#include <bits/stdc++.h>
// #pragma GCC optimize ("O2,unroll-loops")
// #pragma GCC optimize("no-stack-protector,fast-math")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#define IOS ios::sync_with_stdio(0), cin.tie(), cout.tie();
#define fr first
#define sc second
#define all(v) v.begin(), v.end()
#define uni(v) sort(all(v)), v.erase(unique(all(v)), v.end())
// #define c0 (v << 1)
// #define c1 (c0 | 1)
// #define md ((l+r)>>1)
using namespace std;
typedef long long ll;
const int maxN = 2e3+7;
const int maxBt = 42;
ll pef[maxN];
int y[maxN];
bitset<maxN> dp[maxN];
inline ll range(int l, int r){
return pef[r+1]-pef[l];
}
signed main(){IOS
int n;
int a, b;
cin >> n >> a >> b;
for(int i = 0; i < n; i++){
cin >> y[i];
}
ll ans = 0;
ll bads = 0;
pef[0] = 0;
for(int i = 0; i < n; i++)pef[i+1] = pef[i]+y[i];
ll maxAns = 1ll << (maxBt+1);
ll w = 1ll << maxBt;
for(int bit = maxBt; bit >= 0; bit--){
bads += w;
for(int i = 0; i <= n; i++)for(int j = 0; j <= n; j++)dp[i][j] = 0;
for(int i = a; i <= b; i++)dp[0][i] = 1;
for(int i = 0; i < n; i++){
for(int j = 0; j <= i; j++){
if(range(j, i) >= maxAns)break;
if((range(j, i) & bads) == 0){
dp[i+1] |= dp[j] >> 1;
}
}
}
if(dp[n][0] == 0){
bads ^= w;
ans ^= w;
}
w >>= 1;
}
cout << ans << '\n';
}
/*
6 1 3
8 1 2 1 5 4
*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
0 ms |
204 KB |
Output is correct |
17 |
Correct |
0 ms |
204 KB |
Output is correct |
18 |
Correct |
0 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
1 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
1 ms |
332 KB |
Output is correct |
23 |
Correct |
1 ms |
332 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 |
0 ms |
204 KB |
Output is correct |
28 |
Correct |
0 ms |
204 KB |
Output is correct |
29 |
Correct |
0 ms |
332 KB |
Output is correct |
30 |
Correct |
1 ms |
332 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 |
332 KB |
Output is correct |
34 |
Correct |
1 ms |
332 KB |
Output is correct |
35 |
Correct |
1 ms |
332 KB |
Output is correct |
36 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
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 |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
332 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 |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
0 ms |
216 KB |
Output is correct |
17 |
Correct |
0 ms |
204 KB |
Output is correct |
18 |
Correct |
1 ms |
332 KB |
Output is correct |
19 |
Correct |
0 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
21 |
Correct |
1 ms |
332 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 |
332 KB |
Output is correct |
25 |
Correct |
2 ms |
332 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 |
2 ms |
332 KB |
Output is correct |
30 |
Correct |
2 ms |
332 KB |
Output is correct |
31 |
Correct |
3 ms |
332 KB |
Output is correct |
32 |
Correct |
3 ms |
332 KB |
Output is correct |
33 |
Correct |
3 ms |
332 KB |
Output is correct |
34 |
Correct |
3 ms |
332 KB |
Output is correct |
35 |
Correct |
3 ms |
332 KB |
Output is correct |
36 |
Correct |
4 ms |
336 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 |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
2 ms |
332 KB |
Output is correct |
16 |
Correct |
4 ms |
332 KB |
Output is correct |
17 |
Correct |
2 ms |
332 KB |
Output is correct |
18 |
Correct |
5 ms |
344 KB |
Output is correct |
19 |
Correct |
3 ms |
332 KB |
Output is correct |
20 |
Correct |
3 ms |
332 KB |
Output is correct |
21 |
Correct |
3 ms |
332 KB |
Output is correct |
22 |
Correct |
3 ms |
332 KB |
Output is correct |
23 |
Correct |
3 ms |
332 KB |
Output is correct |
24 |
Correct |
3 ms |
332 KB |
Output is correct |
25 |
Correct |
5 ms |
344 KB |
Output is correct |
26 |
Correct |
7 ms |
332 KB |
Output is correct |
27 |
Correct |
9 ms |
332 KB |
Output is correct |
28 |
Correct |
11 ms |
332 KB |
Output is correct |
29 |
Correct |
11 ms |
352 KB |
Output is correct |
30 |
Correct |
13 ms |
348 KB |
Output is correct |
31 |
Correct |
11 ms |
332 KB |
Output is correct |
32 |
Correct |
11 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 |
332 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 |
332 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 |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
0 ms |
332 KB |
Output is correct |
17 |
Correct |
0 ms |
204 KB |
Output is correct |
18 |
Correct |
0 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
1 ms |
332 KB |
Output is correct |
23 |
Correct |
1 ms |
332 KB |
Output is correct |
24 |
Correct |
1 ms |
292 KB |
Output is correct |
25 |
Correct |
1 ms |
204 KB |
Output is correct |
26 |
Correct |
1 ms |
332 KB |
Output is correct |
27 |
Correct |
0 ms |
204 KB |
Output is correct |
28 |
Correct |
0 ms |
204 KB |
Output is correct |
29 |
Correct |
0 ms |
332 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 |
