#pragma GCC optimize("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#include<bits/stdc++.h>
using namespace std;
#define FOR(i, a, b) for(int i = a; i < b; ++i)
#define REP(i, n) FOR(i, 0, n)
#define _ << " " <<
#define sz(x) ((int) x.size())
#define pb(x) push_back(x)
#define TRACE(x) cerr << #x << " = " << x << endl
typedef long long ll;
typedef pair<int, int> point;
const int mod = 1e9 + 7;
int add(int x, int y) {x += y; if(x >= mod) return x - mod; return x;}
int sub(int x, int y) {x -= y; if(x < 0) return x + mod; return x;}
int mul(int x, int y) {return (ll) x * y % mod;}
const int MAXN = 2e3 + 5;
ll n, a, b, x[MAXN], prefix[MAXN], dp[MAXN][MAXN];
int rek(int pos, int num, ll forbidden){
if(pos < 0){
if(num >= a && num <= b)
return 1;
else
return 0;
}
if(dp[pos][num] != -1)
return dp[pos][num];
int ret = 0;
ll sum = 0;
for(int i = pos; i >= 0; --i){
sum += x[i];
if((sum & forbidden) == 0)
ret |= rek(i - 1, num + 1, forbidden);
if(ret)
return dp[pos][num] = ret;
}
return dp[pos][num] = ret;
}
int main(){
ios_base::sync_with_stdio(false); cin.tie(0);
cin >> n >> a >> b;
REP(i, n)
cin >> x[i];
ll forbidden = 0, sol = 0;
for(int i = 40; i >= 0; --i){
memset(dp, -1, sizeof(dp));
forbidden |= (1LL << i);
if(!rek(n - 1, 0, forbidden)){
forbidden ^= (1LL << i);
sol |= (1LL << i);
}
}
cout << sol;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
245 ms |
31852 KB |
Output is correct |
2 |
Correct |
224 ms |
31864 KB |
Output is correct |
3 |
Correct |
244 ms |
31848 KB |
Output is correct |
4 |
Correct |
253 ms |
31860 KB |
Output is correct |
5 |
Correct |
246 ms |
31736 KB |
Output is correct |
6 |
Correct |
219 ms |
31856 KB |
Output is correct |
7 |
Correct |
247 ms |
31928 KB |
Output is correct |
8 |
Correct |
250 ms |
31860 KB |
Output is correct |
9 |
Correct |
251 ms |
31852 KB |
Output is correct |
10 |
Correct |
237 ms |
31736 KB |
Output is correct |
11 |
Correct |
237 ms |
31736 KB |
Output is correct |
12 |
Correct |
251 ms |
31856 KB |
Output is correct |
13 |
Correct |
251 ms |
31864 KB |
Output is correct |
14 |
Correct |
236 ms |
31864 KB |
Output is correct |
15 |
Correct |
249 ms |
31736 KB |
Output is correct |
16 |
Correct |
251 ms |
31736 KB |
Output is correct |
17 |
Correct |
250 ms |
31852 KB |
Output is correct |
18 |
Correct |
234 ms |
31856 KB |
Output is correct |
19 |
Correct |
234 ms |
31856 KB |
Output is correct |
20 |
Correct |
256 ms |
31860 KB |
Output is correct |
21 |
Correct |
249 ms |
31736 KB |
Output is correct |
22 |
Correct |
240 ms |
31852 KB |
Output is correct |
23 |
Correct |
213 ms |
31860 KB |
Output is correct |
24 |
Correct |
254 ms |
31852 KB |
Output is correct |
25 |
Correct |
251 ms |
31848 KB |
Output is correct |
26 |
Correct |
250 ms |
31852 KB |
Output is correct |
27 |
Correct |
236 ms |
31736 KB |
Output is correct |
28 |
Correct |
249 ms |
31852 KB |
Output is correct |
29 |
Correct |
248 ms |
31848 KB |
Output is correct |
30 |
Correct |
226 ms |
31852 KB |
Output is correct |
31 |
Correct |
249 ms |
31852 KB |
Output is correct |
32 |
Correct |
259 ms |
31856 KB |
Output is correct |
33 |
Correct |
249 ms |
31868 KB |
Output is correct |
34 |
Correct |
240 ms |
31864 KB |
Output is correct |
35 |
Correct |
239 ms |
31736 KB |
Output is correct |
36 |
Correct |
249 ms |
31864 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
294 ms |
31860 KB |
Output is correct |
2 |
Correct |
250 ms |
31856 KB |
Output is correct |
3 |
Correct |
238 ms |
31856 KB |
Output is correct |
4 |
Correct |
234 ms |
31736 KB |
