#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double dou;
#define pii pair<int, int>
#define fi first
#define se second
#define pb push_back
#define MASK(x) (1LL<<(x))
#define BITj(x, j) (((x)>>(j))&1)
template<typename T> bool maximize(T &x, const T &y) {
if (x < y) {x = y; return 1;}
return 0;
}
template<typename T> bool minimize(T &x, const T &y) {
if (x > y) {x = y; return 1;}
return 0;
}
const int maxn = 2005, lg = 60;
int n, l, r;
ll a[maxn], ps[maxn];
namespace sub4{
const int maxn1 = 105;
bool dp[maxn1][maxn1];
bool check(ll mask) {
memset(dp, 0, sizeof(dp));
dp[0][0] = 1;
for (int i = 1; i <= n; i++) {
for (int j = 0; j < i; j++) {
ll sum = ps[i]-ps[j];
if ((sum&mask)==sum && (sum|mask)==mask) {
//satisfied
for (int seg = 1; seg <= i; seg++) {
dp[i][seg] |= dp[j][seg-1];
}
}
}
}
for (int seg = l; seg <= r; seg++) {
if (dp[n][seg]) return 1;
}
return 0;
}
void solve() {
ll ans = MASK(lg)-1;
for (int j = lg-1; j >= 0; j--) {
if (check(ans^MASK(j))) ans ^= MASK(j);
}
cout << ans;
}
}
namespace sub5{
int dp[maxn];
bool check(ll mask) {
memset(dp, 0x3f, sizeof(dp));
dp[0] = 0;
for (int i = 1; i <= n; i++) {
for (int j = 0; j < i; j++) {
ll sum = ps[i]-ps[j];
if ((sum&mask)==sum && (sum|mask)==mask) {
//satisfied
minimize(dp[i], dp[j]+1);
}
}
}
return (dp[n] <= r);
}
void solve() {
ll ans = MASK(lg)-1;
for (int j = lg-1; j >= 0; j--) {
if (check(ans^MASK(j))) ans ^= MASK(j);
}
cout << ans;
}
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
// #define name "task"
// if (fopen(name".inp", "r")) {
// freopen(name".inp", "r", stdin);
// freopen(name".out", "w", stdout);
// }
cin >> n >> l >> r;
ps[0] = 0;
for (int i = 1; i <= n; i++) {
cin >> a[i];
ps[i] = ps[i-1] + a[i];
}
if (l == 1) return sub5::solve(), 0;
return sub4::solve(), 0;
}
/*
6 1 3
8 1 2 1 5 4
*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
504 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
464 KB |
Output is correct |
18 |
Correct |
1 ms |
508 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
388 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
508 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
1 ms |
340 KB |
Output is correct |
35 |
Correct |
1 ms |
340 KB |
Output is correct |
36 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
508 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
352 KB |
Output is correct |
11 |
Correct |
1 ms |
352 KB |
Output is correct |
12 |
Correct |
1 ms |
352 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
504 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
508 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
1 ms |
340 KB |
Output is correct |
35 |
Correct |
1 ms |
344 KB |
Output is correct |
36 |
Correct |
1 ms |
352 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
508 KB |
Output is correct |
4 |
Correct |
1 ms |
352 KB |
Output is correct |
5 |
Correct |
1 ms |
604 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
468 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
504 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
504 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
352 KB |
Output is correct |
25 |
Correct |
1 ms |
352 KB |
Output is correct |
26 |
Correct |
1 ms |
524 KB |
Output is correct |
27 |
Correct |
1 ms |
352 KB |
Output is correct |
28 |
Correct |
1 ms |
352 KB |
Output is correct |
29 |
Correct |
1 ms |
352 KB |
Output is correct |
30 |
Correct |
1 ms |
352 KB |
Output is correct |
31 |
Correct |
1 ms |
352 KB |
Output is correct |
32 |
Correct |
1 ms |
352 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
352 KB |
Output is correct |
2 |
Correct |
1 ms |
352 KB |
Output is correct |
3 |
Correct |
1 ms |
352 KB |
Output is correct |
4 |
Correct |
1 ms |
352 KB |
Output is correct |
5 |
Correct |
1 ms |
352 KB |
Output is correct |
6 |
Correct |
1 ms |
352 KB |
Output is correct |
7 |
Correct |
1 ms |
352 KB |
Output is correct |
8 |
Correct |
1 ms |
360 KB |
Output is correct |
9 |
Correct |
1 ms |
352 KB |
Output is correct |
10 |
Correct |
1 ms |
352 KB |
Output is correct |
11 |
Correct |
1 ms |
352 KB |
Output is correct |
12 |
Correct |
1 ms |
352 KB |
Output is correct |
13 |
Correct |
1 ms |
352 KB |
Output is correct |
14 |
Correct |
1 ms |
352 KB |
Output is correct |
15 |
Correct |
1 ms |
352 KB |
Output is correct |
16 |
Correct |
1 ms |
352 KB |
Output is correct |
17 |
Correct |
1 ms |
352 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
464 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
1 ms |
340 KB |
Output is correct |
35 |
Correct |
1 ms |
340 KB |
Output is correct |
36 |
Correct |
1 ms |
464 KB |
Output is correct |
37 |
Correct |
1 ms |
340 KB |