332 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 |
332 KB |
Output is correct |
36 |
Correct |
1 ms |
332 KB |
Output is correct |
37 |
Correct |
2 ms |
332 KB |
Output is correct |
38 |
Correct |
2 ms |
204 KB |
Output is correct |
39 |
Correct |
2 ms |
332 KB |
Output is correct |
40 |
Correct |
2 ms |
332 KB |
Output is correct |
41 |
Correct |
3 ms |
332 KB |
Output is correct |
42 |
Correct |
3 ms |
332 KB |
Output is correct |
43 |
Correct |
3 ms |
332 KB |
Output is correct |
44 |
Correct |
4 ms |
332 KB |
Output is correct |
45 |
Correct |
3 ms |
332 KB |
Output is correct |
46 |
Correct |
4 ms |
332 KB |
Output is correct |
47 |
Correct |
4 ms |
332 KB |
Output is correct |
48 |
Correct |
5 ms |
356 KB |
Output is correct |
49 |
Correct |
10 ms |
332 KB |
Output is correct |
50 |
Correct |
9 ms |
356 KB |
Output is correct |
51 |
Correct |
12 ms |
352 KB |
Output is correct |
52 |
Correct |
11 ms |
352 KB |
Output is correct |
53 |
Correct |
12 ms |
352 KB |
Output is correct |
54 |
Correct |
10 ms |
332 KB |
Output is correct |
55 |
Correct |
10 ms |
348 KB |
Output is correct |
56 |
Correct |
2 ms |
332 KB |
Output is correct |
57 |
Correct |
2 ms |
332 KB |
Output is correct |
58 |
Correct |
4 ms |
332 KB |
Output is correct |
59 |
Correct |
4 ms |
332 KB |
Output is correct |
60 |
Correct |
4 ms |
356 KB |
Output is correct |
61 |
Correct |
4 ms |
332 KB |
Output is correct |
62 |
Correct |
5 ms |
332 KB |
Output is correct |
63 |
Correct |
5 ms |
348 KB |
Output is correct |
64 |
Correct |
10 ms |
332 KB |
Output is correct |
65 |
Correct |
1 ms |
332 KB |
Output is correct |
66 |
Correct |
2 ms |
332 KB |
Output is correct |
67 |
Correct |
4 ms |
332 KB |
Output is correct |
68 |
Correct |
3 ms |
332 KB |
Output is correct |
69 |
Correct |
6 ms |
332 KB |
Output is correct |
70 |
Correct |
4 ms |
352 KB |
Output is correct |
71 |
Correct |
4 ms |
356 KB |
Output is correct |
72 |
Correct |
5 ms |
332 KB |
Output is correct |
73 |
Correct |
5 ms |
332 KB |
Output is correct |
74 |
Correct |
5 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
332 KB |
Output is correct |
2 |
Correct |
1 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 |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
2 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
332 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 |
332 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
336 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
21 |
Correct |
1 ms |
332 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 |
332 KB |
Output is correct |
26 |
Correct |
2 ms |
272 KB |
Output is correct |
27 |
Correct |
3 ms |
332 KB |
Output is correct |
28 |
Correct |
3 ms |
332 KB |
Output is correct |
29 |
Correct |
3 ms |
344 KB |
Output is correct |
30 |
Correct |
3 ms |
332 KB |
Output is correct |
31 |
Correct |
3 ms |
332 KB |
Output is correct |
32 |
Correct |
3 ms |
332 KB |
Output is correct |
33 |
Correct |
3 ms |
336 KB |
Output is correct |
34 |
Correct |
3 ms |
336 KB |
Output is correct |
35 |
Correct |
5 ms |
336 KB |
Output is correct |
36 |
Correct |
7 ms |
336 KB |
Output is correct |
37 |
Correct |
10 ms |
352 KB |
Output is correct |
38 |
Correct |
11 ms |
356 KB |
Output is correct |
39 |
Correct |
12 ms |
336 KB |
Output is correct |
40 |
Correct |
11 ms |
336 KB |
Output is correct |
41 |
Correct |
15 ms |
336 KB |
Output is correct |
42 |
Correct |
10 ms |
356 KB |
Output is correct |
43 |
Correct |
2 ms |
336 KB |
Output is correct |
44 |
Correct |
3 ms |
336 KB |
Output is correct |
45 |
Correct |
3 ms |
336 KB |
Output is correct |
46 |
Correct |
4 ms |
336 KB |
Output is correct |
47 |
Correct |
3 ms |
336 KB |
Output is correct |
48 |
Correct |
4 ms |
336 KB |
Output is correct |
49 |
Correct |
5 ms |
332 KB |
Output is correct |
50 |
Correct |
5 ms |
332 KB |
Output is correct |
51 |
Correct |
4 ms |
332 KB |
Output is correct |
52 |
Correct |
91 ms |
460 KB |
Output is correct |
53 |
Correct |
144 ms |
460 KB |
Output is correct |
54 |
Correct |
270 ms |
588 KB |
Output is correct |
55 |
Correct |
245 ms |
460 KB |
Output is correct |
56 |
Correct |
871 ms |
824 KB |
Output is correct |
57 |
Correct |
857 ms |
844 KB |
Output is correct |
58 |
Correct |
761 ms |
824 KB |
Output is correct |
59 |
Correct |
750 ms |
824 KB |
Output is correct |
60 |
Correct |
910 ms |
836 KB |
Output is correct |
61 |
Correct |
5 ms |
352 KB |
Output is correct |
62 |
Correct |
140 ms |
460 KB |
Output is correct |
63 |
Correct |
253 ms |
588 KB |
Output is correct |
64 |
Correct |
241 ms |
584 KB |
Output is correct |
65 |
Correct |
428 ms |
684 KB |
Output is correct |
66 |
Correct |
636 ms |
760 KB |
Output is correct |
67 |
Correct |
860 ms |
824 KB |
Output is correct |
68 |
Correct |
867 ms |
824 KB |
Output is correct |
69 |
Correct |
814 ms |
824 KB |
Output is correct |