#include<bits/stdc++.h>
using namespace std;
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
long long n,a,b;cin>>n>>a>>b;
vector<long long>arr(n);
for (long long i = 0;i<n;++i){
cin>>arr[i];
}
vector<long long>pref(n + 1,0);
for (int i = 0;i<n;++i){
pref[i + 1] = pref[i] + arr[i];
}
auto query = [&](int u,int v){
return pref[v + 1] - pref[u];
};
long long cur = 0;
auto check = [&](long long v){
vector<vector<int>>dp(n + 1);
dp[0].push_back(0);
for (int i = 0;i<n;++i){
sort(dp[i].begin(),dp[i].end());
dp[i].erase(unique(dp[i].begin(),dp[i].end()),dp[i].end());
for (int x = i;x<n;++x){
if (query(i,x) & v){
continue;
}
for (auto y:dp[i]){
if (y + 1 <= b)
dp[x + 1].push_back(y + 1);
}
}
}
for (auto x:dp[n]){
if (x >= a && x <= b)return 1;
}
return 0;
};
long long ans = 0;
for (long long i = 50;i>=0;--i){
if (check((cur ^ (1LL<<i)))){
cur ^= (1LL<<i);
}
else{
ans ^= (1LL<<i);
}
}
cout<<ans<<'\n';
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
212 KB |
Output is correct |
28 |
Correct |
1 ms |
212 KB |
Output is correct |
29 |
Correct |
1 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
1 ms |
324 KB |
Output is correct |
34 |
Correct |
1 ms |
340 KB |
Output is correct |
35 |
Correct |
1 ms |
232 KB |
Output is correct |
36 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
0 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
2 ms |
340 KB |
Output is correct |
29 |
Correct |
2 ms |
340 KB |
Output is correct |
30 |
Correct |
11 ms |
340 KB |
Output is correct |
31 |
Correct |
17 ms |
456 KB |
Output is correct |
32 |
Correct |
17 ms |
452 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
19 ms |
472 KB |
Output is correct |
35 |
Correct |
15 ms |
340 KB |
Output is correct |
36 |
Correct |
9 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
2 ms |
340 KB |
Output is correct |
15 |
Correct |
2 ms |
340 KB |
Output is correct |
16 |
Correct |
2 ms |
340 KB |
Output is correct |
17 |
Correct |
11 ms |
416 KB |
Output is correct |
18 |
Correct |
17 ms |
456 KB |
Output is correct |
19 |
Correct |
18 ms |
464 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
17 ms |
460 KB |
Output is correct |
22 |
Correct |
15 ms |
444 KB |
Output is correct |
23 |
Correct |
9 ms |
340 KB |
Output is correct |
24 |
Correct |
17 ms |
460 KB |
Output is correct |
25 |
Correct |
15 ms |
440 KB |
Output is correct |
26 |
Correct |
52 ms |
668 KB |
Output is correct |
27 |
Correct |
130 ms |
1060 KB |
Output is correct |
28 |
Correct |
186 ms |
1368 KB |
Output is correct |
29 |
Correct |
181 ms |
1356 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
151 ms |
1184 KB |
Output is correct |
32 |
Correct |
186 ms |
1296 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
224 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
0 ms |
212 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
316 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
36 |
Correct |
1 ms |
212 KB |
Output is correct |
37 |
Correct |
1 ms |
340 KB |
Output is correct |
38 |
Correct |
2 ms |
340 KB |
Output is correct |
39 |
Correct |
2 ms |
340 KB |
Output is correct |
40 |
Correct |
11 ms |
424 KB |
Output is correct |
41 |
Correct |
17 ms |
340 KB |
Output is correct |
42 |
Correct |
17 ms |
460 KB |
Output is correct |
43 |