Output is correct |
5 |
Correct |
255 ms |
31864 KB |
Output is correct |
6 |
Correct |
245 ms |
31736 KB |
Output is correct |
7 |
Correct |
242 ms |
31856 KB |
Output is correct |
8 |
Correct |
253 ms |
31860 KB |
Output is correct |
9 |
Correct |
257 ms |
31852 KB |
Output is correct |
10 |
Correct |
364 ms |
31864 KB |
Output is correct |
11 |
Correct |
289 ms |
31852 KB |
Output is correct |
12 |
Correct |
247 ms |
31852 KB |
Output is correct |
13 |
Correct |
258 ms |
31736 KB |
Output is correct |
14 |
Correct |
249 ms |
31864 KB |
Output is correct |
15 |
Correct |
261 ms |
31952 KB |
Output is correct |
16 |
Correct |
255 ms |
31852 KB |
Output is correct |
17 |
Correct |
243 ms |
31852 KB |
Output is correct |
18 |
Correct |
249 ms |
31852 KB |
Output is correct |
19 |
Correct |
257 ms |
31736 KB |
Output is correct |
20 |
Correct |
252 ms |
31860 KB |
Output is correct |
21 |
Correct |
232 ms |
31864 KB |
Output is correct |
22 |
Correct |
248 ms |
31852 KB |
Output is correct |
23 |
Correct |
268 ms |
31848 KB |
Output is correct |
24 |
Correct |
251 ms |
31852 KB |
Output is correct |
25 |
Correct |
231 ms |
31856 KB |
Output is correct |
26 |
Correct |
311 ms |
31864 KB |
Output is correct |
27 |
Correct |
247 ms |
31848 KB |
Output is correct |
28 |
Correct |
249 ms |
31852 KB |
Output is correct |
29 |
Correct |
283 ms |
31852 KB |
Output is correct |
30 |
Correct |
249 ms |
31736 KB |
Output is correct |
31 |
Correct |
237 ms |
31868 KB |
Output is correct |
32 |
Correct |
245 ms |
31736 KB |
Output is correct |
33 |
Correct |
256 ms |
31736 KB |
Output is correct |
34 |
Correct |
253 ms |
31856 KB |
Output is correct |
35 |
Correct |
236 ms |
31852 KB |
Output is correct |
36 |
Correct |
252 ms |
31852 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
251 ms |
31852 KB |
Output is correct |
2 |
Correct |
253 ms |
31864 KB |
Output is correct |
3 |
Correct |
243 ms |
31852 KB |
Output is correct |
4 |
Correct |
251 ms |
31852 KB |
Output is correct |
5 |
Correct |
253 ms |
31852 KB |
Output is correct |
6 |
Correct |
236 ms |
31864 KB |
Output is correct |
7 |
Correct |
227 ms |
31848 KB |
Output is correct |
8 |
Correct |
250 ms |
31964 KB |
Output is correct |
9 |
Correct |
247 ms |
31864 KB |
Output is correct |
10 |
Correct |
249 ms |
31848 KB |
Output is correct |
11 |
Correct |
244 ms |
31852 KB |
Output is correct |
12 |
Correct |
254 ms |
31852 KB |
Output is correct |
13 |
Correct |
244 ms |
31736 KB |
Output is correct |
14 |
Correct |
238 ms |
31848 KB |
Output is correct |
15 |
Correct |
248 ms |
31736 KB |
Output is correct |
16 |
Correct |
253 ms |
31852 KB |
Output is correct |
17 |
Correct |
235 ms |
31848 KB |
Output is correct |
18 |
Correct |
232 ms |
31736 KB |
Output is correct |
19 |
Correct |
254 ms |
31736 KB |
Output is correct |
20 |
Correct |
258 ms |
31852 KB |
Output is correct |
21 |
Correct |
231 ms |
31736 KB |
Output is correct |
22 |
Correct |
215 ms |
31856 KB |
Output is correct |
23 |
Correct |
249 ms |
31852 KB |
Output is correct |
24 |
Correct |
248 ms |
31852 KB |
Output is correct |
25 |
Correct |
246 ms |
31864 KB |
Output is correct |
26 |
Correct |
238 ms |
31736 KB |
Output is correct |
27 |
Correct |
254 ms |
31860 KB |
Output is correct |
28 |
Correct |
250 ms |
31736 KB |
Output is correct |
29 |
Correct |
247 ms |
31740 KB |
Output is correct |
30 |
Correct |
276 ms |
31852 KB |
Output is correct |
31 |
Correct |
257 ms |
31856 KB |
Output is correct |
32 |
Correct |
241 ms |
31856 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
