#include <bits/stdc++.h>
#define f first
#define s second
#define pb push_back
#define vec vector
#define sz(x) (int)(x).size()
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()
#define pw(x) (1LL<<(x))
#define fast_iati ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
template <class T> bool umin(T &a,const T &b){return (a>b?a=b,1:0);}
template <class T> bool umax(T &a,const T &b){return (a<b?a=b,1:0);}
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const int N=2e3+2;
const int lg=61;
const ll inf=1e18;
int dp1[N],n,a,b;
bitset<N> dp[N];
bitset<N> go[N];
ll pref[N];
ll get(int l,int r){
return pref[r]-(l?pref[l-1]:0);
}
bool check(vec<pii> &e){
for(int i=0;i<n;i++) go[i].reset();
for(auto &z : e) go[z.f][z.s]=1;
if(n>500){
for(int i=0;i<=n;i++) dp1[i]=1e9;
dp1[0]=0;
for(int i=0;i<n;i++){
for(int j=0;j<=i;j++){
if(go[i][j])
umin(dp1[i+1],dp1[j]+1);
}
}
return (dp1[n]<=b);
}
else{
for(int i=0;i<=n;i++){
dp[i].reset();
}
dp[0][0]=1;
for(int i=0;i<n;i++){
for(int cnt=n;cnt>=0;cnt--){
int is=(dp[cnt]&go[i]).count();
if(is)
dp[cnt+1][i+1]=1;
}
}
int ok=0;
for(int i=a;i<=b;i++)
ok|=(dp[i][n]==1);
return ok;
}
}
ll rec(int b,vec<pii> &e,ll x){
if(!check(e)) return -inf;
// cout<<"OK "<<b<<' '<<x<<endl;
// for(auto &z : e)
// cout<<z.f<<' '<<z.s<<endl;
if(b==0) return x;
vec<pii> lft;
for(auto &z : e){
ll w=get(z.s,z.f);
w>>=(b-1);w<<=(b-1);
if((w|x)==x)
lft.pb(z);
}
ll w=rec(b-1,lft,x);
if(w!=-inf) return w;
return rec(b-1,e,x+pw(b-1));
}
signed main(){
fast_iati;
cin>>n>>a>>b;
for(int i=0;i<n;i++){
cin>>pref[i];
if(i)
pref[i]+=pref[i-1];
}
vec<pii> e;
for(int i=0;i<n;i++){
for(int j=i;j<n;j++)
e.pb({j,i});
}
cout<<rec(lg,e,0);
return 0;
}
/*
6 1 3
8 1 2 1 5 4
*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
336 KB |
Output is correct |
2 |
Correct |
2 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
2 ms |
336 KB |
Output is correct |
6 |
Correct |
5 ms |
320 KB |
Output is correct |
7 |
Correct |
3 ms |
464 KB |
Output is correct |
8 |
Correct |
4 ms |
464 KB |
Output is correct |
9 |
Correct |
3 ms |
336 KB |
Output is correct |
10 |
Correct |
3 ms |
464 KB |
Output is correct |
11 |
Correct |
3 ms |
464 KB |
Output is correct |
12 |
Correct |
4 ms |
464 KB |
Output is correct |
13 |
Correct |
3 ms |
368 KB |
Output is correct |
14 |
Correct |
1 ms |
336 KB |
Output is correct |
15 |
Correct |
1 ms |
320 KB |
Output is correct |
16 |
Correct |
1 ms |
336 KB |
Output is correct |
17 |
Correct |
1 ms |
336 KB |
Output is correct |
18 |
Correct |
1 ms |
336 KB |
Output is correct |
19 |
Correct |
2 ms |
336 KB |
Output is correct |
20 |
Correct |
3 ms |
448 KB |
Output is correct |
21 |
Correct |
4 ms |
464 KB |
Output is correct |
22 |
Correct |
5 ms |
336 KB |
Output is correct |
23 |
Correct |
3 ms |
336 KB |
Output is correct |
24 |
Correct |
3 ms |
336 KB |
Output is correct |
25 |
Correct |
3 ms |
464 KB |
Output is correct |
26 |
Correct |
5 ms |
436 KB |
Output is correct |
27 |
Correct |
1 ms |
336 KB |
Output is correct |
28 |
Correct |
1 ms |
336 KB |
Output is correct |
29 |
Correct |
2 ms |
376 KB |
Output is correct |
30 |
Correct |
4 ms |
336 KB |
Output is correct |
31 |
Correct |
4 ms |
336 KB |
Output is correct |
32 |
Correct |
3 ms |
336 KB |
Output is correct |
33 |
Correct |
3 ms |
416 KB |
Output is correct |
34 |
Correct |
4 ms |
336 KB |
Output is correct |
35 |
Correct |
4 ms |
336 KB |
Output is correct |
36 |
Correct |
4 ms |
336 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
2 ms |
336 KB |
Output is correct |
7 |
Correct |
3 ms |
464 KB |
Output is correct |
8 |
Correct |
4 ms |
464 KB |
Output is correct |
9 |
Correct |
4 ms |
464 KB |
Output is correct |
10 |
Correct |
3 ms |
464 KB |
Output is correct |
11 |
Correct |
6 ms |
464 KB |
Output is correct |
12 |
