#include <bits/stdc++.h>
using namespace std ;
const int MAX = 2004 ;
int arr[MAX] ;
int n , a , b ;
long long mask , ans ;
int dp[MAX][MAX] ;
int solve(int idx , int groups)
{
if(groups > b)
return 0 ;
if(idx == n)
return (groups >= a && groups <= b) ;
int &ret = dp[idx][groups] ;
if(ret != -1)
return ret ;
ret = 0 ;
long long sum = 0 ;
for(int i = idx ; i < n ; ++i)
{
sum += arr[i] ;
if((sum & mask))
continue ;
ret |= solve(i+1 , groups+1) ;
}
return ret ;
}
bool check1()
{
memset(dp , -1 , sizeof(dp)) ;
return (solve(0 , 0) == 1) ;
}
void calc1()
{
for(int bit = 50 ; bit >= 0 ; --bit)
{
mask |= (1ll << bit) ;
if(!check1())
mask ^= (1ll << bit) , ans += (1ll << bit) ;
}
}
int dp2[MAX] ;
int solve2(int idx)
{
if(idx == n)
return 0 ;
int &ret = dp2[idx] ;
if(ret != -1)
return ret ;
ret = 1e9 ;
long long sum = 0 ;
for(int i = idx ; i < n ; ++i)
{
sum += arr[i] ;
if((sum & mask))
continue ;
ret = min(ret , solve2(i+1) + 1) ;
}
return ret ;
}
bool check2()
{
memset(dp2 , -1 , sizeof(dp2)) ;
return (solve2(0) <= b) ;
}
void calc2()
{
for(int bit = 50 ; bit >= 0 ; --bit)
{
mask |= (1ll << bit) ;
if(!check2())
mask ^= (1ll << bit) , ans += (1ll << bit) ;
}
}
int main()
{
ios_base::sync_with_stdio(0) ;
cin.tie(0) ;
cin>>n>>a>>b ;
for(int i = 0 ; i < n ; ++i)
cin>>arr[i] ;
if(a > 1)
calc1() ;
else
calc2() ;
return cout<<ans<<"\n" , 0 ;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
216 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
105 ms |
16020 KB |
Output is correct |
15 |
Correct |
104 ms |
16028 KB |
Output is correct |
16 |
Correct |
109 ms |
16020 KB |
Output is correct |
17 |
Correct |
106 ms |
15948 KB |
Output is correct |
18 |
Correct |
107 ms |
16012 KB |
Output is correct |
19 |
Correct |
109 ms |
15916 KB |
Output is correct |
20 |
Correct |
109 ms |
16020 KB |
Output is correct |
21 |
Correct |
107 ms |
16016 KB |
Output is correct |
22 |
Correct |
103 ms |
15948 KB |
Output is correct |
23 |
Correct |
103 ms |
16016 KB |
Output is correct |
24 |
Correct |
105 ms |
15948 KB |
Output is correct |
25 |
Correct |
102 ms |
16068 KB |
Output is correct |
26 |
Correct |
105 ms |
16024 KB |
Output is correct |
27 |
Correct |
0 ms |
204 KB |
Output is correct |
28 |
Correct |
0 ms |
204 KB |
Output is correct |
29 |
Correct |
1 ms |
332 KB |
Output is correct |
30 |
Correct |
1 ms |
204 KB |
Output is correct |
31 |
Correct |
1 ms |
332 KB |
Output is correct |
32 |
Correct |
0 ms |
204 KB |
Output is correct |
33 |
Correct |
0 ms |
204 KB |
Output is correct |
34 |
Correct |
1 ms |
204 KB |
Output is correct |
35 |
Correct |
1 ms |
204 KB |
Output is correct |
36 |
Correct |
0 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
102 ms |
15948 KB |
Output is correct |
15 |
Correct |
108 ms |
15948 KB |
Output is correct |
16 |
Correct |
102 ms |
15948 KB |
Output is correct |
17 |
Correct |
102 ms |
16068 KB |
Output is correct |
18 |
Correct |
103 ms |
16012 KB |
Output is correct |
19 |
Correct |
104 ms |
16032 KB |
Output is correct |
20 |
Correct |
103 ms |
15948 KB |
Output is correct |
21 |
Correct |
102 ms |
15948 KB |
Output is correct |
22 |
Correct |
102 ms |
15948 KB |
Output is correct |
23 |
Correct |
107 ms |
15948 KB |
Output is correct |
24 |
Correct |
101 ms |
16020 KB |
Output is correct |
25 |
Correct |
102 ms |
16012 KB |
Output is correct |
26 |
Correct |
102 ms |
16016 KB |
Output is correct |
27 |
Correct |
1 ms |
204 KB |
Output is correct |
28 |
Correct |
0 ms |
332 KB |
Output is correct |
29 |
Correct |
1 ms |
216 KB |
Output is correct |
30 |