246 ms |
31856 KB |
Output is correct |
2 |
Correct |
252 ms |
31736 KB |
Output is correct |
3 |
Correct |
253 ms |
31848 KB |
Output is correct |
4 |
Correct |
246 ms |
31864 KB |
Output is correct |
5 |
Correct |
245 ms |
31848 KB |
Output is correct |
6 |
Correct |
243 ms |
31736 KB |
Output is correct |
7 |
Correct |
249 ms |
31852 KB |
Output is correct |
8 |
Correct |
247 ms |
31736 KB |
Output is correct |
9 |
Correct |
245 ms |
31848 KB |
Output is correct |
10 |
Correct |
243 ms |
31856 KB |
Output is correct |
11 |
Correct |
254 ms |
31860 KB |
Output is correct |
12 |
Correct |
209 ms |
31736 KB |
Output is correct |
13 |
Correct |
210 ms |
31848 KB |
Output is correct |
14 |
Correct |
239 ms |
31736 KB |
Output is correct |
15 |
Correct |
245 ms |
31864 KB |
Output is correct |
16 |
Correct |
323 ms |
31848 KB |
Output is correct |
17 |
Correct |
248 ms |
31760 KB |
Output is correct |
18 |
Correct |
239 ms |
31736 KB |
Output is correct |
19 |
Correct |
252 ms |
31864 KB |
Output is correct |
20 |
Correct |
255 ms |
31844 KB |
Output is correct |
21 |
Correct |
366 ms |
31824 KB |
Output is correct |
22 |
Correct |
253 ms |
31852 KB |
Output is correct |
23 |
Correct |
245 ms |
31848 KB |
Output is correct |
24 |
Correct |
260 ms |
31852 KB |
Output is correct |
25 |
Correct |
251 ms |
31964 KB |
Output is correct |
26 |
Correct |
294 ms |
31864 KB |
Output is correct |
27 |
Correct |
253 ms |
31780 KB |
Output is correct |
28 |
Correct |
240 ms |
31852 KB |
Output is correct |
29 |
Correct |
228 ms |
31848 KB |
Output is correct |
30 |
Correct |
250 ms |
31864 KB |
Output is correct |
31 |
Correct |
247 ms |
31872 KB |
Output is correct |
32 |
Correct |
238 ms |
31852 KB |
Output is correct |
33 |
Correct |
248 ms |
31864 KB |
Output is correct |
34 |
Correct |
272 ms |
31848 KB |
Output is correct |
35 |
Correct |
254 ms |
31848 KB |
Output is correct |
36 |
Correct |
243 ms |
31852 KB |
Output is correct |
37 |
Correct |
213 ms |
31848 KB |
Output is correct |
38 |
Correct |
280 ms |
31852 KB |
Output is correct |
39 |
Correct |
254 ms |
31856 KB |
Output is correct |
40 |
Correct |
244 ms |
31852 KB |
Output is correct |
41 |
Correct |
231 ms |
31736 KB |
Output is correct |
42 |
Correct |
248 ms |
31864 KB |
Output is correct |
43 |
Correct |
259 ms |
31864 KB |
Output is correct |
44 |
Correct |
253 ms |
31852 KB |
Output is correct |
45 |
Correct |
231 ms |
31736 KB |
Output is correct |
46 |
Correct |
233 ms |
31736 KB |
Output is correct |
47 |
Correct |
249 ms |
31964 KB |
Output is correct |
48 |
Correct |
239 ms |
31740 KB |
Output is correct |
49 |
Correct |
237 ms |
31852 KB |
Output is correct |
50 |
Correct |
244 ms |
31736 KB |
Output is correct |
51 |
Correct |
247 ms |
31856 KB |
Output is correct |
52 |
Correct |
249 ms |
31848 KB |
Output is correct |
53 |
Correct |
271 ms |
31856 KB |
Output is correct |
54 |
Correct |
249 ms |
31736 KB |
Output is correct |
55 |
Correct |
252 ms |
31852 KB |
Output is correct |
56 |
Correct |
234 ms |
31736 KB |
Output is correct |
57 |
Correct |
258 ms |
31848 KB |
Output is correct |
58 |
Correct |
241 ms |
31848 KB |
Output is correct |
59 |
Correct |
251 ms |
31852 KB |
Output is correct |
60 |
Correct |
248 ms |
31844 KB |
Output is correct |
61 |
Correct |
198 ms |
31736 KB |
Output is correct |
62 |
Correct |
249 ms |
31864 KB |
Output is correct |
63 |
Correct |
249 ms |
31868 KB |
Output is correct |
64 |
Correct |
210 ms |
31852 KB |
Output is correct |
65 |
Correct |
241 ms |
