#include<stdio.h>
#include<string.h>
int y[2001];
long long s[2001];
bool t1[2001][2001];
bool t2[2001][2001];
long long min(long long a, long long b){if(a<b)return a; return b;}
bool chk();
int n, a, b;
int main()
{
int i, j;
scanf("%d%d%d", &n, &a, &b);
for(i=1; i<=n; i++)scanf("%d", y+i);
for(i=1; i<=n; i++) s[i] = s[i-1] + y[i];
for(i=1; i<=n; i++)for(j=i; j<=n; j++) t1[i][j] = true;
long long ans = 0;
for(int B=50; B>=0; B--)
{
for(i=1; i<=n; i++)for(j=1; j<=n; j++) t2[i][j] = t1[i][j];
for(i=1; i<=n; i++) for(j=i; j<=n; j++) if( ((s[j] - s[i-1])&(1ll<<B)) != 0 ) t2[i][j] = false;
if(chk())
{
for(i=1; i<=n; i++)for(j=1; j<=n; j++) t1[i][j] = t2[i][j];
}
else ans += (1ll<<B);
}
printf("%lld\n", ans);
return 0;
}
bool chk1();
bool chk2();
bool chk()
{
if(a!=1) return chk1();
else return chk2();
}
bool dp[101][101];
bool chk1()
{
int i, j, k;
memset(dp, 0, sizeof(dp));
dp[0][0] = true;
for(i=0; i<b; i++)for(j=0; j<n; j++)
{
if(!dp[i][j]) continue;
for(k=j+1; k<=n; k++)
{
if(t2[j+1][k] == true) dp[i+1][k] = true;
}
}
for(i=a; i<=b; i++) if(dp[i][n]) return true;
return false;
}
int d[2001];
bool chk2()
{
int i, j;
for(i=1; i<=n; i++) d[i] = 10000;
for(i=0; i<n; i++)
{
for(j=i+1; j<=n; j++) if(t2[i+1][j]) d[j] = min(d[j], d[i]+1);
}
return d[n]<=b;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
8944 KB |
Output is correct |
2 |
Correct |
0 ms |
8944 KB |
Output is correct |
3 |
Correct |
0 ms |
8944 KB |
Output is correct |
4 |
Correct |
0 ms |
8944 KB |
Output is correct |
5 |
Correct |
0 ms |
8944 KB |
Output is correct |
6 |
Correct |
0 ms |
8944 KB |
Output is correct |
7 |
Correct |
0 ms |
8944 KB |
Output is correct |
8 |
Correct |
0 ms |
8944 KB |
Output is correct |
9 |
Correct |
0 ms |
8944 KB |
Output is correct |
10 |
Correct |
0 ms |
8944 KB |
Output is correct |
11 |
Correct |
0 ms |
8944 KB |
Output is correct |
12 |
Correct |
0 ms |
8944 KB |
Output is correct |
13 |
Correct |
0 ms |
8944 KB |
Output is correct |
14 |
Correct |
0 ms |
8944 KB |
Output is correct |
15 |
Correct |
0 ms |
8944 KB |
Output is correct |
16 |
Correct |
0 ms |
8944 KB |
Output is correct |
17 |
Correct |
0 ms |
8944 KB |
Output is correct |
18 |
Correct |
0 ms |
8944 KB |
Output is correct |
19 |
Correct |
0 ms |
8944 KB |
Output is correct |
20 |
Correct |
0 ms |
8944 KB |
Output is correct |
21 |
Correct |
0 ms |
8944 KB |
Output is correct |
22 |
Correct |
0 ms |
8944 KB |
Output is correct |
23 |
Correct |
0 ms |
8944 KB |
Output is correct |
24 |
Correct |
0 ms |
8944 KB |
Output is correct |
25 |
Correct |
0 ms |
8944 KB |
Output is correct |
26 |
Correct |
0 ms |
8944 KB |
Output is correct |
27 |
Correct |
0 ms |
8944 KB |
Output is correct |
28 |
Correct |
0 ms |
8944 KB |
Output is correct |
29 |
Correct |
0 ms |
8944 KB |
Output is correct |
30 |
Correct |
0 ms |
8944 KB |