Correct |
1 ms |
204 KB |
Output is correct |
31 |
Correct |
1 ms |
204 KB |
Output is correct |
32 |
Correct |
1 ms |
204 KB |
Output is correct |
33 |
Correct |
1 ms |
204 KB |
Output is correct |
34 |
Correct |
1 ms |
204 KB |
Output is correct |
35 |
Correct |
1 ms |
332 KB |
Output is correct |
36 |
Correct |
1 ms |
204 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
0 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
1 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
204 KB |
Output is correct |
22 |
Correct |
1 ms |
204 KB |
Output is correct |
23 |
Correct |
1 ms |
204 KB |
Output is correct |
24 |
Correct |
1 ms |
204 KB |
Output is correct |
25 |
Correct |
1 ms |
204 KB |
Output is correct |
26 |
Correct |
1 ms |
332 KB |
Output is correct |
27 |
Correct |
1 ms |
232 KB |
Output is correct |
28 |
Correct |
2 ms |
332 KB |
Output is correct |
29 |
Correct |
2 ms |
204 KB |
Output is correct |
30 |
Correct |
2 ms |
204 KB |
Output is correct |
31 |
Correct |
2 ms |
204 KB |
Output is correct |
32 |
Correct |
2 ms |
204 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
324 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
105 ms |
15948 KB |
Output is correct |
15 |
Correct |
105 ms |
16016 KB |
Output is correct |
16 |
Correct |
102 ms |
15948 KB |
Output is correct |
17 |
Correct |
101 ms |
15948 KB |
Output is correct |
18 |
Correct |
103 ms |
15948 KB |
Output is correct |
19 |
Correct |
103 ms |
16016 KB |
Output is correct |
20 |
Correct |
108 ms |
15948 KB |
Output is correct |
21 |
Correct |
103 ms |
16020 KB |
Output is correct |
22 |
Correct |
103 ms |
15948 KB |
Output is correct |
23 |
Correct |
101 ms |
15948 KB |
Output is correct |
24 |
Correct |
102 ms |
16016 KB |
Output is correct |
25 |
Correct |
100 ms |
16068 KB |
Output is correct |
26 |
Correct |
101 ms |
16012 KB |
Output is correct |
27 |
Correct |
0 ms |
204 KB |
Output is correct |
28 |
Correct |
0 ms |
332 KB |
Output is correct |
29 |
Correct |
0 ms |
204 KB |
Output is correct |
30 |
Correct |
1 ms |
204 KB |
Output is correct |
31 |
Correct |
0 ms |
204 KB |
Output is correct |
32 |
Correct |
0 ms |
332 KB |
Output is correct |
33 |
Correct |
1 ms |
204 KB |
Output is correct |
34 |
Correct |
1 ms |
204 KB |
Output is correct |
35 |
Correct |
0 ms |
204 KB |
Output is correct |
36 |
Correct |
1 ms |
332 KB |
Output is correct |
37 |
Correct |
1 ms |
204 KB |
Output is correct |
38 |
Correct |
1 ms |
204 KB |
Output is correct |
39 |
Correct |
1 ms |
204 KB |
Output is correct |
40 |
Correct |
1 ms |
204 KB |
Output is correct |
41 |
Correct |
1 ms |
332 KB |
Output is correct |
42 |
Correct |
1 ms |
204 KB |
Output is correct |
43 |
Correct |
1 ms |
204 KB |
Output is correct |
44 |
Correct |
1 ms |
204 KB |
Output is correct |
45 |
Correct |
1 ms |
204 KB |
Output is correct |
46 |
Correct |
1 ms |
204 KB |
Output is correct |
47 |
Correct |
1 ms |
204 KB |
Output is correct |
48 |
Correct |
1 ms |
204 KB |
Output is correct |
49 |
Correct |
1 ms |
204 KB |
Output is correct |
50 |
Correct |
1 ms |
332 KB |
Output is correct |
51 |
Correct |
2 ms |
332 KB |
Output is correct |
52 |
Correct |
2 ms |
272 KB |
Output is correct |
53 |
Correct |
2 ms |
332 KB |
Output is correct |
54 |
Correct |
2 ms |
204 KB |
Output is correct |
55 |
Correct |
2 ms |
204 KB |
Output is correct |
56 |
Correct |
1 ms |
204 KB |
Output is correct |
57 |
Correct |
1 ms |
204 KB |
Output is correct |
58 |
Correct |
1 ms |
204 KB |
Output is correct |
59 |
Correct |
1 ms |
204 KB |
Output is correct |
