#include <bits/stdc++.h>
using namespace std;
#define dbg(x) cerr << #x << ": " << x << endl;
const int MAX_N = 2000 + 5;
const int MAX_X = 20;
const int INF = 1e9;
int a[MAX_N];
int dp[MAX_N][MAX_N];
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int n, l, r;
cin >> n >> l >> r;
for (int i = 1; i <= n; ++i) {
cin >> a[i];
}
// minimize (a1 + a2 + ... + a_(k - 1)) | (a_k + a_(k + 1) + ...) | ...
// IMPORTANT NOTE: IN LAST GROUP n = 2000 and l = 1
// maybe greedy bit by bit? minimize first, then second, ...
for (int i = 0; i <= n; ++i) {
for (int j = 0; j < MAX_N; ++j) {
dp[i][j] = INF;
}
}
dp[0][0] = 0;
for (int i = 1; i <= n; ++i) {
int s = 0;
for (int j = i; j > 0; --j) {
s += a[j];
for (int x = 0; x <= j * MAX_X + 5; ++x) {
dp[i][s | x] = min(dp[i][s | x], dp[j - 1][x] + 1);
}
}
}
int ans = INF;
for (int x = 0; x < MAX_N; ++x) {
if (dp[n][x] <= r) {
ans = min(ans, x);
}
}
cout << ans << '\n';
return 0;
}
/*
6 1 3
8 1 2 1 5 4
*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
324 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
328 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
452 KB |
Output is correct |
8 |
Correct |
1 ms |
468 KB |
Output is correct |
9 |
Correct |
1 ms |
468 KB |
Output is correct |
10 |
Correct |
1 ms |
468 KB |
Output is correct |
11 |
Correct |
1 ms |
468 KB |
Output is correct |
12 |
Correct |
1 ms |
468 KB |
Output is correct |
13 |
Correct |
1 ms |
468 KB |
Output is correct |
14 |
Correct |
0 ms |
324 KB |
Output is correct |
15 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
16 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
328 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
1 ms |
468 KB |
Output is correct |
9 |
Correct |
1 ms |
468 KB |
Output is correct |
10 |
Correct |
1 ms |
468 KB |
Output is correct |
11 |
Correct |
1 ms |
468 KB |
Output is correct |
12 |
Correct |
1 ms |
468 KB |
Output is correct |
13 |
Correct |
1 ms |
452 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
16 |
Halted |
0 ms |
0 KB |
- |
# |
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 |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
1 ms |
456 KB |
Output is correct |
9 |
Correct |
1 ms |
468 KB |
Output is correct |
10 |
Correct |
1 ms |
468 KB |
Output is correct |
11 |
Correct |
1 ms |
456 KB |
Output is correct |
12 |
Correct |
1 ms |
452 KB |
Output is correct |
13 |
Correct |
1 ms |
468 KB |
Output is correct |
14 |
Correct |
1 ms |
468 KB |
Output is correct |
15 |
Correct |
1 ms |
468 KB |
Output is correct |
16 |
Correct |
1 ms |
596 KB |
Output is correct |
17 |
Correct |
1 ms |
596 KB |
Output is correct |
18 |
Correct |
1 ms |
724 KB |
Output is correct |
19 |
Correct |
1 ms |
712 KB |
Output is correct |
20 |
Correct |
1 ms |
724 KB |
Output is correct |
21 |
Correct |
1 ms |
732 KB |
Output is correct |
22 |
Correct |
1 ms |
724 KB |
Output is correct |
23 |
Correct |
1 ms |
724 KB |
Output is correct |
24 |
Correct |
1 ms |
708 KB |
Output is correct |
25 |
Correct |
2 ms |
852 KB |
Output is correct |
26 |
Correct |
3 ms |
852 KB |
Output is correct |
27 |
Correct |
4 ms |
980 KB |
Output is correct |
28 |
Correct |
5 ms |
1108 KB |
Output is correct |
29 |
Correct |
5 ms |
1096 KB |
Output is correct |
30 |
Correct |
5 ms |
1108 KB |
Output is correct |
31 |
Correct |
6 ms |
1108 KB |
Output is correct |
32 |
Correct |
6 ms |
1128 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
328 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
1 ms |
468 KB |
Output is correct |
9 |
Correct |
1 ms |
468 KB |
Output is correct |
10 |
Correct |
1 ms |
468 KB |
Output is correct |
11 |
Correct |
1 ms |
472 KB |
Output is correct |
12 |
Correct |
1 ms |
480 KB |
Output is correct |
13 |
Correct |
1 ms |
468 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
16 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
328 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
476 KB |
Output is correct |
7 |
Correct |
1 ms |
480 KB |
Output is correct |
8 |
Correct |
1 ms |
480 KB |
Output is correct |
9 |
Correct |
1 ms |
476 KB |
Output is correct |
10 |
Correct |
1 ms |
468 KB |
Output is correct |
11 |
Correct |
1 ms |
468 KB |
Output is correct |
12 |
Correct |
1 ms |
476 KB |
Output is correct |
13 |
Correct |
1 ms |
476 KB |
Output is correct |
14 |
Runtime error |
1 ms |
468 KB |
Execution killed with signal 11 |
15 |
Halted |
0 ms |
0 KB |
- |