#include <bits/stdc++.h>
using namespace std;
long long target = 0ll; ///1's at that bit means that we want to keep that bit with a value of 0
int main()
{
//freopen("i.txt","r",stdin);
ios_base::sync_with_stdio(false);
cin.tie(0);
int n, a, b;
cin >> n >> a >> b;
long long arr[n];
for(int i = 0;i < n;i++){
cin >> arr[i];
}
long long all = (1ll << 51) - 1;
for(int i = 1;i < n;i++){
arr[i] += arr[i-1];
}
if(n <= 200){
bool dp[n][b];
for(long long bit = 50;bit >= 0;bit--){
///check if we can keep that value at 0
target ^= (1ll << bit);
for(int i = 0;i < n;i++){
for(int k = 0;k < b;k++){
dp[i][k] = false;
}
}
for(int i = 0;i < n;i++){ ///end
for(int k = 0;k < b;k++){ ///no. of groups;
if(k == 0){
if((arr[i] & target) == 0){
dp[i][k] = true;
}
continue;
}
for(int j = 0;j < i;j++){ ///choosing where to break of the previous group
long long presum = arr[i];
presum -= arr[j];
if(((presum & target) == 0) && dp[j][k-1]){
dp[i][k] = true;
break;
}
}
}
}
bool can = false;
for(int k = a-1;k < b;k++){
if(dp[n-1][k]){
can = true;
break;
}
}
if(!can){
target ^= (1ll << bit);
//cout << target << "\n";
}
}
cout << (target ^ all) << "\n";
}
else{
int dp[n];
for(long long bit = 50;bit >= 0;bit--){
///check if we can keep that value at 0
target ^= (1ll << bit);
for(int i = 0;i < n;i++){
dp[i] = 102345;
}
for(int i = 0;i < n;i++){
if((arr[i] & target) == 0){
dp[i] = 1;
}
for(int j = 0;j < i;j++){
long long presum = arr[i];
presum -= arr[j];
if((presum & target) == 0){
dp[i] = min(dp[i], dp[j] + 1);
}
}
}
if(dp[n-1] > b){
target ^= (1ll << bit);
}
}
cout << (target ^ all) << "\n";
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
256 KB |
Output is correct |
3 |
Correct |
2 ms |
256 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
3 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
2 ms |
384 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
2 ms |
332 KB |
Output is correct |
17 |
Correct |
3 ms |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
384 KB |
Output is correct |
19 |
Correct |
2 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
2 ms |
384 KB |
Output is correct |
22 |
Correct |
2 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
2 ms |
384 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
384 KB |
Output is correct |
27 |
Correct |
2 ms |
384 KB |
Output is correct |
28 |
Correct |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
2 ms |
384 KB |
Output is correct |
30 |
Correct |
2 ms |
256 KB |
Output is correct |
31 |
Correct |
2 ms |
384 KB |
Output is correct |
32 |
Correct |
2 ms |
384 KB |
Output is correct |
33 |
Correct |
2 ms |
384 KB |
Output is correct |
34 |
Correct |
2 ms |
384 KB |
Output is correct |
35 |
Correct |
2 ms |
384 KB |
Output is correct |
36 |
Correct |
2 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
3 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
3 ms |
256 KB |
Output is correct |
6 |
Correct |
2 ms |
256 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
3 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
3 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
3 ms |
256 KB |
Output is correct |
14 |
Correct |
2 ms |
384 KB |
Output is correct |
15 |
Correct |
3 ms |
384 KB |
Output is correct |
16 |
Correct |
3 ms |
384 KB |
Output is correct |
17 |
Correct |
2 ms |
256 KB |
Output is correct |
18 |
Correct |
2 ms |
256 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
3 ms |
384 KB |
Output is correct |
22 |
Correct |
2 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
2 ms |
384 KB |
Output is correct |
25 |
Correct |
3 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
300 KB |
Output is correct |
27 |
Correct |
2 ms |
384 KB |
Output is correct |
28 |
Correct |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