Output is correct |
31 |
Correct |
0 ms |
8944 KB |
Output is correct |
32 |
Correct |
0 ms |
8944 KB |
Output is correct |
33 |
Correct |
0 ms |
8944 KB |
Output is correct |
34 |
Correct |
0 ms |
8944 KB |
Output is correct |
35 |
Correct |
0 ms |
8944 KB |
Output is correct |
36 |
Correct |
0 ms |
8944 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
8944 KB |
Output is correct |
2 |
Correct |
0 ms |
8944 KB |
Output is correct |
3 |
Correct |
0 ms |
8944 KB |
Output is correct |
4 |
Correct |
0 ms |
8944 KB |
Output is correct |
5 |
Correct |
0 ms |
8944 KB |
Output is correct |
6 |
Correct |
0 ms |
8944 KB |
Output is correct |
7 |
Correct |
0 ms |
8944 KB |
Output is correct |
8 |
Correct |
0 ms |
8944 KB |
Output is correct |
9 |
Correct |
0 ms |
8944 KB |
Output is correct |
10 |
Correct |
0 ms |
8944 KB |
Output is correct |
11 |
Correct |
0 ms |
8944 KB |
Output is correct |
12 |
Correct |
0 ms |
8944 KB |
Output is correct |
13 |
Correct |
0 ms |
8944 KB |
Output is correct |
14 |
Correct |
0 ms |
8944 KB |
Output is correct |
15 |
Correct |
0 ms |
8944 KB |
Output is correct |
16 |
Correct |
0 ms |
8944 KB |
Output is correct |
17 |
Correct |
0 ms |
8944 KB |
Output is correct |
18 |
Correct |
0 ms |
8944 KB |
Output is correct |
19 |
Correct |
0 ms |
8944 KB |
Output is correct |
20 |
Correct |
0 ms |
8944 KB |
Output is correct |
21 |
Correct |
0 ms |
8944 KB |
Output is correct |
22 |
Correct |
0 ms |
8944 KB |
Output is correct |
23 |
Correct |
1 ms |
8944 KB |
Output is correct |
24 |
Correct |
0 ms |
8944 KB |
Output is correct |
25 |
Correct |
0 ms |
8944 KB |
Output is correct |
26 |
Correct |
0 ms |
8944 KB |
Output is correct |
27 |
Correct |
0 ms |
8944 KB |
Output is correct |
28 |
Correct |
0 ms |
8944 KB |
Output is correct |
29 |
Correct |
1 ms |
8944 KB |
Output is correct |
30 |
Correct |
0 ms |
8944 KB |
Output is correct |
31 |
Correct |
0 ms |
8944 KB |
Output is correct |
32 |
Correct |
0 ms |
8944 KB |
Output is correct |
33 |
Correct |
0 ms |
8944 KB |
Output is correct |
34 |
Correct |
0 ms |
8944 KB |
Output is correct |
35 |
Correct |
0 ms |
8944 KB |
Output is correct |
36 |
Correct |
0 ms |
8944 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
8944 KB |
Output is correct |
2 |
Correct |
0 ms |
8944 KB |
Output is correct |
3 |
Correct |
0 ms |
8944 KB |
Output is correct |
4 |
Correct |
0 ms |
8944 KB |
Output is correct |
5 |
Correct |
0 ms |
8944 KB |
Output is correct |
6 |
Correct |
0 ms |
8944 KB |
Output is correct |
7 |
Correct |
0 ms |
8944 KB |
Output is correct |
8 |
Correct |
0 ms |
8944 KB |
Output is correct |
9 |
Correct |
0 ms |
8944 KB |
Output is correct |
10 |
Correct |
0 ms |
8944 KB |
Output is correct |
11 |
Correct |
0 ms |
8944 KB |
Output is correct |
12 |
Correct |
0 ms |
8944 KB |
Output is correct |
13 |
