#include <iostream>
#include <string>
#include <vector>
#include <queue>
#include <deque>
#include <stack>
#include <set>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <cstring>
#include <cmath>
#include <cstdlib>
#include <algorithm>
#include <random>
#include <iomanip>
#include <functional>
#include <cassert>
using namespace std;
typedef long long ll;
int main() {
ios_base::sync_with_stdio(false); cin.tie(0);
#ifdef LOCAL
freopen("input.txt", "r", stdin);
#endif
int n, a, b;
cin >> n >> a >> b;
vector <int> v(n);
for (int i = 0; i < n; ++i) cin >> v[i];
vector <ll> pref(n + 1);
for (int i = 0; i < n; ++i) {
pref[i + 1] = pref[i] + v[i];
}
auto get = [&] (int l, int r) {
return pref[r + 1] - pref[l];
};
if (n <= 200) {
auto can = [&] (ll mask) {
vector <vector <int>> dp(n + 1, vector <int> (n + 1));
dp[0][0] = 1;
for (int i = 0; i < n; ++i) {
for (int j = 0; j < n; ++j) {
for (int k = i; k < n; ++k) {
ll sm = get(i, k);
if ((sm & mask) == 0) {
dp[k + 1][j + 1] |= dp[i][j];
}
}
}
}
bool ok = false;
for (int x = a; x <= b; ++x) {
ok |= dp[n][x];
}
return ok;
};
ll mask = 0;
ll ans = 0;
for (int b = 60; b >= 0; --b) {
if (can(mask + (1LL << b))) {
mask += (1LL << b);
} else {
ans += (1LL << b);
}
}
cout << ans << '\n';
} else {
auto can = [&] (ll mask) {
vector <int> dp(n + 1, (int)1e9);
dp[0] = 0;
for (int i = 0; i < n; ++i) {
for (int j = i; j < n; ++j) {
ll sm = get(i, j);
if ((sm & mask) == 0) {
dp[j + 1] = min(dp[j + 1], dp[i] + 1);
}
}
}
return (dp[n] <= b);
};
ll mask = 0;
ll ans = 0;
for (int b = 60; b >= 0; --b) {
if (can(mask + (1LL << b))) {
mask += (1LL << b);
} else {
ans += (1LL << b);
}
}
cout << ans << '\n';
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
360 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
15 |
Correct |
0 ms |
384 KB |
Output is correct |
16 |
Correct |
0 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
512 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
384 KB |
Output is correct |
21 |
Correct |
1 ms |
384 KB |
Output is correct |
22 |
Correct |
1 ms |
384 KB |
Output is correct |
23 |
Correct |
1 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
384 KB |
Output is correct |
26 |
Correct |
1 ms |
384 KB |
Output is correct |
27 |
Correct |
1 ms |
384 KB |
Output is correct |
28 |
Correct |
0 ms |
384 KB |
Output is correct |
29 |
Correct |
0 ms |
384 KB |
Output is correct |
30 |
Correct |
1 ms |
384 KB |
Output is correct |
31 |
Correct |
1 ms |
384 KB |
Output is correct |
32 |
Correct |
1 ms |
384 KB |
Output is correct |
33 |
Correct |
1 ms |
384 KB |
Output is correct |
34 |
Correct |
1 ms |
384 KB |
Output is correct |
35 |
Correct |
1 ms |
384 KB |
Output is correct |
36 |
Correct |
1 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
15 |
Correct |
0 ms |
384 KB |
Output is correct |
16 |
Correct |
0 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
384 KB |
Output is correct |
21 |
Correct |
1 ms |
384 KB |
Output is correct |
22 |
Correct |
1 ms |
384 KB |
Output is correct |
23 |
Correct |
1 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
384 KB |
Output is correct |
26 |
Correct |
1 ms |
384 KB |
Output is correct |
27 |
Correct |
1 ms |
384 KB |
Output is correct |
28 |
Correct |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
5 ms |
360 KB |
Output is correct |
30 |
Correct |
8 ms |
384 KB |
Output is correct |
31 |
Correct |
