#include <bits/stdc++.h>
using namespace std;
#define int long long
typedef pair<int,int> pi;
#define f first
#define s second
#define FAST ios_base::sync_with_stdio(0); cin.tie(0);
const int maxb = 42;
const int maxn = 2010;
int n,A,B;
int pref[maxn];
int aa[maxn];
int dp1[110][110];
int dp2[2010];
int curbm;
int cap(int x, int groups) {
if (dp1[x][groups] != -1) return dp1[x][groups];
if (groups > B) return 0;
if (x == n) {
if (groups >= A and groups <= B) return 1;
else return 0;
}
int res = 0;
for (int i = x; i < n;i++) {
int sum = pref[i] - (x == 0?0: pref[x - 1]);
bool works = true;
for (int b = 0; b < maxb and works; b++) {
if (sum & (1 << b) and !(curbm & (1 << b))) works = false;
}
if (works) res = max(res, cap(i+1,groups+1));
}
return dp1[x][groups] = res;
}
int32_t main() {
cin >> n >> A >> B;
for (int i =0;i<n;i++) cin >> aa[i];
for (int i =0;i<n;i++) {
pref[i] = (i==0?0:pref[i-1]) + aa[i];
}
int ans = (1ll << maxb)-1;
if (n <= 100) { //a can be > 1
//Greedy
for (int b = maxb-1; b >= 0; b--) {
curbm = ans ^ (1ll << b);
//cout << "HI: " << b << " " << curbm << "\n";
memset(dp1,-1,sizeof dp1);
if (cap(0,0)) ans = curbm; //If you can limit all groups to have sum < (1<<b), ans can not have (1<<b)
//cout << "NEW: " << curbm << " " << ans << "\n\n";
}
} else { //a can only be = 1;
}
cout << ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
2 ms |
492 KB |
Output is correct |
| 7 |
Correct |
2 ms |
492 KB |
Output is correct |
| 8 |
Correct |
2 ms |
492 KB |
Output is correct |
| 9 |
Correct |
2 ms |
492 KB |
Output is correct |
| 10 |
Correct |
2 ms |
492 KB |
Output is correct |
| 11 |
Correct |
1 ms |
492 KB |
Output is correct |
| 12 |
Correct |
2 ms |
492 KB |
Output is correct |
| 13 |
Correct |
4 ms |
492 KB |
Output is correct |
| 14 |
Correct |
1 ms |
512 KB |
Output is correct |
| 15 |
Correct |
1 ms |
364 KB |
Output is correct |
| 16 |
Correct |
1 ms |
364 KB |
Output is correct |
| 17 |
Correct |
1 ms |
364 KB |
Output is correct |
| 18 |
Correct |
1 ms |
364 KB |
Output is correct |
| 19 |
Correct |
2 ms |
492 KB |
Output is correct |
| 20 |
Correct |
2 ms |
492 KB |
Output is correct |
| 21 |
Correct |
3 ms |
364 KB |
Output is correct |
| 22 |
Correct |
3 ms |
492 KB |
Output is correct |
| 23 |
Correct |
3 ms |
492 KB |
Output is correct |
| 24 |
Correct |
2 ms |
492 KB |
Output is correct |
| 25 |
Correct |
3 ms |
492 KB |
Output is correct |
| 26 |
Correct |
4 ms |
492 KB |
Output is correct |
| 27 |
Correct |
1 ms |
364 KB |
Output is correct |
| 28 |
Correct |
1 ms |
364 KB |
Output is correct |
| 29 |
Correct |
1 ms |
492 KB |
Output is correct |
| 30 |
Incorrect |
2 ms |
492 KB |
Output isn't correct |
| 31 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
512 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
512 KB |
Output is correct |
| 6 |
Correct |
3 ms |
492 KB |
Output is correct |
| 7 |
Correct |
2 ms |
492 KB |
Output is correct |
| 8 |
Correct |
2 ms |
492 KB |
Output is correct |
| 9 |
Correct |
2 ms |
492 KB |
Output is correct |
| 10 |
Correct |
2 ms |
492 KB |
Output is correct |
| 11 |
Correct |
1 ms |
512 KB |
Output is correct |
| 12 |
Correct |
2 ms |
492 KB |
Output is correct |
| 13 |
Correct |
4 ms |
492 KB |
Output is correct |
| 14 |
Correct |
1 ms |
364 KB |
Output is correct |
| 15 |
Correct |
1 ms |
364 KB |
Output is correct |
| 16 |
Correct |
1 ms |
364 KB |
Output is correct |
| 17 |
Correct |
1 ms |
364 KB |
Output is correct |
| 18 |
Correct |
1 ms |
364 KB |
Output is correct |
| 19 |
Correct |
2 ms |
492 KB |
Output is correct |
| 20 |
Correct |
15 ms |
492 KB |
Output is correct |
| 21 |
Correct |
4 ms |
492 KB |
Output is correct |
| 22 |
Correct |
3 ms |
492 KB |
Output is correct |
| 23 |
Correct |
3 ms |
492 KB |
Output is correct |
| 24 |
Correct |
2 ms |
492 KB |
Output is correct |
| 25 |
Correct |
3 ms |
492 KB |
Output is correct |
| 26 |
Correct |
4 ms |
492 KB |
Output is correct |
| 27 |
Correct |
5 ms |
492 KB |
Output is correct |
| 28 |
Correct |
6 ms |
512 KB |
Output is correct |
| 29 |