Correct |
0 ms |
8944 KB |
Output is correct |
14 |
Correct |
0 ms |
8944 KB |
Output is correct |
15 |
Correct |
0 ms |
8944 KB |
Output is correct |
16 |
Correct |
1 ms |
8944 KB |
Output is correct |
17 |
Correct |
0 ms |
8944 KB |
Output is correct |
18 |
Correct |
1 ms |
8944 KB |
Output is correct |
19 |
Correct |
0 ms |
8944 KB |
Output is correct |
20 |
Correct |
0 ms |
8944 KB |
Output is correct |
21 |
Correct |
0 ms |
8944 KB |
Output is correct |
22 |
Correct |
0 ms |
8944 KB |
Output is correct |
23 |
Correct |
1 ms |
8944 KB |
Output is correct |
24 |
Correct |
0 ms |
8944 KB |
Output is correct |
25 |
Correct |
1 ms |
8944 KB |
Output is correct |
26 |
Correct |
0 ms |
8944 KB |
Output is correct |
27 |
Correct |
0 ms |
8944 KB |
Output is correct |
28 |
Correct |
0 ms |
8944 KB |
Output is correct |
29 |
Correct |
2 ms |
8944 KB |
Output is correct |
30 |
Correct |
2 ms |
8944 KB |
Output is correct |
31 |
Correct |
3 ms |
8944 KB |
Output is correct |
32 |
Correct |
2 ms |
8944 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
8944 KB |
Output is correct |
2 |
Correct |
0 ms |
8944 KB |
Output is correct |
3 |
Correct |
0 ms |
8944 KB |
Output is correct |
4 |
Correct |
0 ms |
8944 KB |
Output is correct |
5 |
Correct |
0 ms |
8944 KB |
Output is correct |
6 |
Correct |
0 ms |
8944 KB |
Output is correct |
7 |
Correct |
0 ms |
8944 KB |
Output is correct |
8 |
Correct |
0 ms |
8944 KB |
Output is correct |
9 |
Correct |
0 ms |
8944 KB |
Output is correct |
10 |
Correct |
0 ms |
8944 KB |
Output is correct |
11 |
Correct |
0 ms |
8944 KB |
Output is correct |
12 |
Correct |
0 ms |
8944 KB |
Output is correct |
13 |
Correct |
0 ms |
8944 KB |
Output is correct |
14 |
Correct |
0 ms |
8944 KB |
Output is correct |
15 |
Correct |
0 ms |
8944 KB |
Output is correct |
16 |
Correct |
0 ms |
8944 KB |
Output is correct |
17 |
Correct |
0 ms |
8944 KB |
Output is correct |
18 |
Correct |
0 ms |
8944 KB |
Output is correct |
19 |
Correct |
0 ms |
8944 KB |
Output is correct |
20 |
Correct |
0 ms |
8944 KB |
Output is correct |
21 |
Correct |
0 ms |
8944 KB |
Output is correct |
22 |
Correct |
0 ms |
8944 KB |
Output is correct |
23 |
Correct |
0 ms |
8944 KB |
Output is correct |
24 |
Correct |
0 ms |
8944 KB |
Output is correct |
25 |
Correct |
0 ms |
8944 KB |
Output is correct |
26 |
Correct |
0 ms |
8944 KB |
Output is correct |
27 |
Correct |
0 ms |
8944 KB |
Output is correct |
28 |
Correct |
0 ms |
8944 KB |
Output is correct |
29 |
Correct |
0 ms |
8944 KB |
Output is correct |
30 |
Correct |
0 ms |
8944 KB |
Output is correct |
31 |
Correct |
0 ms |
8944 KB |
Output is correct |
32 |
Correct |
0 ms |
8944 KB |
Output is correct |
33 |
Correct |
0 ms |
8944 KB |
Output is correct |
34 |
Correct |
0 ms |
8944 KB |
Output is correct |
35 |
Correct |
0 ms |
8944 KB |