Correct |
3 ms |
464 KB |
Output is correct |
13 |
Correct |
4 ms |
464 KB |
Output is correct |
14 |
Correct |
1 ms |
336 KB |
Output is correct |
15 |
Correct |
1 ms |
320 KB |
Output is correct |
16 |
Correct |
1 ms |
336 KB |
Output is correct |
17 |
Correct |
1 ms |
336 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
19 |
Correct |
2 ms |
336 KB |
Output is correct |
20 |
Correct |
3 ms |
336 KB |
Output is correct |
21 |
Correct |
3 ms |
464 KB |
Output is correct |
22 |
Correct |
4 ms |
464 KB |
Output is correct |
23 |
Correct |
3 ms |
432 KB |
Output is correct |
24 |
Correct |
3 ms |
464 KB |
Output is correct |
25 |
Correct |
4 ms |
464 KB |
Output is correct |
26 |
Correct |
3 ms |
408 KB |
Output is correct |
27 |
Correct |
4 ms |
464 KB |
Output is correct |
28 |
Correct |
6 ms |
464 KB |
Output is correct |
29 |
Correct |
11 ms |
736 KB |
Output is correct |
30 |
Correct |
19 ms |
708 KB |
Output is correct |
31 |
Correct |
20 ms |
1224 KB |
Output is correct |
32 |
Correct |
18 ms |
1228 KB |
Output is correct |
33 |
Correct |
19 ms |
1236 KB |
Output is correct |
34 |
Correct |
18 ms |
1236 KB |
Output is correct |
35 |
Correct |
19 ms |
1228 KB |
Output is correct |
36 |
Correct |
18 ms |
1204 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
2 ms |
336 KB |
Output is correct |
7 |
Correct |
3 ms |
452 KB |
Output is correct |
8 |
Correct |
4 ms |
464 KB |
Output is correct |
9 |
Correct |
4 ms |
464 KB |
Output is correct |
10 |
Correct |
3 ms |
464 KB |
Output is correct |
11 |
Correct |
4 ms |
464 KB |
Output is correct |
12 |
Correct |
4 ms |
464 KB |
Output is correct |
13 |
Correct |
3 ms |
464 KB |
Output is correct |
14 |
Correct |
5 ms |
336 KB |
Output is correct |
15 |
Correct |
5 ms |
464 KB |
Output is correct |
16 |
Correct |
11 ms |
720 KB |
Output is correct |
17 |
Correct |
13 ms |
808 KB |
Output is correct |
18 |
Correct |
19 ms |
1148 KB |
Output is correct |
19 |
Correct |
20 ms |
1228 KB |
Output is correct |
20 |
Correct |
29 ms |
1196 KB |
Output is correct |
21 |
Correct |
19 ms |
1228 KB |
Output is correct |
22 |
Correct |
19 ms |
1128 KB |
Output is correct |
23 |
Correct |
19 ms |
1244 KB |
Output is correct |
24 |
Correct |
19 ms |
1228 KB |
Output is correct |
25 |
Correct |
30 ms |
1392 KB |
Output is correct |
26 |
Correct |
43 ms |
1828 KB |
Output is correct |
27 |
Correct |
58 ms |
2248 KB |
Output is correct |
28 |
Correct |
70 ms |
2644 KB |
Output is correct |
29 |
Correct |
103 ms |
2624 KB |
Output is correct |
30 |
Correct |
75 ms |
2832 KB |
Output is correct |
31 |
Correct |
88 ms |
2704 KB |
Output is correct |
32 |
Correct |
78 ms |
2660 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
324 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
0 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
2 ms |
328 KB |
Output is correct |
7 |
Correct |
3 ms |
336 KB |
Output is correct |
8 |
Correct |
4 ms |
452 KB |
Output is correct |
9 |
Correct |
3 ms |
336 KB |
Output is correct |
10 |
Correct |
3 ms |
336 KB |
Output is correct |
11 |
Correct |
3 ms |
464 KB |
Output is correct |
12 |
Correct |
3 ms |
464 KB |
Output is correct |
13 |
Correct |
4 ms |
456 KB |
Output is correct |
14 |
Correct |
1 ms |
336 KB |
Output is correct |
15 |
Correct |
1 ms |
336 KB |
Output is correct |
16 |
Correct |
1 ms |
336 KB |
Output is correct |
17 |
Correct |
1 ms |
336 KB |
Output is correct |
18 |
Correct |
1 ms |
336 KB |
Output is correct |
19 |
Correct |
3 ms |
336 KB |
Output is correct |
20 |
Correct |
3 ms |
464 KB |
Output is correct |
21 |
Correct |
4 ms |
464 KB |
Output is correct |
22 |
Correct |
4 ms |
464 KB |
Output is correct |
23 |
Correct |
3 ms |
336 KB |
Output is correct |
24 |
Correct |
5 ms |
448 KB |
Output is correct |
25 |
Correct |
