#include <bits/stdc++.h>
using namespace std;
#define int long long
namespace sub4 {
const int N = 100;
int prefix[N + 5];
bool dp[N + 5][N + 5];
int ans = 0;
void main(int n, int a, int b, int arr[]) {
for (int i = 1; i <= n; i++) prefix[i] = prefix[i - 1] + arr[i];
for (int bit = 40; bit >= 0; bit--) {
for (int i = 0; i <= n; i++) {
for (int j = 0; j <= n; j++) {
dp[i][j] = false;
}
}
dp[0][0] = true;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= n; j++) {
for (int k = 1; k <= i; k++) {
int v = prefix[i] - prefix[k - 1];
if (((v >> bit) | (ans >> bit)) != (ans >> bit)) continue;
dp[i][j] |= dp[k - 1][j - 1];
}
}
}
bool valid = false;
for (int j = a; j <= b; j++) valid |= dp[n][j];
if (!valid) ans ^= (1ll << bit);
}
cout << ans << '\n';
}
}
namespace sub5 {
const int N = 2000;
int dp[N + 5], prefix[N + 5], ans = 0;
void main(int n, int a, int b, int arr[]) {
for (int i = 1; i <= n; i++) prefix[i] = prefix[i - 1] + arr[i];
for (int bit = 45; bit >= 0; bit--) {
for (int i = 0; i <= n; i++) dp[i] = 1e18;
dp[0] = 0;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= i; j++) {
int v = prefix[i] - prefix[j - 1];
if (((v >> bit) | (ans >> bit)) != (ans >> bit)) continue;
dp[i] = min(dp[i], dp[j - 1] + 1);
}
}
if (dp[n] > b) ans ^= (1ll << bit);
}
cout << ans << '\n';
}
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n, a, b;
cin >> n >> a >> b;
int arr[n + 5];
for (int i = 1; i <= n; i++)cin >> arr[i];
if (n <= 100) sub4::main(n, a, b, arr);
else sub5::main(n, a, b, arr);
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 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 |
320 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 |
324 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
324 KB |
Output is correct |
| 14 |
Correct |
1 ms |
324 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 |
320 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 |
340 KB |
Output is correct |
| 28 |
Correct |
1 ms |
320 KB |
Output is correct |
| 29 |
Correct |
1 ms |
212 KB |
Output is correct |
| 30 |
Correct |
1 ms |
324 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 |
324 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
328 KB |
Output is correct |
| 3 |
Correct |
1 ms |
324 KB |
Output is correct |
| 4 |
Correct |
1 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 |
324 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 |
328 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
328 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 |
256 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 |
324 KB |
Output is correct |
| 22 |
Correct |
0 ms |
328 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 |
320 KB |
Output is correct |
| 28 |
Correct |
1 ms |
212 KB |
Output is correct |
| 29 |
Correct |
2 ms |
212 KB |
Output is correct |
| 30 |
Correct |
3 ms |
328 KB |
Output is correct |
| 31 |
Correct |
5 ms |
340 KB |
Output is correct |
| 32 |
Correct |
4 ms |
340 KB |
Output is correct |
| 33 |
Correct |
4 ms |
324 KB |
Output is correct |
| 34 |
Correct |
4 ms |
320 KB |
Output is correct |
| 35 |
Correct |
4 ms |
212 KB |
Output is correct |
| 36 |
Correct |
4 ms |
328 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
328 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 |
324 KB |
Output is correct |
| 13 |
Correct |
1 ms |
320 KB |
Output is correct |
| 14 |
Correct |
1 ms |
324 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
2 ms |
324 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 |
340 KB |
Output is correct |
| 20 |
Correct |
5 ms |
212 KB |
Output is correct |
| 21 |
Correct |
4 ms |
340 KB |
Output is correct |
| 22 |
Correct |
4 ms |
212 KB |
Output is correct |
| 23 |
Correct |
5 ms |
212 KB |
Output is correct |
| 24 |
Correct |
4 ms |
340 KB |
Output is correct |
| 25 |
Correct |
9 ms |
336 KB |
Output is correct |
| 26 |
Correct |
15 ms |
336 KB |
Output is correct |
| 27 |
Correct |
27 ms |
324 KB |
Output is correct |
| 28 |
Correct |
32 ms |
212 KB |
Output is correct |
| 29 |
Correct |
32 ms |
212 KB |
Output is correct |
| 30 |
Correct |
34 ms |
332 KB |
Output is correct |
| 31 |
Correct |
33 ms |
212 KB |
Output is correct |
| 32 |
Correct |
33 ms |
328 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 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 |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
324 KB |
Output is correct |
| 6 |
Correct |
1 ms |
320 KB |
Output is correct |
| 7 |
Correct |
1 ms |
320 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 |
324 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 |
0 ms |
340 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 |
324 KB |
Output is correct |
| 31 |
Correct |
1 ms |
320 KB |
Output is correct |
| 32 |
Correct |
1 ms |
212 KB |
Output is correct |
| 33 |
Correct |