Correct |
10 ms |
492 KB |
Output is correct |
| 30 |
Correct |
28 ms |
492 KB |
Output is correct |
| 31 |
Correct |
46 ms |
492 KB |
Output is correct |
| 32 |
Correct |
35 ms |
492 KB |
Output is correct |
| 33 |
Correct |
4 ms |
492 KB |
Output is correct |
| 34 |
Correct |
46 ms |
492 KB |
Output is correct |
| 35 |
Correct |
42 ms |
492 KB |
Output is correct |
| 36 |
Correct |
29 ms |
500 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
236 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
2 ms |
492 KB |
Output is correct |
| 7 |
Correct |
2 ms |
492 KB |
Output is correct |
| 8 |
Correct |
2 ms |
492 KB |
Output is correct |
| 9 |
Correct |
2 ms |
492 KB |
Output is correct |
| 10 |
Correct |
2 ms |
492 KB |
Output is correct |
| 11 |
Correct |
1 ms |
492 KB |
Output is correct |
| 12 |
Correct |
2 ms |
492 KB |
Output is correct |
| 13 |
Correct |
4 ms |
492 KB |
Output is correct |
| 14 |
Correct |
5 ms |
492 KB |
Output is correct |
| 15 |
Correct |
6 ms |
492 KB |
Output is correct |
| 16 |
Correct |
10 ms |
492 KB |
Output is correct |
| 17 |
Correct |
27 ms |
492 KB |
Output is correct |
| 18 |
Correct |
44 ms |
492 KB |
Output is correct |
| 19 |
Correct |
37 ms |
492 KB |
Output is correct |
| 20 |
Correct |
4 ms |
492 KB |
Output is correct |
| 21 |
Correct |
45 ms |
492 KB |
Output is correct |
| 22 |
Correct |
42 ms |
492 KB |
Output is correct |
| 23 |
Correct |
29 ms |
492 KB |
Output is correct |
| 24 |
Correct |
56 ms |
492 KB |
Output is correct |
| 25 |
Correct |
59 ms |
492 KB |
Output is correct |
| 26 |
Correct |
171 ms |
492 KB |
Output is correct |
| 27 |
Correct |
396 ms |
492 KB |
Output is correct |
| 28 |
Correct |
591 ms |
620 KB |
Output is correct |
| 29 |
Correct |
372 ms |
492 KB |
Output is correct |
| 30 |
Correct |
12 ms |
492 KB |
Output is correct |
| 31 |
Correct |
504 ms |
492 KB |
Output is correct |
| 32 |
Correct |
546 ms |
492 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
492 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
2 ms |
492 KB |
Output is correct |
| 7 |
Correct |
2 ms |
492 KB |
Output is correct |
| 8 |
Correct |
2 ms |
492 KB |
Output is correct |
| 9 |
Correct |
3 ms |
492 KB |
Output is correct |
| 10 |
Correct |
2 ms |
492 KB |
Output is correct |
| 11 |
Correct |
1 ms |
492 KB |
Output is correct |
| 12 |
Correct |
2 ms |
512 KB |
Output is correct |
| 13 |
Correct |
4 ms |
492 KB |
Output is correct |
| 14 |
Correct |
1 ms |
364 KB |
Output is correct |
| 15 |
Correct |
1 ms |
364 KB |
Output is correct |
| 16 |
Correct |
1 ms |
364 KB |
Output is correct |
| 17 |
Correct |
1 ms |
364 KB |
Output is correct |
| 18 |
Correct |
1 ms |
364 KB |
Output is correct |
| 19 |
Correct |
2 ms |
492 KB |
Output is correct |
| 20 |
Correct |
2 ms |
492 KB |
Output is correct |
| 21 |
Correct |
3 ms |
492 KB |
Output is correct |
| 22 |
Correct |
3 ms |
492 KB |
Output is correct |
| 23 |
Correct |
3 ms |
492 KB |
Output is correct |
| 24 |
Correct |
2 ms |
492 KB |
Output is correct |
| 25 |
Correct |
3 ms |
492 KB |
Output is correct |
| 26 |
Correct |
4 ms |
492 KB |
Output is correct |
| 27 |
Correct |
1 ms |
364 KB |
Output is correct |
| 28 |
Correct |
1 ms |
512 KB |
Output is correct |
| 29 |
Correct |
1 ms |
492 KB |
Output is correct |
| 30 |
Incorrect |
2 ms |
492 KB |
Output isn't correct |
| 31 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
2 ms |
492 KB |
Output is correct |
| 7 |
Correct |
2 ms |
512 KB |
Output is correct |
| 8 |
Correct |
2 ms |
492 KB |
Output is correct |
| 9 |
Correct |
2 ms |
492 KB |
Output is correct |
| 10 |
Correct |
2 ms |
492 KB |
Output is correct |
| 11 |
Correct |
1 ms |
492 KB |
Output is correct |
| 12 |
Correct |
2 ms |
492 KB |
Output is correct |
| 13 |
Correct |
4 ms |
492 KB |
Output is correct |
| 14 |
Correct |
1 ms |
364 KB |
Output is correct |
| 15 |
Correct |
1 ms |
364 KB |
Output is correct |
| 16 |
Correct |
1 ms |
492 KB |
Output is correct |
| 17 |
Incorrect |
2 ms |
492 KB |
Output isn't correct |
| 18 |
Halted |
0 ms |
0 KB |
- |