2 ms |
384 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
3 ms |
384 KB |
Output is correct |
32 |
Correct |
3 ms |
384 KB |
Output is correct |
33 |
Correct |
2 ms |
384 KB |
Output is correct |
34 |
Correct |
3 ms |
384 KB |
Output is correct |
35 |
Correct |
3 ms |
384 KB |
Output is correct |
36 |
Correct |
2 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
256 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
3 ms |
412 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
3 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
3 ms |
384 KB |
Output is correct |
14 |
Correct |
2 ms |
384 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
2 ms |
256 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
256 KB |
Output is correct |
19 |
Correct |
3 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
3 ms |
384 KB |
Output is correct |
22 |
Correct |
3 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
4 ms |
380 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
4 ms |
384 KB |
Output is correct |
27 |
Correct |
12 ms |
384 KB |
Output is correct |
28 |
Correct |
25 ms |
384 KB |
Output is correct |
29 |
Correct |
24 ms |
384 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
9 ms |
384 KB |
Output is correct |
32 |
Correct |
16 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
3 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
256 KB |
Output is correct |
9 |
Correct |
2 ms |
256 KB |
Output is correct |
10 |
Correct |
3 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
3 ms |
256 KB |
Output is correct |
14 |
Correct |
2 ms |
384 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
3 ms |
384 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
384 KB |
Output is correct |
19 |
Correct |
2 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
2 ms |
384 KB |
Output is correct |
22 |
Correct |
3 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
2 ms |
384 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
384 KB |
Output is correct |
27 |
Correct |
2 ms |
384 KB |
Output is correct |
28 |
Correct |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
2 ms |
384 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
2 ms |
384 KB |
Output is correct |
32 |
Correct |
2 ms |
256 KB |
Output is correct |
33 |
Correct |
2 ms |
384 KB |
Output is correct |
34 |
Correct |
2 ms |
256 KB |
Output is correct |
35 |
Correct |
2 ms |
384 KB |
Output is correct |
36 |
Correct |
2 ms |
384 KB |
Output is correct |
37 |
Correct |
2 ms |
384 KB |
Output is correct |
38 |
Correct |
2 ms |
384 KB |
Output is correct |
39 |
Correct |
2 ms |
256 KB |
Output is correct |
40 |
Correct |
2 ms |
384 KB |
Output is correct |
41 |
Correct |
3 ms |
384 KB |
Output is correct |
42 |
Correct |
3 ms |
384 KB |
Output is correct |
43 |
Correct |
2 ms |
384 KB |
Output is correct |
44 |
Correct |
3 ms |
384 KB |
Output is correct |
45 |
Correct |
0 ms |
384 KB |
Output is correct |
46 |
Correct |
3 ms |
384 KB |
Output is correct |
47 |
Correct |
4 ms |
384 KB |
Output is correct |
48 |
Correct |
3 ms |
384 KB |
Output is correct |
49 |
Correct |
3 ms |
384 KB |
Output is correct |
50 |
Correct |
13 ms |
384 KB |
Output is correct |
51 |
Correct |
32 ms |
300 KB |
Output is correct |
52 |
Correct |
24 ms |
384 KB |
Output is correct |
53 |
Correct |
2 ms |
384 KB |
Output is correct |
54 |
Correct |
9 ms |
384 KB |
Output is correct |
55 |
Correct |
17 ms |
384 KB |
Output is correct |
56 |
Correct |
4 ms |
384 KB |
Output is correct |
57 |
Correct |
5 ms |
384 KB |
Output is correct |
58 |
Correct |
12 ms |
384 KB |
Output is correct |
59 |
Correct |
33 ms |
384 KB |
Output is correct |
60 |
Correct |
23 ms |
384 KB |
Output is correct |
61 |
Correct |
2 ms |
384 KB |
