#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define mem(x, y) memset(& x, y, sizeof(x))
#define all(x) begin(x), end(x)
#define SZ(x) (int)(x).size()
using namespace std;
const int n0=2003,n1=103;
int n,a,b,dp[n1][n1];
ll v[n0],ans;
int d[n0];
bitset<n0> g[n0];
queue<int> q;
int bfs(int s) {
mem(d,0x3f);
d[s]=0;
q.push(s);
while(!q.empty()) {
int v=q.front();q.pop();
for(int i=0; i<=n; i++) {
if(g[v][i] && d[i]>n0) {
d[i]=d[v]+1;
q.push(i);
}
}
}
return d[n];
}
bool ok(ll x) {
if(n<n1) {
mem(dp,0);
dp[0][0]=1;
for(int i=1; i<=b; i++) {
for(int j=i; j<=n; j++) {
for(int k=0; k<j; k++) {
ll s=v[j]-v[k];
if((s&x)!=s || !dp[i-1][k]) continue;
dp[i][j]=1;
break;
}
}
if(i>=a && dp[i][n]) return 1;
}
return 0;
} else {
assert(a==1);
for(int i=0; i<=n; i++) g[i].reset();
for(int i=0; i<=n; i++) {
for(int j=i+1; j<=n; j++) {
ll s=v[j]-v[i];
if((s&x)==s) {
g[i][j]=1;
}
}
}
return bfs(0)<=b;
}
}
int main() {
ios_base::sync_with_stdio(0), cin.tie(0);
cin >> n >> a >> b;
for(int i=1; i<=n; i++) cin >> v[i],v[i]+=v[i-1];
for(int i=45; i>=0; i--) {
ll t=(1ll<<i)-1;
if(!ok(ans|t)) ans|=1ll<<i;
}
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 |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
404 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 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 |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
42 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
27 |
Correct |
1 ms |
364 KB |
Output is correct |
28 |
Correct |
1 ms |
364 KB |
Output is correct |
29 |
Correct |
33 ms |
364 KB |
Output is correct |
30 |
Correct |
1 ms |
384 KB |
Output is correct |
31 |
Correct |
78 ms |
364 KB |
Output is correct |
32 |
Correct |
1 ms |
364 KB |
Output is correct |
33 |
Correct |
1 ms |
364 KB |
Output is correct |
34 |
Correct |
1 ms |
364 KB |
Output is correct |
35 |
Correct |
1 ms |
364 KB |
Output is correct |
36 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
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 |
1 ms |
504 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 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 |
40 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
512 KB |
Output is correct |
24 |
Correct |
41 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
27 |
Correct |
31 ms |
364 KB |
Output is correct |
28 |
Correct |
40 ms |
364 KB |
Output is correct |
29 |
Correct |
1 ms |
364 KB |
Output is correct |
30 |
Correct |
33 ms |
364 KB |
Output is correct |
31 |
Correct |
1 ms |
364 KB |
Output is correct |
32 |
Correct |
1 ms |
364 KB |
Output is correct |
33 |
Correct |
42 ms |
364 KB |
Output is correct |
34 |
Correct |
85 ms |
364 KB |
Output is correct |
35 |
Correct |
1 ms |
492 KB |
Output is correct |
36 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
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 |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
43 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 |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
42 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
42 ms |
364 KB |
Output is correct |
25 |
Correct |
83 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
27 |
Correct |
3 ms |
364 KB |
Output is correct |
28 |
Correct |
3 ms |
364 KB |
Output is correct |
29 |
Correct |
4 ms |
364 KB |
Output is correct |
30 |
Correct |
1 ms |
364 KB |
Output is correct |
31 |
Correct |
3 ms |
364 KB |
Output is correct |
32 |
Correct |
85 ms |
492 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
74 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 |
45 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
396 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 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 |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
45 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 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 |
364 KB |
Output is correct |
30 |
Correct |
1 ms |
364 KB |
Output is correct |
31 |
Correct |
1 ms |
364 KB |
Output is correct |
32 |
Correct |
1 ms |
364 KB |
Output is correct |
33 |
Correct |
1 ms |
364 KB |
Output is correct |
34 |
Correct |
1 ms |
364 KB |
Output is correct |
35 |
Correct |
1 ms |
364 KB |
Output is correct |
36 |
Correct |
1 ms |
364 KB |
Output is correct |
37 |
Correct |
1 ms |
364 KB |