Output is correct |
38 |
Correct |
1 ms |
352 KB |
Output is correct |
39 |
Correct |
1 ms |
352 KB |
Output is correct |
40 |
Correct |
1 ms |
352 KB |
Output is correct |
41 |
Correct |
1 ms |
352 KB |
Output is correct |
42 |
Correct |
1 ms |
352 KB |
Output is correct |
43 |
Correct |
1 ms |
508 KB |
Output is correct |
44 |
Correct |
1 ms |
480 KB |
Output is correct |
45 |
Correct |
1 ms |
364 KB |
Output is correct |
46 |
Correct |
1 ms |
352 KB |
Output is correct |
47 |
Correct |
1 ms |
352 KB |
Output is correct |
48 |
Correct |
1 ms |
352 KB |
Output is correct |
49 |
Correct |
1 ms |
352 KB |
Output is correct |
50 |
Correct |
1 ms |
512 KB |
Output is correct |
51 |
Correct |
1 ms |
352 KB |
Output is correct |
52 |
Correct |
1 ms |
500 KB |
Output is correct |
53 |
Correct |
1 ms |
504 KB |
Output is correct |
54 |
Correct |
1 ms |
352 KB |
Output is correct |
55 |
Correct |
1 ms |
352 KB |
Output is correct |
56 |
Correct |
1 ms |
352 KB |
Output is correct |
57 |
Correct |
1 ms |
352 KB |
Output is correct |
58 |
Correct |
1 ms |
508 KB |
Output is correct |
59 |
Correct |
1 ms |
352 KB |
Output is correct |
60 |
Correct |
1 ms |
352 KB |
Output is correct |
61 |
Correct |
1 ms |
352 KB |
Output is correct |
62 |
Correct |
1 ms |
352 KB |
Output is correct |
63 |
Correct |
1 ms |
352 KB |
Output is correct |
64 |
Correct |
6 ms |
504 KB |
Output is correct |
65 |
Correct |
2 ms |
352 KB |
Output is correct |
66 |
Correct |
2 ms |
352 KB |
Output is correct |
67 |
Correct |
3 ms |
352 KB |
Output is correct |
68 |
Correct |
3 ms |
352 KB |
Output is correct |
69 |
Correct |
4 ms |
364 KB |
Output is correct |
70 |
Correct |
4 ms |
508 KB |
Output is correct |
71 |
Correct |
5 ms |
352 KB |
Output is correct |
72 |
Correct |
5 ms |
352 KB |
Output is correct |
73 |
Correct |
5 ms |
352 KB |
Output is correct |
74 |
Correct |
5 ms |
508 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
352 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
352 KB |
Output is correct |
4 |
Correct |
1 ms |
352 KB |
Output is correct |
5 |
Correct |
1 ms |
352 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
352 KB |
Output is correct |
8 |
Correct |
1 ms |
352 KB |
Output is correct |
9 |
Correct |
1 ms |
352 KB |
Output is correct |
10 |
Correct |
1 ms |
352 KB |
Output is correct |
11 |
Correct |
1 ms |
352 KB |
Output is correct |
12 |
Correct |
1 ms |
504 KB |
Output is correct |
13 |
Correct |
1 ms |
388 KB |
Output is correct |
14 |
Correct |
1 ms |
352 KB |
Output is correct |
15 |
Correct |
1 ms |
352 KB |
Output is correct |
16 |
Correct |
1 ms |
352 KB |
Output is correct |
17 |
Correct |
1 ms |
352 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
504 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
504 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
1 ms |
340 KB |
Output is correct |
35 |
Correct |
1 ms |
340 KB |
Output is correct |
36 |
Correct |
1 ms |
340 KB |
Output is correct |
37 |
Correct |
1 ms |
340 KB |
Output is correct |
38 |
Correct |
1 ms |
348 KB |
Output is correct |
39 |
Correct |
1 ms |
340 KB |
Output is correct |
40 |
Correct |
1 ms |
340 KB |
Output is correct |
41 |
Correct |
1 ms |
340 KB |
Output is correct |
42 |
Correct |
1 ms |
352 KB |
Output is correct |
43 |
Correct |
1 ms |
340 KB |
Output is correct |
44 |
Correct |
1 ms |
340 KB |
Output is correct |
45 |
Correct |
1 ms |
340 KB |
Output is correct |
46 |
Correct |
1 ms |
340 KB |
Output is correct |
47 |
Correct |
1 ms |
340 KB |
Output is correct |
48 |
Correct |
2 ms |
508 KB |
Output is correct |
49 |
Correct |
1 ms |
340 KB |
Output is correct |
50 |
Correct |
1 ms |
340 KB |
Output is correct |
51 |
Correct |
1 ms |
340 KB |
Output is correct |
52 |
Correct |
8 ms |
352 KB |
Output is correct |
53 |
Correct |
11 ms |
352 KB |
Output is correct |
54 |
Correct |
21 ms |
352 KB |
Output is correct |
55 |
Correct |
21 ms |
352 KB |
Output is correct |
56 |
Correct |
76 ms |
608 KB |
Output is correct |
57 |
Correct |
74 ms |
352 KB |
Output is correct |
58 |
Correct |
72 ms |
352 KB |
Output is correct |
59 |
Correct |
74 ms |
504 KB |
Output is correct |
60 |
Correct |
77 ms |
352 KB |
Output is correct |
61 |
Correct |
1 ms |
352 KB |
Output is correct |
62 |
Correct |
11 ms |
352 KB |
Output is correct |
63 |
Correct |
22 ms |
520 KB |
Output is correct |
64 |
Correct |
21 ms |
352 KB |
Output is correct |
65 |
Correct |
38 ms |
528 KB |
Output is correct |
66 |
Correct |
57 ms |
352 KB |
Output is correct |
67 |
Correct |
74 ms |
352 KB |
Output is correct |
68 |
Correct |
77 ms |
352 KB |
Output is correct |
69 |
Correct |
82 ms |
340 KB |
Output is correct |