#include <iostream>
#include <math.h>
#define ll long long
#define ull unsigned ll
#define f first
#define s second
#define pb push_back
#define epb empalce_back
#define pii pair<int,int>
#define pll pair<ll,ll>
using namespace std;
int main(){
int n; cin >> n;
int a; cin >> a;
int b; cin >> b;
ll x[n + 1];
for(int i= 1; i <= n; i++) cin >> x[i];
ll pref[n + 1];
pref[0] = 0;
for(int i = 1; i <= n; i++)
pref[i] = pref[i - 1] + x[i];
if(n <= 100){
ll ans = 0;
ll cnt[n + 1][n + 1];
for(int j = 0; j <= n; j++){
for(int i = j + 1; i <= n; i++){
cnt[j][i] = 0;
}
}
int C = 0;
for(int u = 50; u >= 1; u--){
ll mod = (1LL << u);
bool dp[n + 1][n + 1];
for(int i= 0; i <= n; i++){
for(int j = 0; j <= n; j++){
dp[i][j] = false;
}
}
dp[0][0] = true;
for(int i = 1; i <= n; i++){
for(int j = i - 1; j >= 0; j--){
ll val = pref[i] - pref[j];
if((val % mod) >= (mod / 2)) continue;
if(cnt[j][i] == C){
for(int x = 0; x < n; x++){
dp[i][x + 1] |= dp[j][x];
}
}
}
}
//cout << dp[n][1] << "\n";
bool ind = false;
for(int i = a; i <= b; i++){
if(dp[n][i]) ind = true;
}
if(ind){
C++;
for(int i= 1; i <= n; i++){
for(int j = i - 1; j >= 0; j--){
ll val = pref[i] - pref[j];
if((val % mod) < (mod / 2)) cnt[j][i]++;
}
}
}
else ans += (1LL << (u - 1));
}
cout << ans;
return 0;
}
ll ans = 0;
bool cnt[n + 1][n + 1];
for(int j = 0; j <= n; j++){
for(int i = j + 1; i <= n; i++){
cnt[j][i] = 1;
}
}
int C = 0;
int dp[n + 1];
for(int u = 44; u >= 1; u--){
ll mod = (1LL << (u - 1));
for(int i= 0; i <= n; i++){
dp[i] = b + 1;
}
dp[0] = 0;
for(int i = 1; i <= n; i++){
for(int j = i - 1; j >= 0; j--){
ll val = pref[i] - pref[j];
if(val & mod) continue;
if(cnt[j][i]){
dp[i] = min(dp[i], dp[j] + 1);
}
}
}
//cout << dp[n][1] << "\n";
bool ind = false;
if(dp[n] <= b) ind = true;
if(ind){
C++;
for(int i= 1; i <= n; i++){
for(int j = i - 1; j >= 0; j--){
ll val = pref[i] - pref[j];
if(val & mod) cnt[j][i] = false;
}
}
}
else ans += (1LL << (u - 1));
}
cout << ans;
return 0;
}
# |
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 |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 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 |
0 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 |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 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 |
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 |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
0 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
35 |
Correct |
0 ms |
212 KB |
Output is correct |
36 |
Correct |
1 ms |
212 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 |
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 |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 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 |
1 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 |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
1 ms |
212 KB |
Output is correct |
28 |
Correct |
1 ms |
212 KB |
Output is correct |
29 |
Correct |
2 ms |
212 KB |
Output is correct |
30 |
Correct |
3 ms |
212 KB |
Output is correct |
31 |
Correct |
3 ms |
212 KB |
Output is correct |
32 |
Correct |
3 ms |
212 KB |
Output is correct |
33 |
Correct |
3 ms |
212 KB |
Output is correct |
34 |
Correct |
3 ms |
212 KB |
Output is correct |
35 |
Correct |
3 ms |
212 KB |
Output is correct |
36 |
Correct |
3 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
0 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 |
0 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 |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
2 ms |
212 KB |
Output is correct |
17 |
Correct |
2 ms |
212 KB |
Output is correct |
18 |
Correct |
3 ms |
212 KB |
Output is correct |
19 |
Correct |
4 ms |
212 KB |
Output is correct |
20 |
Correct |
3 ms |
212 KB |
Output is correct |
21 |
Correct |
3 ms |
212 KB |
Output is correct |
22 |
Correct |
3 ms |
220 KB |
Output is correct |
23 |
Correct |
3 ms |
212 KB |
Output is correct |
24 |
Correct |
3 ms |
212 KB |
Output is correct |
25 |
Correct |
6 ms |
212 KB |
Output is correct |
26 |
Correct |
9 ms |
340 KB |
Output is correct |
27 |
Correct |
13 ms |
364 KB |
Output is correct |
28 |
Correct |
17 ms |
384 KB |
Output is correct |
29 |
Correct |
16 ms |
384 KB |
Output is correct |
30 |
Correct |
17 ms |
384 KB |
Output is correct |
31 |
Correct |
16 ms |
340 KB |
Output is correct |
32 |
Correct |
16 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 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 |
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 |
0 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 |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
