#include <bits/stdc++.h>
#ifdef LOCAL
#include "/Users/nth842002/Library/debug.h"
#endif
using namespace std;
const int N = 2222;
const int LOG = 45;
const int INF = (int) 1e9 + 7;
int n, A, B;
long long a[N];
long long p2[LOG + 10];
long long prefix;
inline bool Check(long long sum) {
sum = p2[LOG] - 1 - sum;
return (sum & prefix) == prefix;
}
void Solve1() {
long long ans = 0;
for (int bits = LOG - 1; bits >= 0; bits--) {
prefix += p2[bits];
vector<int> f(n + 1, INF);
f[0] = 0;
for (int i = 0; i < n; i++) {
if (f[i] == INF) {
continue;
}
for (int j = i; j < n; j++) {
if (Check(a[j] - (i == 0 ? 0 : a[i - 1]))) {
f[j + 1] = min(f[j + 1], f[i] + 1);
}
}
}
if (f[n] > B) {
prefix -= p2[bits];
ans += p2[bits];
}
}
cout << ans << '\n';
}
void Solve2() {
long long ans = 0;
for (int bits = LOG - 1; bits >= 0; bits--) {
prefix += p2[bits];
vector<vector<bool>> f(n + 1, vector<bool>(n + 1));
f[0][0] = true;
for (int i = 0; i < n; i++) {
for (int k = 0; k < B; k++) {
if (!f[i][k]) {
continue;
}
for (int j = i; j < n; j++) {
if (Check(a[j] - (i == 0 ? 0 : a[i - 1]))) {
f[j + 1][k + 1] = true;
}
}
}
}
bool exist = false;
for (int k = A; k <= B; k++) {
if (f[n][k]) {
exist = true;
break;
}
}
if (not exist) {
prefix -= p2[bits];
ans += p2[bits];
}
}
cout << ans << '\n';
}
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
cin >> n >> A >> B;
for (int i = 0; i < n; i++) {
cin >> a[i];
a[i] += a[i - 1];
}
p2[0] = 1;
for (int i = 1; i <= LOG; i++) {
p2[i] = p2[i - 1] + p2[i - 1];
}
if (A == 1) {
Solve1();
} else {
Solve2();
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
380 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
420 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
380 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
380 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
504 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
2 ms |
376 KB |
Output is correct |
30 |
Correct |
2 ms |
444 KB |
Output is correct |
31 |
Correct |
2 ms |
376 KB |
Output is correct |
32 |
Correct |
2 ms |
412 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
2 ms |
376 KB |
Output is correct |
35 |
Correct |
2 ms |
376 KB |
Output is correct |
36 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
416 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
348 KB |
Output is correct |
4 |
Correct |
2 ms |
412 KB |
Output is correct |
5 |
Correct |
2 ms |
380 KB |
Output is correct |
6 |
Correct |
2 ms |
416 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
348 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
380 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
400 KB |
Output is correct |
18 |
Correct |
2 ms |
424 KB |
Output is correct |
19 |
Correct |
2 ms |
504 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
3 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
2 ms |
376 KB |
Output is correct |
30 |
Correct |
2 ms |
376 KB |
Output is correct |
31 |
Correct |
3 ms |
376 KB |
Output is correct |
32 |
Correct |
2 ms |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
2 ms |
376 KB |
Output is correct |
35 |
Correct |
2 ms |
376 KB |
Output is correct |
36 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
416 KB |
Output is correct |
4 |
Correct |
2 ms |
380 KB |
Output is correct |
5 |
Correct |
0 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
292 KB |
Output is correct |
8 |
Correct |
2 ms |
292 KB |
Output is correct |
9 |
Correct |
2 ms |
348 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
380 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
380 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
3 ms |
380 KB |
Output is correct |
27 |
Correct |
3 ms |
376 KB |
Output is correct |
28 |
Correct |
3 ms |
376 KB |
Output is correct |
29 |
Correct |
1 ms |
372 KB |
Output is correct |
30 |
Correct |
3 ms |
376 KB |
Output is correct |
31 |
Correct |
3 ms |
376 KB |
Output is correct |
32 |
Correct |
3 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
0 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
3 ms |
376 KB |
Output is correct |
21 |
Correct |
3 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
380 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
2 ms |
376 KB |
Output is correct |
30 |
Correct |
2 ms |
376 KB |
Output is correct |
31 |
Correct |
2 ms |
376 KB |
Output is correct |
32 |
Correct |
2 ms |
376 KB |
Output is correct |
33 |
Correct |
3 ms |
376 KB |
Output is correct |
34 |
Correct |
3 ms |
376 KB |