Output is correct |
62 |
Correct |
29 ms |
504 KB |
Output is correct |
63 |
Correct |
27 ms |
384 KB |
Output is correct |
64 |
Correct |
20 ms |
384 KB |
Output is correct |
65 |
Correct |
3 ms |
256 KB |
Output is correct |
66 |
Correct |
3 ms |
384 KB |
Output is correct |
67 |
Correct |
5 ms |
384 KB |
Output is correct |
68 |
Correct |
13 ms |
384 KB |
Output is correct |
69 |
Correct |
32 ms |
384 KB |
Output is correct |
70 |
Correct |
26 ms |
384 KB |
Output is correct |
71 |
Correct |
2 ms |
384 KB |
Output is correct |
72 |
Correct |
27 ms |
384 KB |
Output is correct |
73 |
Correct |
20 ms |
384 KB |
Output is correct |
74 |
Correct |
22 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
432 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
3 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
300 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
3 ms |
384 KB |
Output is correct |
14 |
Correct |
2 ms |
384 KB |
Output is correct |
15 |
Correct |
3 ms |
384 KB |
Output is correct |
16 |
Correct |
2 ms |
384 KB |
Output is correct |
17 |
Correct |
3 ms |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
384 KB |
Output is correct |
19 |
Correct |
3 ms |
384 KB |
Output is correct |
20 |
Correct |
3 ms |
384 KB |
Output is correct |
21 |
Correct |
3 ms |
384 KB |
Output is correct |
22 |
Correct |
2 ms |
256 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
2 ms |
256 KB |
Output is correct |
25 |
Correct |
2 ms |
256 KB |
Output is correct |
26 |
Correct |
2 ms |
384 KB |
Output is correct |
27 |
Correct |
2 ms |
384 KB |
Output is correct |
28 |
Correct |
3 ms |
384 KB |
Output is correct |
29 |
Correct |
3 ms |
384 KB |
Output is correct |
30 |
Correct |
3 ms |
384 KB |
Output is correct |
31 |
Correct |
3 ms |
256 KB |
Output is correct |
32 |
Correct |
4 ms |
384 KB |
Output is correct |
33 |
Correct |
3 ms |
384 KB |
Output is correct |
34 |
Correct |
4 ms |
256 KB |
Output is correct |
35 |
Correct |
4 ms |
384 KB |
Output is correct |
36 |
Correct |
4 ms |
384 KB |
Output is correct |
37 |
Correct |
11 ms |
384 KB |
Output is correct |
38 |
Correct |
29 ms |
384 KB |
Output is correct |
39 |
Correct |
27 ms |
384 KB |
Output is correct |
40 |
Correct |
3 ms |
300 KB |
Output is correct |
41 |
Correct |
10 ms |
384 KB |
Output is correct |
42 |
Correct |
20 ms |
384 KB |
Output is correct |
43 |
Correct |
4 ms |
384 KB |
Output is correct |
44 |
Correct |
5 ms |
384 KB |
Output is correct |
45 |
Correct |
12 ms |
384 KB |
Output is correct |
46 |
Correct |
23 ms |
384 KB |
Output is correct |
47 |
Correct |
24 ms |
512 KB |
Output is correct |
48 |
Correct |
2 ms |
384 KB |
Output is correct |
49 |
Correct |
27 ms |
384 KB |
Output is correct |
50 |
Correct |
27 ms |
416 KB |
Output is correct |
51 |
Correct |
6 ms |
384 KB |
Output is correct |
52 |
Correct |
14 ms |
384 KB |
Output is correct |
53 |
Correct |
23 ms |
384 KB |
Output is correct |
54 |
Correct |
41 ms |
384 KB |
Output is correct |
55 |
Correct |
37 ms |
384 KB |
Output is correct |
56 |
Correct |
138 ms |
384 KB |
Output is correct |
57 |
Correct |
164 ms |
404 KB |
Output is correct |
58 |
Correct |
140 ms |
404 KB |
Output is correct |
59 |
Correct |
126 ms |
396 KB |
Output is correct |
60 |
Correct |
145 ms |
408 KB |
Output is correct |
61 |
Correct |
7 ms |
384 KB |
Output is correct |
62 |
Correct |
21 ms |
384 KB |
Output is correct |
63 |
Correct |
39 ms |
504 KB |
Output is correct |
64 |
Correct |
35 ms |
384 KB |
Output is correct |
65 |
Correct |
69 ms |
392 KB |
Output is correct |
66 |
Correct |
95 ms |
384 KB |
Output is correct |
67 |
Correct |
131 ms |
384 KB |
Output is correct |
68 |
Correct |
132 ms |
504 KB |
Output is correct |
69 |
Correct |
133 ms |
416 KB |
Output is correct |