13 ms |
384 KB |
Output is correct |
32 |
Correct |
12 ms |
384 KB |
Output is correct |
33 |
Correct |
13 ms |
384 KB |
Output is correct |
34 |
Correct |
13 ms |
384 KB |
Output is correct |
35 |
Correct |
13 ms |
384 KB |
Output is correct |
36 |
Correct |
13 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
6 ms |
384 KB |
Output is correct |
17 |
Correct |
8 ms |
384 KB |
Output is correct |
18 |
Correct |
12 ms |
384 KB |
Output is correct |
19 |
Correct |
12 ms |
384 KB |
Output is correct |
20 |
Correct |
13 ms |
384 KB |
Output is correct |
21 |
Correct |
13 ms |
384 KB |
Output is correct |
22 |
Correct |
13 ms |
384 KB |
Output is correct |
23 |
Correct |
13 ms |
384 KB |
Output is correct |
24 |
Correct |
13 ms |
384 KB |
Output is correct |
25 |
Correct |
27 ms |
384 KB |
Output is correct |
26 |
Correct |
44 ms |
404 KB |
Output is correct |
27 |
Correct |
71 ms |
384 KB |
Output is correct |
28 |
Correct |
90 ms |
384 KB |
Output is correct |
29 |
Correct |
93 ms |
384 KB |
Output is correct |
30 |
Correct |
92 ms |
384 KB |
Output is correct |
31 |
Correct |
67 ms |
384 KB |
Output is correct |
32 |
Correct |
92 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
15 |
Correct |
0 ms |
384 KB |
Output is correct |
16 |
Correct |
0 ms |
384 KB |
Output is correct |
17 |
Correct |
0 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
384 KB |
Output is correct |
21 |
Correct |
1 ms |
324 KB |
Output is correct |
22 |
Correct |
1 ms |
384 KB |
Output is correct |
23 |
Correct |
1 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
384 KB |
Output is correct |
26 |
Correct |
1 ms |
384 KB |
Output is correct |
27 |
Correct |
1 ms |
384 KB |
Output is correct |
28 |
Correct |
1 ms |
384 KB |
Output is correct |
29 |
Correct |
1 ms |
384 KB |
Output is correct |
30 |
Correct |
1 ms |
384 KB |
Output is correct |
31 |
Correct |
1 ms |
384 KB |
Output is correct |
32 |
Correct |
1 ms |
384 KB |
Output is correct |
33 |
Correct |
1 ms |
384 KB |
Output is correct |
34 |
Correct |
1 ms |
384 KB |
Output is correct |
35 |
Correct |
2 ms |
384 KB |
Output is correct |
36 |
Correct |
1 ms |
384 KB |
Output is correct |
37 |
Correct |
1 ms |
384 KB |
Output is correct |
38 |
Correct |
2 ms |
384 KB |
Output is correct |
39 |
Correct |
6 ms |
384 KB |
Output is correct |
40 |
Correct |
8 ms |
384 KB |
Output is correct |
41 |
Correct |
12 ms |
384 KB |
Output is correct |
42 |
Correct |
10 ms |
384 KB |
Output is correct |
43 |
Correct |
16 ms |
384 KB |
Output is correct |
44 |
Correct |
12 ms |
384 KB |
Output is correct |
45 |
Correct |
12 ms |
384 KB |
Output is correct |
46 |
Correct |
12 ms |
512 KB |
Output is correct |
47 |
Correct |
13 ms |
384 KB |
Output is correct |
48 |
Correct |
26 ms |
384 KB |
Output is correct |
49 |
Correct |
45 ms |
404 KB |
Output is correct |
50 |
Correct |
72 ms |
504 KB |
Output is correct |
51 |
Correct |
93 ms |
420 KB |
Output is correct |
52 |
Correct |
91 ms |
424 KB |
Output is correct |
53 |
Correct |
93 ms |
384 KB |
Output is correct |
54 |
Correct |
88 ms |
424 KB |
Output is correct |
55 |
Correct |
87 ms |
384 KB |
Output is correct |
56 |
Correct |
14 ms |
384 KB |
Output is correct |
57 |
Correct |
32 ms |
384 KB |
Output is correct |
58 |
Correct |
50 ms |
384 KB |
Output is correct |
59 |
Correct |
65 ms |
436 KB |
Output is correct |
60 |
Correct |
67 ms |
384 KB |