Output is correct |
36 |
Correct |
0 ms |
8944 KB |
Output is correct |
37 |
Correct |
0 ms |
8944 KB |
Output is correct |
38 |
Correct |
0 ms |
8944 KB |
Output is correct |
39 |
Correct |
0 ms |
8944 KB |
Output is correct |
40 |
Correct |
0 ms |
8944 KB |
Output is correct |
41 |
Correct |
0 ms |
8944 KB |
Output is correct |
42 |
Correct |
1 ms |
8944 KB |
Output is correct |
43 |
Correct |
0 ms |
8944 KB |
Output is correct |
44 |
Correct |
0 ms |
8944 KB |
Output is correct |
45 |
Correct |
0 ms |
8944 KB |
Output is correct |
46 |
Correct |
0 ms |
8944 KB |
Output is correct |
47 |
Correct |
0 ms |
8944 KB |
Output is correct |
48 |
Correct |
0 ms |
8944 KB |
Output is correct |
49 |
Correct |
2 ms |
8944 KB |
Output is correct |
50 |
Correct |
2 ms |
8944 KB |
Output is correct |
51 |
Correct |
0 ms |
8944 KB |
Output is correct |
52 |
Correct |
0 ms |
8944 KB |
Output is correct |
53 |
Correct |
2 ms |
8944 KB |
Output is correct |
54 |
Correct |
0 ms |
8944 KB |
Output is correct |
55 |
Correct |
0 ms |
8944 KB |
Output is correct |
56 |
Correct |
0 ms |
8944 KB |
Output is correct |
57 |
Correct |
0 ms |
8944 KB |
Output is correct |
58 |
Correct |
0 ms |
8944 KB |
Output is correct |
59 |
Correct |
0 ms |
8944 KB |
Output is correct |
60 |
Correct |
0 ms |
8944 KB |
Output is correct |
61 |
Correct |
2 ms |
8944 KB |
Output is correct |
62 |
Correct |
2 ms |
8944 KB |
Output is correct |
63 |
Correct |
2 ms |
8944 KB |
Output is correct |
64 |
Correct |
11 ms |
8944 KB |
Output is correct |
65 |
Correct |
0 ms |
8944 KB |
Output is correct |
66 |
Correct |
2 ms |
8944 KB |
Output is correct |
67 |
Correct |
0 ms |
8944 KB |
Output is correct |
68 |
Correct |
3 ms |
8944 KB |
Output is correct |
69 |
Correct |
8 ms |
8944 KB |
Output is correct |
70 |
Correct |
7 ms |
8944 KB |
Output is correct |
71 |
Correct |
2 ms |
8944 KB |
Output is correct |
72 |
Correct |
8 ms |
8944 KB |
Output is correct |
73 |
Correct |
8 ms |
8944 KB |
Output is correct |
74 |
Correct |
8 ms |
8944 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
8944 KB |
Output is correct |
2 |
Correct |
0 ms |
8944 KB |
Output is correct |
3 |
Correct |
0 ms |
8944 KB |
Output is correct |
4 |
Correct |
0 ms |
8944 KB |
Output is correct |
5 |
Correct |
0 ms |
8944 KB |
Output is correct |
6 |
Correct |
0 ms |
8944 KB |
Output is correct |
7 |
Correct |
0 ms |
8944 KB |
Output is correct |
8 |
Correct |
0 ms |
8944 KB |
Output is correct |
9 |
Correct |
0 ms |
8944 KB |
Output is correct |
10 |
Correct |
0 ms |
8944 KB |
Output is correct |
11 |
Correct |
0 ms |
8944 KB |
Output is correct |
12 |
Correct |
0 ms |
8944 KB |
Output is correct |
13 |
Correct |
0 ms |
8944 KB |
Output is correct |
14 |
Correct |
0 ms |
8944 KB |
Output is correct |
15 |
Correct |
0 ms |
8944 KB |
Output is correct |
16 |