256 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 |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
0 ms |
212 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 |
212 KB |
Output is correct |
38 |
Correct |
1 ms |
212 KB |
Output is correct |
39 |
Correct |
2 ms |
212 KB |
Output is correct |
40 |
Correct |
2 ms |
212 KB |
Output is correct |
41 |
Correct |
3 ms |
212 KB |
Output is correct |
42 |
Correct |
5 ms |
340 KB |
Output is correct |
43 |
Correct |
4 ms |
316 KB |
Output is correct |
44 |
Correct |
3 ms |
212 KB |
Output is correct |
45 |
Correct |
3 ms |
212 KB |
Output is correct |
46 |
Correct |
3 ms |
212 KB |
Output is correct |
47 |
Correct |
3 ms |
212 KB |
Output is correct |
48 |
Correct |
6 ms |
212 KB |
Output is correct |
49 |
Correct |
8 ms |
340 KB |
Output is correct |
50 |
Correct |
13 ms |
368 KB |
Output is correct |
51 |
Correct |
16 ms |
380 KB |
Output is correct |
52 |
Correct |
16 ms |
384 KB |
Output is correct |
53 |
Correct |
18 ms |
340 KB |
Output is correct |
54 |
Correct |
16 ms |
380 KB |
Output is correct |
55 |
Correct |
17 ms |
380 KB |
Output is correct |
56 |
Correct |
2 ms |
212 KB |
Output is correct |
57 |
Correct |
5 ms |
340 KB |
Output is correct |
58 |
Correct |
7 ms |
340 KB |
Output is correct |
59 |
Correct |
8 ms |
340 KB |
Output is correct |
60 |
Correct |
8 ms |
388 KB |
Output is correct |
61 |
Correct |
10 ms |
340 KB |
Output is correct |
62 |
Correct |
10 ms |
384 KB |
Output is correct |
63 |
Correct |
10 ms |
340 KB |
Output is correct |
64 |
Correct |
14 ms |
340 KB |
Output is correct |
65 |
Correct |
2 ms |
212 KB |
Output is correct |
66 |
Correct |
3 ms |
212 KB |
Output is correct |
67 |
Correct |
5 ms |
340 KB |
Output is correct |
68 |
Correct |
7 ms |
340 KB |
Output is correct |
69 |
Correct |
9 ms |
340 KB |
Output is correct |
70 |
Correct |
8 ms |
340 KB |
Output is correct |
71 |
Correct |
9 ms |
340 KB |
Output is correct |
72 |
Correct |
10 ms |
384 KB |
Output is correct |
73 |
Correct |
11 ms |
340 KB |
Output is correct |
74 |
Correct |
10 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 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 |
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 |
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 |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 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 |
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 |
2 ms |
212 KB |
Output is correct |
27 |
Correct |
2 ms |
308 KB |
Output is correct |
28 |
Correct |
3 ms |
212 KB |
Output is correct |
29 |
Correct |
3 ms |
212 KB |
Output is correct |
30 |
Correct |
3 ms |
212 KB |
Output is correct |
31 |
Correct |
3 ms |
316 KB |
Output is correct |
32 |
Correct |
3 ms |
212 KB |
Output is correct |
33 |
Correct |
3 ms |
212 KB |
Output is correct |
34 |
Correct |
3 ms |
212 KB |
Output is correct |
35 |
Correct |
6 ms |
212 KB |
Output is correct |
36 |
Correct |
8 ms |
340 KB |
Output is correct |
37 |
Correct |
15 ms |
340 KB |
Output is correct |
38 |
Correct |
17 ms |
376 KB |
Output is correct |
39 |
Correct |
17 ms |
384 KB |
Output is correct |
40 |
Correct |
17 ms |
340 KB |
Output is correct |
41 |
Correct |
17 ms |
380 KB |
Output is correct |
42 |
Correct |
18 ms |
340 KB |
Output is correct |
43 |
Correct |
3 ms |
212 KB |
Output is correct |
44 |
Correct |
7 ms |
348 KB |
Output is correct |
45 |
Correct |
8 ms |
368 KB |
Output is correct |
46 |
Correct |
9 ms |
340 KB |
Output is correct |
47 |
Correct |
9 ms |
340 KB |
Output is correct |
48 |
Correct |
9 ms |
384 KB |
Output is correct |
49 |
Correct |
10 ms |
340 KB |
Output is correct |
50 |
Correct |
10 ms |
380 KB |
Output is correct |
51 |
Correct |
2 ms |
212 KB |
Output is correct |
52 |
Correct |
30 ms |
620 KB |
Output is correct |
53 |
Correct |
49 ms |
724 KB |
Output is correct |
54 |
Correct |
93 ms |
1236 KB |
Output is correct |
55 |
Correct |
85 ms |
1272 KB |
Output is correct |
56 |
Correct |
366 ms |
4240 KB |
Output is correct |
57 |
Correct |
355 ms |
4224 KB |
Output is correct |
58 |
Correct |
234 ms |
4180 KB |
Output is correct |
59 |
Correct |
197 ms |
4180 KB |
Output is correct |
60 |
Correct |
187 ms |
4240 KB |
Output is correct |
61 |
Correct |
1 ms |
212 KB |
Output is correct |
62 |
Correct |
50 ms |
852 KB |
Output is correct |
63 |
Correct |
84 ms |
1296 KB |
Output is correct |
64 |
Correct |
85 ms |
1276 KB |
Output is correct |
65 |
Correct |
154 ms |
2260 KB |
Output is correct |
66 |
Correct |
226 ms |
3284 KB |
Output is correct |
67 |
Correct |
382 ms |
4260 KB |
Output is correct |
68 |
Correct |
274 ms |
4248 KB |
Output is correct |
69 |
Correct |
288 ms |
4248 KB |
Output is correct |