1 ms |
320 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 |
332 KB |
Output is correct |
| 40 |
Correct |
3 ms |
324 KB |
Output is correct |
| 41 |
Correct |
4 ms |
212 KB |
Output is correct |
| 42 |
Correct |
4 ms |
320 KB |
Output is correct |
| 43 |
Correct |
4 ms |
332 KB |
Output is correct |
| 44 |
Correct |
4 ms |
324 KB |
Output is correct |
| 45 |
Correct |
4 ms |
324 KB |
Output is correct |
| 46 |
Correct |
4 ms |
324 KB |
Output is correct |
| 47 |
Correct |
4 ms |
212 KB |
Output is correct |
| 48 |
Correct |
9 ms |
332 KB |
Output is correct |
| 49 |
Correct |
15 ms |
332 KB |
Output is correct |
| 50 |
Correct |
24 ms |
212 KB |
Output is correct |
| 51 |
Correct |
33 ms |
340 KB |
Output is correct |
| 52 |
Correct |
32 ms |
340 KB |
Output is correct |
| 53 |
Correct |
34 ms |
320 KB |
Output is correct |
| 54 |
Correct |
37 ms |
336 KB |
Output is correct |
| 55 |
Correct |
34 ms |
316 KB |
Output is correct |
| 56 |
Correct |
3 ms |
340 KB |
Output is correct |
| 57 |
Correct |
11 ms |
212 KB |
Output is correct |
| 58 |
Correct |
17 ms |
332 KB |
Output is correct |
| 59 |
Correct |
20 ms |
340 KB |
Output is correct |
| 60 |
Correct |
19 ms |
332 KB |
Output is correct |
| 61 |
Correct |
20 ms |
336 KB |
Output is correct |
| 62 |
Correct |
22 ms |
212 KB |
Output is correct |
| 63 |
Correct |
21 ms |
212 KB |
Output is correct |
| 64 |
Correct |
28 ms |
316 KB |
Output is correct |
| 65 |
Correct |
3 ms |
320 KB |
Output is correct |
| 66 |
Correct |
6 ms |
212 KB |
Output is correct |
| 67 |
Correct |
10 ms |
324 KB |
Output is correct |
| 68 |
Correct |
16 ms |
340 KB |
Output is correct |
| 69 |
Correct |
21 ms |
324 KB |
Output is correct |
| 70 |
Correct |
25 ms |
220 KB |
Output is correct |
| 71 |
Correct |
26 ms |
348 KB |
Output is correct |
| 72 |
Correct |
22 ms |
344 KB |
Output is correct |
| 73 |
Correct |
22 ms |
324 KB |
Output is correct |
| 74 |
Correct |
22 ms |
220 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
336 KB |
Output is correct |
| 2 |
Correct |
1 ms |
328 KB |
Output is correct |
| 3 |
Correct |
1 ms |
324 KB |
Output is correct |
| 4 |
Correct |
0 ms |
320 KB |
Output is correct |
| 5 |
Correct |
1 ms |
324 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 |
324 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 |
320 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
316 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 |
340 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 |
324 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 |
2 ms |
320 KB |
Output is correct |
| 27 |
Correct |
3 ms |
212 KB |
Output is correct |
| 28 |
Correct |
4 ms |
212 KB |
Output is correct |
| 29 |
Correct |
4 ms |
332 KB |
Output is correct |
| 30 |
Correct |
4 ms |
332 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 |
452 KB |
Output is correct |
| 34 |
Correct |
4 ms |
332 KB |
Output is correct |
| 35 |
Correct |
10 ms |
340 KB |
Output is correct |
| 36 |
Correct |
15 ms |
212 KB |
Output is correct |
| 37 |
Correct |
25 ms |
320 KB |
Output is correct |
| 38 |
Correct |
33 ms |
316 KB |
Output is correct |
| 39 |
Correct |
33 ms |
212 KB |
Output is correct |
| 40 |
Correct |
34 ms |
220 KB |
Output is correct |
| 41 |
Correct |
33 ms |
220 KB |
Output is correct |
| 42 |
Correct |
33 ms |
220 KB |
Output is correct |
| 43 |
Correct |
3 ms |
220 KB |
Output is correct |
| 44 |
Correct |
10 ms |
332 KB |
Output is correct |
| 45 |
Correct |
16 ms |
348 KB |
Output is correct |
| 46 |
Correct |
21 ms |
220 KB |
Output is correct |
| 47 |
Correct |
19 ms |
344 KB |
Output is correct |
| 48 |
Correct |
20 ms |
344 KB |
Output is correct |
| 49 |
Correct |
22 ms |
212 KB |
Output is correct |
| 50 |
Correct |
26 ms |
212 KB |
Output is correct |
| 51 |
Correct |
1 ms |
212 KB |
Output is correct |
| 52 |
Correct |
9 ms |
324 KB |
Output is correct |
| 53 |
Correct |
13 ms |
340 KB |
Output is correct |
| 54 |
Correct |
25 ms |
340 KB |
Output is correct |
| 55 |
Correct |
29 ms |
332 KB |
Output is correct |
| 56 |
Correct |
118 ms |
368 KB |
Output is correct |
| 57 |
Correct |
92 ms |
368 KB |
Output is correct |
| 58 |
Correct |
88 ms |
368 KB |
Output is correct |
| 59 |
Correct |
91 ms |
368 KB |
Output is correct |
| 60 |
Correct |
91 ms |
376 KB |
Output is correct |
| 61 |
Correct |
1 ms |
212 KB |
Output is correct |
| 62 |
Correct |
14 ms |
340 KB |
Output is correct |
| 63 |
Correct |
28 ms |
340 KB |
Output is correct |
| 64 |
Correct |
34 ms |
340 KB |
Output is correct |
| 65 |
Correct |
45 ms |
356 KB |
Output is correct |
| 66 |
Correct |
68 ms |
336 KB |
Output is correct |
| 67 |
Correct |
90 ms |
368 KB |
Output is correct |
| 68 |
Correct |
97 ms |
468 KB |
Output is correct |
| 69 |
Correct |
114 ms |
340 KB |
Output is correct |