60 |
Correct |
1 ms |
204 KB |
Output is correct |
61 |
Correct |
1 ms |
204 KB |
Output is correct |
62 |
Correct |
1 ms |
204 KB |
Output is correct |
63 |
Correct |
2 ms |
384 KB |
Output is correct |
64 |
Correct |
143 ms |
15948 KB |
Output is correct |
65 |
Correct |
103 ms |
16012 KB |
Output is correct |
66 |
Correct |
104 ms |
15948 KB |
Output is correct |
67 |
Correct |
108 ms |
15948 KB |
Output is correct |
68 |
Correct |
117 ms |
16016 KB |
Output is correct |
69 |
Correct |
126 ms |
15948 KB |
Output is correct |
70 |
Correct |
123 ms |
15948 KB |
Output is correct |
71 |
Correct |
103 ms |
16020 KB |
Output is correct |
72 |
Correct |
126 ms |
16020 KB |
Output is correct |
73 |
Correct |
131 ms |
16072 KB |
Output is correct |
74 |
Correct |
129 ms |
15948 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
332 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
1 ms |
204 KB |
Output is correct |
19 |
Correct |
0 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
204 KB |
Output is correct |
21 |
Correct |
0 ms |
204 KB |
Output is correct |
22 |
Correct |
1 ms |
332 KB |
Output is correct |
23 |
Correct |
1 ms |
204 KB |
Output is correct |
24 |
Correct |
1 ms |
332 KB |
Output is correct |
25 |
Correct |
1 ms |
204 KB |
Output is correct |
26 |
Correct |
1 ms |
332 KB |
Output is correct |
27 |
Correct |
1 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
332 KB |
Output is correct |
29 |
Correct |
1 ms |
204 KB |
Output is correct |
30 |
Correct |
1 ms |
332 KB |
Output is correct |
31 |
Correct |
1 ms |
332 KB |
Output is correct |
32 |
Correct |
1 ms |
204 KB |
Output is correct |
33 |
Correct |
1 ms |
332 KB |
Output is correct |
34 |
Correct |
1 ms |
332 KB |
Output is correct |
35 |
Correct |
1 ms |
204 KB |
Output is correct |
36 |
Correct |
1 ms |
204 KB |
Output is correct |
37 |
Correct |
1 ms |
332 KB |
Output is correct |
38 |
Correct |
2 ms |
332 KB |
Output is correct |
39 |
Correct |
2 ms |
204 KB |
Output is correct |
40 |
Correct |
2 ms |
204 KB |
Output is correct |
41 |
Correct |
2 ms |
204 KB |
Output is correct |
42 |
Correct |
2 ms |
204 KB |
Output is correct |
43 |
Correct |
1 ms |
332 KB |
Output is correct |
44 |
Correct |
1 ms |
204 KB |
Output is correct |
45 |
Correct |
1 ms |
332 KB |
Output is correct |
46 |
Correct |
1 ms |
204 KB |
Output is correct |
47 |
Correct |
1 ms |
460 KB |
Output is correct |
48 |
Correct |
1 ms |
204 KB |
Output is correct |
49 |
Correct |
1 ms |
204 KB |
Output is correct |
50 |
Correct |
1 ms |
204 KB |
Output is correct |
51 |
Correct |
1 ms |
204 KB |
Output is correct |
52 |
Correct |
18 ms |
352 KB |
Output is correct |
53 |
Correct |
23 ms |
368 KB |
Output is correct |
54 |
Correct |
65 ms |
372 KB |
Output is correct |
55 |
Correct |
50 ms |
332 KB |
Output is correct |
56 |
Correct |
154 ms |
332 KB |
Output is correct |
57 |
Correct |
148 ms |
332 KB |
Output is correct |
58 |
Correct |
163 ms |
332 KB |
Output is correct |
59 |
Correct |
189 ms |
428 KB |
Output is correct |
60 |
Correct |
174 ms |
332 KB |
Output is correct |
61 |
Correct |
1 ms |
332 KB |
Output is correct |
62 |
Correct |
24 ms |
332 KB |
Output is correct |
63 |
Correct |
63 ms |
368 KB |
Output is correct |
64 |
Correct |
40 ms |
332 KB |
Output is correct |
65 |
Correct |
75 ms |
392 KB |
Output is correct |
66 |
Correct |
112 ms |
332 KB |
Output is correct |
67 |
Correct |
149 ms |
452 KB |
Output is correct |
68 |
Correct |
235 ms |
428 KB |
Output is correct |
69 |
Correct |
144 ms |
420 KB |
Output is correct |