#include<bits/stdc++.h>
//#pragma GCC optimize("O2")
using namespace std;
using ll = long long;
using ld = long double;
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define sz(x) (int)x.size()
#define endl '\n'
const int mod = 1e9 + 7;
const int inf = 2e9 + 5;
const ll linf = 9e18 + 5;
int n, a, b;
const int N = 2e3 + 5;
int arr[N];
void init() {
}
void input() {
cin >> n >> a >> b;
for (int i = 1; i <= n; i++) {
cin >> arr[i];
}
}
bool check(ll mask) {
if (n <= 100) {
bitset<N> dp[n + 1];
dp[0][0] = true;
for (int i = 1; i <= n; i++) {
ll sum = 0;
for (int j = i; j >= 1; j--) {
sum += arr[j];
if ((sum & mask) == sum) {
dp[i] |= (dp[j - 1] << 1);
}
}
}
for (int i = a; i <= b; i++) {
if (dp[n][i]) {
return true;
}
}
return false;
}
else {
int ans[n + 1];
ans[0] = 0;
for (int i = 1; i <= n; i++) {
ans[i] = b + 1;
ll sum = 0;
for (int j = i; j >= 1; j--) {
sum += arr[j];
if ((sum & mask) == sum) {
ans[i] = min(ans[i], ans[j - 1] + 1);
}
}
}
return (ans[n] <= b);
}
}
void solve() {
ll mini = (1ll << 50) - 1;
for (int i = 49; i >= 0; i--) {
mini ^= (1ll << i);
if (!check(mini)) {
mini ^= (1ll << i);
}
}
cout << mini;
}
void output() {
}
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int number_of_testcases = 1;
//cin >> number_of_testcases;
while (number_of_testcases--) {
init();
input();
solve();
output();
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
0 ms |
212 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
1 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
36 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
1 ms |
224 KB |
Output is correct |
28 |
Correct |
1 ms |
212 KB |
Output is correct |
29 |
Correct |
3 ms |
212 KB |
Output is correct |
30 |
Correct |
3 ms |
212 KB |
Output is correct |
31 |
Correct |
4 ms |
212 KB |
Output is correct |
32 |
Correct |
4 ms |
212 KB |
Output is correct |
33 |
Correct |
4 ms |
212 KB |
Output is correct |
34 |
Correct |
4 ms |
212 KB |
Output is correct |
35 |
Correct |
4 ms |
212 KB |
Output is correct |
36 |
Correct |
4 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
2 ms |
212 KB |
Output is correct |
16 |
Correct |
3 ms |
212 KB |
Output is correct |
17 |
Correct |
3 ms |
212 KB |
Output is correct |
18 |
Correct |
4 ms |
212 KB |
Output is correct |
19 |
Correct |
4 ms |
212 KB |
Output is correct |
20 |
Correct |
4 ms |
212 KB |
Output is correct |
21 |
Correct |
4 ms |
212 KB |
Output is correct |
22 |
Correct |
4 ms |
212 KB |
Output is correct |
23 |
Correct |
4 ms |
212 KB |
Output is correct |
24 |
Correct |
4 ms |
212 KB |
Output is correct |
25 |
Correct |
8 ms |
332 KB |
Output is correct |
26 |
Correct |
8 ms |
212 KB |
Output is correct |
27 |
Correct |
11 ms |
212 KB |
Output is correct |
28 |
Correct |
14 ms |
340 KB |
Output is correct |
29 |
Correct |
13 ms |
340 KB |
Output is correct |
30 |
Correct |
14 ms |
344 KB |
Output is correct |
31 |
Correct |
13 ms |
212 KB |
Output is correct |
32 |
Correct |
13 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
276 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
0 ms |
212 KB |
Output is correct |
28 |
Correct |
1 ms |
212 KB |
Output is correct |
29 |
Correct |
1 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
36 |
Correct |
1 ms |
212 KB |
Output is correct |
37 |
Correct |
1 ms |
212 KB |
Output is correct |
38 |
Correct |
1 ms |
212 KB |
Output is correct |
39 |
Correct |
2 ms |
212 KB |
Output is correct |
40 |
Correct |
3 ms |
212 KB |
Output is correct |
41 |
Correct |
4 ms |
212 KB |
Output is correct |
42 |
Correct |
4 ms |
212 KB |
Output is correct |
43 |
Correct |
4 ms |
328 KB |
Output is correct |
44 |
Correct |
4 ms |
332 KB |
Output is correct |
45 |
Correct |
4 ms |
212 KB |
Output is correct |
46 |
Correct |