Correct |
1 ms |
212 KB |
Output is correct |
44 |
Correct |
17 ms |
460 KB |
Output is correct |
45 |
Correct |
15 ms |
340 KB |
Output is correct |
46 |
Correct |
9 ms |
416 KB |
Output is correct |
47 |
Correct |
17 ms |
340 KB |
Output is correct |
48 |
Correct |
15 ms |
468 KB |
Output is correct |
49 |
Correct |
52 ms |
676 KB |
Output is correct |
50 |
Correct |
130 ms |
1036 KB |
Output is correct |
51 |
Correct |
189 ms |
1340 KB |
Output is correct |
52 |
Correct |
183 ms |
1368 KB |
Output is correct |
53 |
Correct |
1 ms |
212 KB |
Output is correct |
54 |
Correct |
152 ms |
1232 KB |
Output is correct |
55 |
Correct |
181 ms |
1288 KB |
Output is correct |
56 |
Correct |
8 ms |
340 KB |
Output is correct |
57 |
Correct |
22 ms |
680 KB |
Output is correct |
58 |
Correct |
53 ms |
1064 KB |
Output is correct |
59 |
Correct |
76 ms |
1368 KB |
Output is correct |
60 |
Correct |
78 ms |
1448 KB |
Output is correct |
61 |
Correct |
1 ms |
316 KB |
Output is correct |
62 |
Correct |
88 ms |
1376 KB |
Output is correct |
63 |
Correct |
84 ms |
1336 KB |
Output is correct |
64 |
Correct |
176 ms |
1084 KB |
Output is correct |
65 |
Correct |
8 ms |
340 KB |
Output is correct |
66 |
Correct |
7 ms |
448 KB |
Output is correct |
67 |
Correct |
21 ms |
672 KB |
Output is correct |
68 |
Correct |
55 ms |
1068 KB |
Output is correct |
69 |
Correct |
76 ms |
1360 KB |
Output is correct |
70 |
Correct |
80 ms |
1352 KB |
Output is correct |
71 |
Correct |
2 ms |
340 KB |
Output is correct |
72 |
Correct |
100 ms |
1368 KB |
Output is correct |
73 |
Correct |
83 ms |
1332 KB |
Output is correct |
74 |
Correct |
88 ms |
1376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
316 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
2 ms |
340 KB |
Output is correct |
25 |
Correct |
2 ms |
340 KB |
Output is correct |
26 |
Correct |
2 ms |
340 KB |
Output is correct |
27 |
Correct |
11 ms |
340 KB |
Output is correct |
28 |
Correct |
17 ms |
456 KB |
Output is correct |
29 |
Correct |
17 ms |
460 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
17 ms |
468 KB |
Output is correct |
32 |
Correct |
15 ms |
452 KB |
Output is correct |
33 |
Correct |
10 ms |
324 KB |
Output is correct |
34 |
Correct |
18 ms |
412 KB |
Output is correct |
35 |
Correct |
15 ms |
464 KB |
Output is correct |
36 |
Correct |
53 ms |
704 KB |
Output is correct |
37 |
Correct |
130 ms |
1036 KB |
Output is correct |
38 |
Correct |
186 ms |
1360 KB |
Output is correct |
39 |
Correct |
182 ms |
1380 KB |
Output is correct |
40 |
Correct |
1 ms |
212 KB |
Output is correct |
41 |
Correct |
152 ms |
1212 KB |
Output is correct |
42 |
Correct |
183 ms |
1300 KB |
Output is correct |
43 |
Correct |
7 ms |
444 KB |
Output is correct |
44 |
Correct |
22 ms |
660 KB |
Output is correct |
45 |
Correct |
53 ms |
1044 KB |
Output is correct |
46 |
Correct |
76 ms |
1368 KB |
Output is correct |
47 |
Correct |
72 ms |
1320 KB |
Output is correct |
48 |
Correct |
1 ms |
336 KB |
Output is correct |
49 |
Correct |
87 ms |
1368 KB |
Output is correct |
50 |
Correct |
84 ms |
1360 KB |
Output is correct |
51 |
Correct |
33 ms |
828 KB |
Output is correct |
52 |
Execution timed out |
1068 ms |
67224 KB |
Time limit exceeded |
53 |
Halted |
0 ms |
0 KB |
- |