Output is correct |
35 |
Correct |
2 ms |
420 KB |
Output is correct |
36 |
Correct |
2 ms |
376 KB |
Output is correct |
37 |
Correct |
2 ms |
252 KB |
Output is correct |
38 |
Correct |
3 ms |
376 KB |
Output is correct |
39 |
Correct |
3 ms |
376 KB |
Output is correct |
40 |
Correct |
2 ms |
380 KB |
Output is correct |
41 |
Correct |
2 ms |
376 KB |
Output is correct |
42 |
Correct |
2 ms |
376 KB |
Output is correct |
43 |
Correct |
2 ms |
376 KB |
Output is correct |
44 |
Correct |
2 ms |
376 KB |
Output is correct |
45 |
Correct |
2 ms |
376 KB |
Output is correct |
46 |
Correct |
2 ms |
376 KB |
Output is correct |
47 |
Correct |
3 ms |
376 KB |
Output is correct |
48 |
Correct |
2 ms |
376 KB |
Output is correct |
49 |
Correct |
3 ms |
376 KB |
Output is correct |
50 |
Correct |
2 ms |
376 KB |
Output is correct |
51 |
Correct |
3 ms |
376 KB |
Output is correct |
52 |
Correct |
3 ms |
376 KB |
Output is correct |
53 |
Correct |
3 ms |
376 KB |
Output is correct |
54 |
Correct |
3 ms |
376 KB |
Output is correct |
55 |
Correct |
2 ms |
376 KB |
Output is correct |
56 |
Correct |
3 ms |
420 KB |
Output is correct |
57 |
Correct |
2 ms |
296 KB |
Output is correct |
58 |
Correct |
2 ms |
380 KB |
Output is correct |
59 |
Correct |
2 ms |
376 KB |
Output is correct |
60 |
Correct |
3 ms |
376 KB |
Output is correct |
61 |
Correct |
2 ms |
376 KB |
Output is correct |
62 |
Correct |
3 ms |
376 KB |
Output is correct |
63 |
Correct |
2 ms |
376 KB |
Output is correct |
64 |
Correct |
22 ms |
432 KB |
Output is correct |
65 |
Correct |
4 ms |
376 KB |
Output is correct |
66 |
Correct |
3 ms |
376 KB |
Output is correct |
67 |
Correct |
5 ms |
376 KB |
Output is correct |
68 |
Correct |
9 ms |
376 KB |
Output is correct |
69 |
Correct |
11 ms |
376 KB |
Output is correct |
70 |
Correct |
11 ms |
376 KB |
Output is correct |
71 |
Correct |
3 ms |
376 KB |
Output is correct |
72 |
Correct |
13 ms |
376 KB |
Output is correct |
73 |
Correct |
13 ms |
376 KB |
Output is correct |
74 |
Correct |
13 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
252 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
504 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
3 ms |
376 KB |
Output is correct |
22 |
Correct |
3 ms |
380 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
380 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 ms |
380 KB |
Output is correct |
29 |
Correct |
2 ms |
376 KB |
Output is correct |
30 |
Correct |
2 ms |
376 KB |
Output is correct |
31 |
Correct |
2 ms |
376 KB |
Output is correct |
32 |
Correct |
2 ms |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
2 ms |
376 KB |
Output is correct |
35 |
Correct |
2 ms |
376 KB |
Output is correct |
36 |
Correct |
2 ms |
376 KB |
Output is correct |
37 |
Correct |
3 ms |
376 KB |
Output is correct |
38 |
Correct |
3 ms |
376 KB |
Output is correct |
39 |
Correct |
3 ms |
376 KB |
Output is correct |
40 |
Correct |
3 ms |
376 KB |
Output is correct |
41 |
Correct |
3 ms |
376 KB |
Output is correct |
42 |
Correct |
3 ms |
376 KB |
Output is correct |
43 |
Correct |
2 ms |
376 KB |
Output is correct |
44 |
Correct |
3 ms |
376 KB |
Output is correct |
45 |
Correct |
2 ms |
376 KB |
Output is correct |
46 |
Correct |
2 ms |
376 KB |
Output is correct |
47 |
Correct |
2 ms |
376 KB |
Output is correct |
48 |
Correct |
2 ms |
376 KB |
Output is correct |
49 |
Correct |
3 ms |
376 KB |
Output is correct |
50 |
Correct |
2 ms |
376 KB |
Output is correct |
51 |
Correct |
3 ms |
376 KB |
Output is correct |
52 |
Correct |
11 ms |
376 KB |
Output is correct |
53 |
Correct |
10 ms |
376 KB |
Output is correct |
54 |
Correct |
37 ms |
376 KB |
Output is correct |
55 |
Correct |
27 ms |
436 KB |
Output is correct |
56 |
Correct |
58 ms |
424 KB |
Output is correct |
57 |
Correct |
53 ms |
504 KB |
Output is correct |
58 |
Correct |
71 ms |
420 KB |
Output is correct |
59 |
Correct |
98 ms |
376 KB |
Output is correct |
60 |
Correct |
68 ms |
376 KB |
Output is correct |
61 |
Correct |
2 ms |
376 KB |
Output is correct |
62 |
Correct |
10 ms |
376 KB |
Output is correct |
63 |
Correct |
38 ms |
400 KB |
Output is correct |
64 |
Correct |
16 ms |
376 KB |
Output is correct |
65 |
Correct |
28 ms |
504 KB |
Output is correct |
66 |
Correct |
41 ms |
376 KB |
Output is correct |
67 |
Correct |
54 ms |
376 KB |
Output is correct |
68 |
Correct |
138 ms |
376 KB |
Output is correct |
69 |
Correct |
52 ms |
504 KB |
Output is correct |