Output is correct |
61 |
Correct |
65 ms |
384 KB |
Output is correct |
62 |
Correct |
70 ms |
384 KB |
Output is correct |
63 |
Correct |
70 ms |
504 KB |
Output is correct |
64 |
Correct |
69 ms |
384 KB |
Output is correct |
65 |
Correct |
14 ms |
384 KB |
Output is correct |
66 |
Correct |
19 ms |
384 KB |
Output is correct |
67 |
Correct |
41 ms |
404 KB |
Output is correct |
68 |
Correct |
48 ms |
384 KB |
Output is correct |
69 |
Correct |
64 ms |
384 KB |
Output is correct |
70 |
Correct |
61 ms |
428 KB |
Output is correct |
71 |
Correct |
73 ms |
428 KB |
Output is correct |
72 |
Correct |
69 ms |
420 KB |
Output is correct |
73 |
Correct |
67 ms |
384 KB |
Output is correct |
74 |
Correct |
69 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
360 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
15 |
Correct |
0 ms |
384 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
416 KB |
Output is correct |
21 |
Correct |
1 ms |
384 KB |
Output is correct |
22 |
Correct |
1 ms |
384 KB |
Output is correct |
23 |
Correct |
1 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
6 ms |
384 KB |
Output is correct |
27 |
Correct |
6 ms |
384 KB |
Output is correct |
28 |
Correct |
12 ms |
384 KB |
Output is correct |
29 |
Correct |
12 ms |
384 KB |
Output is correct |
30 |
Correct |
12 ms |
384 KB |
Output is correct |
31 |
Correct |
13 ms |
384 KB |
Output is correct |
32 |
Correct |
12 ms |
384 KB |
Output is correct |
33 |
Correct |
12 ms |
384 KB |
Output is correct |
34 |
Correct |
13 ms |
384 KB |
Output is correct |
35 |
Correct |
27 ms |
384 KB |
Output is correct |
36 |
Correct |
44 ms |
384 KB |
Output is correct |
37 |
Correct |
70 ms |
384 KB |
Output is correct |
38 |
Correct |
91 ms |
384 KB |
Output is correct |
39 |
Correct |
90 ms |
384 KB |
Output is correct |
40 |
Correct |
94 ms |
504 KB |
Output is correct |
41 |
Correct |
94 ms |
384 KB |
Output is correct |
42 |
Correct |
91 ms |
504 KB |
Output is correct |
43 |
Correct |
10 ms |
384 KB |
Output is correct |
44 |
Correct |
31 ms |
384 KB |
Output is correct |
45 |
Correct |
48 ms |
384 KB |
Output is correct |
46 |
Correct |
63 ms |
384 KB |
Output is correct |
47 |
Correct |
61 ms |
384 KB |
Output is correct |
48 |
Correct |
63 ms |
384 KB |
Output is correct |
49 |
Correct |
67 ms |
384 KB |
Output is correct |
50 |
Correct |
65 ms |
384 KB |
Output is correct |
51 |
Correct |
67 ms |
384 KB |
Output is correct |
52 |
Correct |
11 ms |
384 KB |
Output is correct |
53 |
Correct |
18 ms |
384 KB |
Output is correct |
54 |
Correct |
33 ms |
384 KB |
Output is correct |
55 |
Correct |
42 ms |
384 KB |
Output is correct |
56 |
Correct |
121 ms |
384 KB |
Output is correct |
57 |
Correct |
119 ms |
384 KB |
Output is correct |
58 |
Correct |
116 ms |
384 KB |
Output is correct |
59 |
Correct |
117 ms |
384 KB |
Output is correct |
60 |
Correct |
122 ms |
384 KB |
Output is correct |
61 |
Correct |
70 ms |
384 KB |
Output is correct |
62 |
Correct |
18 ms |
384 KB |
Output is correct |
63 |
Correct |
34 ms |
384 KB |
Output is correct |
64 |
Correct |
31 ms |
384 KB |
Output is correct |
65 |
Correct |
60 ms |
428 KB |
Output is correct |
66 |
Correct |
93 ms |
432 KB |
Output is correct |
67 |
Correct |
118 ms |
384 KB |
Output is correct |
68 |
Correct |
124 ms |
432 KB |
Output is correct |
69 |
Correct |
116 ms |
440 KB |
Output is correct |