Correct |
0 ms |
8944 KB |
Output is correct |
17 |
Correct |
0 ms |
8944 KB |
Output is correct |
18 |
Correct |
0 ms |
8944 KB |
Output is correct |
19 |
Correct |
0 ms |
8944 KB |
Output is correct |
20 |
Correct |
0 ms |
8944 KB |
Output is correct |
21 |
Correct |
0 ms |
8944 KB |
Output is correct |
22 |
Correct |
0 ms |
8944 KB |
Output is correct |
23 |
Correct |
0 ms |
8944 KB |
Output is correct |
24 |
Correct |
0 ms |
8944 KB |
Output is correct |
25 |
Correct |
0 ms |
8944 KB |
Output is correct |
26 |
Correct |
0 ms |
8944 KB |
Output is correct |
27 |
Correct |
0 ms |
8944 KB |
Output is correct |
28 |
Correct |
0 ms |
8944 KB |
Output is correct |
29 |
Correct |
0 ms |
8944 KB |
Output is correct |
30 |
Correct |
0 ms |
8944 KB |
Output is correct |
31 |
Correct |
0 ms |
8944 KB |
Output is correct |
32 |
Correct |
0 ms |
8944 KB |
Output is correct |
33 |
Correct |
0 ms |
8944 KB |
Output is correct |
34 |
Correct |
0 ms |
8944 KB |
Output is correct |
35 |
Correct |
0 ms |
8944 KB |
Output is correct |
36 |
Correct |
2 ms |
8944 KB |
Output is correct |
37 |
Correct |
0 ms |
8944 KB |
Output is correct |
38 |
Correct |
3 ms |
8944 KB |
Output is correct |
39 |
Correct |
2 ms |
8944 KB |
Output is correct |
40 |
Correct |
0 ms |
8944 KB |
Output is correct |
41 |
Correct |
0 ms |
8944 KB |
Output is correct |
42 |
Correct |
0 ms |
8944 KB |
Output is correct |
43 |
Correct |
0 ms |
8944 KB |
Output is correct |
44 |
Correct |
2 ms |
8944 KB |
Output is correct |
45 |
Correct |
0 ms |
8944 KB |
Output is correct |
46 |
Correct |
3 ms |
8944 KB |
Output is correct |
47 |
Correct |
2 ms |
8944 KB |
Output is correct |
48 |
Correct |
0 ms |
8944 KB |
Output is correct |
49 |
Correct |
0 ms |
8944 KB |
Output is correct |
50 |
Correct |
0 ms |
8944 KB |
Output is correct |
51 |
Correct |
3 ms |
8944 KB |
Output is correct |
52 |
Correct |
68 ms |
8944 KB |
Output is correct |
53 |
Correct |
116 ms |
8944 KB |
Output is correct |
54 |
Correct |
202 ms |
8944 KB |
Output is correct |
55 |
Correct |
205 ms |
8944 KB |
Output is correct |
56 |
Correct |
826 ms |
8944 KB |
Output is correct |
57 |
Correct |
827 ms |
8944 KB |
Output is correct |
58 |
Correct |
676 ms |
8944 KB |
Output is correct |
59 |
Correct |
609 ms |
8944 KB |
Output is correct |
60 |
Correct |
612 ms |
8944 KB |
Output is correct |
61 |
Correct |
0 ms |
8944 KB |
Output is correct |
62 |
Correct |
108 ms |
8944 KB |
Output is correct |
63 |
Correct |
191 ms |
8944 KB |
Output is correct |
64 |
Correct |
189 ms |
8944 KB |
Output is correct |
65 |
Correct |
353 ms |
8944 KB |
Output is correct |
66 |
Correct |
534 ms |
8944 KB |
Output is correct |
67 |
Correct |
725 ms |
8944 KB |
Output is correct |
68 |
Correct |
682 ms |
8944 KB |
Output is correct |
69 |
Correct |
689 ms |
8944 KB |
Output is correct |