31856 KB |
Output is correct |
66 |
Correct |
253 ms |
31852 KB |
Output is correct |
67 |
Correct |
241 ms |
31848 KB |
Output is correct |
68 |
Correct |
237 ms |
31864 KB |
Output is correct |
69 |
Correct |
239 ms |
31852 KB |
Output is correct |
70 |
Correct |
254 ms |
31736 KB |
Output is correct |
71 |
Correct |
259 ms |
31852 KB |
Output is correct |
72 |
Correct |
253 ms |
31736 KB |
Output is correct |
73 |
Correct |
251 ms |
31836 KB |
Output is correct |
74 |
Correct |
289 ms |
31856 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
250 ms |
31852 KB |
Output is correct |
2 |
Correct |
241 ms |
31736 KB |
Output is correct |
3 |
Correct |
247 ms |
31852 KB |
Output is correct |
4 |
Correct |
251 ms |
31864 KB |
Output is correct |
5 |
Correct |
202 ms |
31852 KB |
Output is correct |
6 |
Correct |
226 ms |
31852 KB |
Output is correct |
7 |
Correct |
204 ms |
31736 KB |
Output is correct |
8 |
Correct |
236 ms |
31848 KB |
Output is correct |
9 |
Correct |
255 ms |
31852 KB |
Output is correct |
10 |
Correct |
246 ms |
31736 KB |
Output is correct |
11 |
Correct |
233 ms |
31860 KB |
Output is correct |
12 |
Correct |
251 ms |
31852 KB |
Output is correct |
13 |
Correct |
256 ms |
31844 KB |
Output is correct |
14 |
Correct |
249 ms |
31856 KB |
Output is correct |
15 |
Correct |
249 ms |
31848 KB |
Output is correct |
16 |
Correct |
248 ms |
31736 KB |
Output is correct |
17 |
Correct |
252 ms |
31736 KB |
Output is correct |
18 |
Correct |
246 ms |
31864 KB |
Output is correct |
19 |
Correct |
246 ms |
31736 KB |
Output is correct |
20 |
Correct |
255 ms |
31864 KB |
Output is correct |
21 |
Correct |
250 ms |
31852 KB |
Output is correct |
22 |
Correct |
244 ms |
31852 KB |
Output is correct |
23 |
Correct |
232 ms |
31856 KB |
Output is correct |
24 |
Correct |
234 ms |
31852 KB |
Output is correct |
25 |
Correct |
254 ms |
31848 KB |
Output is correct |
26 |
Correct |
253 ms |
31864 KB |
Output is correct |
27 |
Correct |
235 ms |
31852 KB |
Output is correct |
28 |
Correct |
238 ms |
31848 KB |
Output is correct |
29 |
Correct |
255 ms |
31864 KB |
Output is correct |
30 |
Correct |
249 ms |
31736 KB |
Output is correct |
31 |
Correct |
212 ms |
31864 KB |
Output is correct |
32 |
Correct |
238 ms |
31852 KB |
Output is correct |
33 |
Correct |
259 ms |
31852 KB |
Output is correct |
34 |
Correct |
247 ms |
31736 KB |
Output is correct |
35 |
Correct |
255 ms |
31864 KB |
Output is correct |
36 |
Correct |
247 ms |
31736 KB |
Output is correct |
37 |
Correct |
253 ms |
31852 KB |
Output is correct |
38 |
Correct |
246 ms |
31828 KB |
Output is correct |
39 |
Correct |
207 ms |
31736 KB |
Output is correct |
40 |
Correct |
253 ms |
31852 KB |
Output is correct |
41 |
Correct |
260 ms |
31852 KB |
Output is correct |
42 |
Correct |
229 ms |
31736 KB |
Output is correct |
43 |
Correct |
240 ms |
31860 KB |
Output is correct |
44 |
Correct |
251 ms |
31736 KB |
Output is correct |
45 |
Correct |
256 ms |
31852 KB |
Output is correct |
46 |
Correct |
242 ms |
31852 KB |
Output is correct |
47 |
Correct |
233 ms |
31860 KB |
Output is correct |
48 |
Correct |
259 ms |
31856 KB |
Output is correct |
49 |
Correct |
255 ms |
31768 KB |
Output is correct |
50 |
Correct |
240 ms |
31736 KB |
Output is correct |
51 |
Correct |
267 ms |
31856 KB |
Output is correct |
52 |
Correct |
853 ms |
31896 KB |
Output is correct |
53 |
Correct |
238 ms |
31912 KB |
Output is correct |
54 |
Execution timed out |
1072 ms |
31868 KB |
Time limit exceeded |
55 |
Halted |
0 ms |
0 KB |
- |