |
Correct |
84 ms |
376 KB |
Output is correct |
60 |
Correct |
92 ms |
504 KB |
Output is correct |
61 |
Correct |
2 ms |
376 KB |
Output is correct |
62 |
Correct |
16 ms |
380 KB |
Output is correct |
63 |
Correct |
28 ms |
384 KB |
Output is correct |
64 |
Correct |
25 ms |
376 KB |
Output is correct |
65 |
Correct |
46 ms |
392 KB |
Output is correct |
66 |
Correct |
68 ms |
388 KB |
Output is correct |
67 |
Correct |
89 ms |
376 KB |
Output is correct |
68 |
Correct |
94 ms |
476 KB |
Output is correct |
69 |
Correct |
87 ms |
376 KB |
Output is correct |