Output is correct |
38 |
Correct |
1 ms |
364 KB |
Output is correct |
39 |
Correct |
43 ms |
364 KB |
Output is correct |
40 |
Correct |
1 ms |
364 KB |
Output is correct |
41 |
Correct |
1 ms |
364 KB |
Output is correct |
42 |
Correct |
1 ms |
364 KB |
Output is correct |
43 |
Correct |
1 ms |
364 KB |
Output is correct |
44 |
Correct |
1 ms |
364 KB |
Output is correct |
45 |
Correct |
1 ms |
364 KB |
Output is correct |
46 |
Correct |
1 ms |
364 KB |
Output is correct |
47 |
Correct |
1 ms |
364 KB |
Output is correct |
48 |
Correct |
1 ms |
364 KB |
Output is correct |
49 |
Correct |
1 ms |
364 KB |
Output is correct |
50 |
Correct |
3 ms |
364 KB |
Output is correct |
51 |
Correct |
3 ms |
364 KB |
Output is correct |
52 |
Correct |
5 ms |
364 KB |
Output is correct |
53 |
Correct |
1 ms |
492 KB |
Output is correct |
54 |
Correct |
3 ms |
364 KB |
Output is correct |
55 |
Correct |
3 ms |
364 KB |
Output is correct |
56 |
Correct |
2 ms |
364 KB |
Output is correct |
57 |
Correct |
4 ms |
364 KB |
Output is correct |
58 |
Correct |
9 ms |
364 KB |
Output is correct |
59 |
Correct |
85 ms |
364 KB |
Output is correct |
60 |
Correct |
15 ms |
492 KB |
Output is correct |
61 |
Correct |
1 ms |
364 KB |
Output is correct |
62 |
Correct |
14 ms |
364 KB |
Output is correct |
63 |
Correct |
14 ms |
364 KB |
Output is correct |
64 |
Correct |
7 ms |
364 KB |
Output is correct |
65 |
Correct |
2 ms |
364 KB |
Output is correct |
66 |
Correct |
2 ms |
364 KB |
Output is correct |
67 |
Correct |
6 ms |
364 KB |
Output is correct |
68 |
Correct |
10 ms |
364 KB |
Output is correct |
69 |
Correct |
19 ms |
364 KB |
Output is correct |
70 |
Correct |
18 ms |
448 KB |
Output is correct |
71 |
Correct |
1 ms |
364 KB |
Output is correct |
72 |
Correct |
15 ms |
364 KB |
Output is correct |
73 |
Correct |
16 ms |
364 KB |
Output is correct |
74 |
Correct |
14 ms |
364 KB |
Output is correct |
# |
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 |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 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 |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
384 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 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 |
364 KB |
Output is correct |
30 |
Correct |
1 ms |
364 KB |
Output is correct |
31 |
Correct |
1 ms |
364 KB |
Output is correct |
32 |
Correct |
1 ms |
364 KB |
Output is correct |
33 |
Correct |
1 ms |
384 KB |
Output is correct |
34 |
Correct |
1 ms |
364 KB |
Output is correct |
35 |
Correct |
1 ms |
364 KB |
Output is correct |
36 |
Correct |
1 ms |
364 KB |
Output is correct |
37 |
Correct |
3 ms |
364 KB |
Output is correct |
38 |
Correct |
3 ms |
364 KB |
Output is correct |
39 |
Correct |
4 ms |
364 KB |
Output is correct |
40 |
Correct |
1 ms |
364 KB |
Output is correct |
41 |
Correct |
4 ms |
364 KB |
Output is correct |
42 |
Correct |
3 ms |
364 KB |
Output is correct |
43 |
Correct |
2 ms |
364 KB |
Output is correct |
44 |
Correct |
4 ms |
364 KB |
Output is correct |
45 |
Correct |
9 ms |
364 KB |
Output is correct |
46 |
Correct |
14 ms |
364 KB |
Output is correct |
47 |
Correct |
14 ms |
364 KB |
Output is correct |
48 |
Correct |
1 ms |
364 KB |
Output is correct |
49 |
Correct |
15 ms |
364 KB |
Output is correct |
50 |
Correct |
15 ms |
364 KB |
Output is correct |
51 |
Correct |
5 ms |
364 KB |
Output is correct |
52 |
Correct |
43 ms |
492 KB |
Output is correct |
53 |
Correct |
47 ms |
620 KB |
Output is correct |
54 |
Correct |
179 ms |
620 KB |
Output is correct |
55 |
Correct |
135 ms |
620 KB |
Output is correct |
56 |
Correct |
336 ms |
876 KB |
Output is correct |
57 |
Correct |
326 ms |
1004 KB |
Output is correct |
58 |
Correct |
408 ms |
876 KB |
Output is correct |
59 |
Correct |
534 ms |
1004 KB |
Output is correct |
60 |
Correct |
384 ms |
1004 KB |
Output is correct |
61 |
Correct |
5 ms |
364 KB |
Output is correct |
62 |
Correct |
52 ms |
748 KB |
Output is correct |
63 |
Correct |
181 ms |
620 KB |
Output is correct |
64 |
Correct |
88 ms |
620 KB |
Output is correct |
65 |
Correct |
163 ms |
748 KB |
Output is correct |
66 |
Correct |
249 ms |
1004 KB |
Output is correct |
67 |
Correct |
328 ms |
1004 KB |
Output is correct |
68 |
Correct |
705 ms |
1004 KB |
Output is correct |
69 |
Correct |
323 ms |
876 KB |
Output is correct |