6 ms |
212 KB |
Output is correct |
47 |
Correct |
4 ms |
212 KB |
Output is correct |
48 |
Correct |
6 ms |
212 KB |
Output is correct |
49 |
Correct |
11 ms |
336 KB |
Output is correct |
50 |
Correct |
12 ms |
340 KB |
Output is correct |
51 |
Correct |
14 ms |
340 KB |
Output is correct |
52 |
Correct |
14 ms |
340 KB |
Output is correct |
53 |
Correct |
13 ms |
344 KB |
Output is correct |
54 |
Correct |
13 ms |
340 KB |
Output is correct |
55 |
Correct |
13 ms |
340 KB |
Output is correct |
56 |
Correct |
2 ms |
212 KB |
Output is correct |
57 |
Correct |
4 ms |
212 KB |
Output is correct |
58 |
Correct |
5 ms |
340 KB |
Output is correct |
59 |
Correct |
5 ms |
348 KB |
Output is correct |
60 |
Correct |
5 ms |
340 KB |
Output is correct |
61 |
Correct |
5 ms |
340 KB |
Output is correct |
62 |
Correct |
8 ms |
336 KB |
Output is correct |
63 |
Correct |
8 ms |
340 KB |
Output is correct |
64 |
Correct |
15 ms |
340 KB |
Output is correct |
65 |
Correct |
2 ms |
212 KB |
Output is correct |
66 |
Correct |
3 ms |
212 KB |
Output is correct |
67 |
Correct |
3 ms |
212 KB |
Output is correct |
68 |
Correct |
5 ms |
340 KB |
Output is correct |
69 |
Correct |
6 ms |
340 KB |
Output is correct |
70 |
Correct |
5 ms |
340 KB |
Output is correct |
71 |
Correct |
8 ms |
336 KB |
Output is correct |
72 |
Correct |
7 ms |
344 KB |
Output is correct |
73 |
Correct |
7 ms |
340 KB |
Output is correct |
74 |
Correct |
7 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
3 ms |
212 KB |
Output is correct |
27 |
Correct |
3 ms |
212 KB |
Output is correct |
28 |
Correct |
5 ms |
212 KB |
Output is correct |
29 |
Correct |
4 ms |
212 KB |
Output is correct |
30 |
Correct |
4 ms |
212 KB |
Output is correct |
31 |
Correct |
4 ms |
212 KB |
Output is correct |
32 |
Correct |
4 ms |
212 KB |
Output is correct |
33 |
Correct |
3 ms |
212 KB |
Output is correct |
34 |
Correct |
4 ms |
332 KB |
Output is correct |
35 |
Correct |
6 ms |
212 KB |
Output is correct |
36 |
Correct |
9 ms |
212 KB |
Output is correct |
37 |
Correct |
11 ms |
340 KB |
Output is correct |
38 |
Correct |
14 ms |
344 KB |
Output is correct |
39 |
Correct |
15 ms |
212 KB |
Output is correct |
40 |
Correct |
14 ms |
340 KB |
Output is correct |
41 |
Correct |
13 ms |
340 KB |
Output is correct |
42 |
Correct |
13 ms |
340 KB |
Output is correct |
43 |
Correct |
2 ms |
212 KB |
Output is correct |
44 |
Correct |
4 ms |
212 KB |
Output is correct |
45 |
Correct |
5 ms |
340 KB |
Output is correct |
46 |
Correct |
5 ms |
212 KB |
Output is correct |
47 |
Correct |
5 ms |
340 KB |
Output is correct |
48 |
Correct |
5 ms |
340 KB |
Output is correct |
49 |
Correct |
7 ms |
340 KB |
Output is correct |
50 |
Correct |
7 ms |
340 KB |
Output is correct |
51 |
Correct |
1 ms |
212 KB |
Output is correct |
52 |
Correct |
13 ms |
212 KB |
Output is correct |
53 |
Correct |
20 ms |
328 KB |
Output is correct |
54 |
Correct |
36 ms |
212 KB |
Output is correct |
55 |
Correct |
35 ms |
212 KB |
Output is correct |
56 |
Correct |
129 ms |
212 KB |
Output is correct |
57 |
Correct |
130 ms |
316 KB |
Output is correct |
58 |
Correct |
125 ms |
308 KB |
Output is correct |
59 |
Correct |
125 ms |
316 KB |
Output is correct |
60 |
Correct |
133 ms |
316 KB |
Output is correct |
61 |
Correct |
1 ms |
212 KB |
Output is correct |
62 |
Correct |
22 ms |
212 KB |
Output is correct |
63 |
Correct |
37 ms |
212 KB |
Output is correct |
64 |
Correct |
40 ms |
320 KB |
Output is correct |
65 |
Correct |
64 ms |
308 KB |
Output is correct |
66 |
Correct |
99 ms |
308 KB |
Output is correct |
67 |
Correct |
133 ms |
312 KB |
Output is correct |
68 |
Correct |
132 ms |
312 KB |
Output is correct |
69 |
Correct |
129 ms |
212 KB |
Output is correct |