3 ms |
464 KB |
Output is correct |
26 |
Correct |
4 ms |
464 KB |
Output is correct |
27 |
Correct |
1 ms |
336 KB |
Output is correct |
28 |
Correct |
2 ms |
336 KB |
Output is correct |
29 |
Correct |
2 ms |
336 KB |
Output is correct |
30 |
Correct |
4 ms |
336 KB |
Output is correct |
31 |
Correct |
4 ms |
336 KB |
Output is correct |
32 |
Correct |
4 ms |
336 KB |
Output is correct |
33 |
Correct |
4 ms |
336 KB |
Output is correct |
34 |
Correct |
4 ms |
340 KB |
Output is correct |
35 |
Correct |
5 ms |
336 KB |
Output is correct |
36 |
Correct |
5 ms |
464 KB |
Output is correct |
37 |
Correct |
4 ms |
464 KB |
Output is correct |
38 |
Correct |
6 ms |
464 KB |
Output is correct |
39 |
Correct |
11 ms |
720 KB |
Output is correct |
40 |
Correct |
13 ms |
712 KB |
Output is correct |
41 |
Correct |
19 ms |
1212 KB |
Output is correct |
42 |
Correct |
23 ms |
1168 KB |
Output is correct |
43 |
Correct |
22 ms |
1248 KB |
Output is correct |
44 |
Correct |
19 ms |
1228 KB |
Output is correct |
45 |
Correct |
20 ms |
1228 KB |
Output is correct |
46 |
Correct |
18 ms |
1256 KB |
Output is correct |
47 |
Correct |
19 ms |
1172 KB |
Output is correct |
48 |
Correct |
30 ms |
1440 KB |
Output is correct |
49 |
Correct |
44 ms |
1868 KB |
Output is correct |
50 |
Correct |
58 ms |
2240 KB |
Output is correct |
51 |
Correct |
69 ms |
2716 KB |
Output is correct |
52 |
Correct |
67 ms |
2700 KB |
Output is correct |
53 |
Correct |
77 ms |
2816 KB |
Output is correct |
54 |
Correct |
72 ms |
2628 KB |
Output is correct |
55 |
Correct |
71 ms |
2628 KB |
Output is correct |
56 |
Correct |
26 ms |
716 KB |
Output is correct |
57 |
Correct |
59 ms |
1228 KB |
Output is correct |
58 |
Correct |
82 ms |
1420 KB |
Output is correct |
59 |
Correct |
98 ms |
1992 KB |
Output is correct |
60 |
Correct |
79 ms |
1488 KB |
Output is correct |
61 |
Correct |
80 ms |
1604 KB |
Output is correct |
62 |
Correct |
93 ms |
1732 KB |
Output is correct |
63 |
Correct |
94 ms |
1812 KB |
Output is correct |
64 |
Correct |
53 ms |
2216 KB |
Output is correct |
65 |
Correct |
26 ms |
832 KB |
Output is correct |
66 |
Correct |
42 ms |
964 KB |
Output is correct |
67 |
Correct |
58 ms |
1180 KB |
Output is correct |
68 |
Correct |
80 ms |
1400 KB |
Output is correct |
69 |
Correct |
96 ms |
1604 KB |
Output is correct |
70 |
Correct |
78 ms |
1520 KB |
Output is correct |
71 |
Correct |
80 ms |
1652 KB |
Output is correct |
72 |
Correct |
100 ms |
1728 KB |
Output is correct |
73 |
Correct |
96 ms |
1776 KB |
Output is correct |
74 |
Correct |
95 ms |
1812 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
0 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
2 ms |
336 KB |
Output is correct |
7 |
Correct |
3 ms |
336 KB |
Output is correct |
8 |
Correct |
3 ms |
464 KB |
Output is correct |
9 |
Correct |
3 ms |
464 KB |
Output is correct |
10 |
Correct |
3 ms |
336 KB |
Output is correct |
11 |
Correct |
5 ms |
464 KB |
Output is correct |
12 |
Correct |
4 ms |
464 KB |
Output is correct |
13 |
Correct |
3 ms |
336 KB |
Output is correct |
14 |
Correct |
1 ms |
336 KB |
Output is correct |
15 |
Correct |
2 ms |
324 KB |
Output is correct |
16 |
Correct |
2 ms |
336 KB |
Output is correct |
17 |
Correct |
4 ms |
336 KB |
Output is correct |
18 |
Correct |
4 ms |
336 KB |
Output is correct |
19 |
Correct |
4 ms |
336 KB |
Output is correct |
20 |
Correct |
4 ms |
328 KB |
Output is correct |
21 |
Correct |
4 ms |
364 KB |
Output is correct |
22 |
Correct |
4 ms |
464 KB |
Output is correct |
23 |
Correct |
4 ms |
464 KB |
Output is correct |
24 |
Correct |
4 ms |
464 KB |
Output is correct |
25 |
Correct |
5 ms |
464 KB |
Output is correct |
26 |
Correct |
11 ms |
720 KB |
Output is correct |
27 |
Correct |
14 ms |
784 KB |
Output is correct |
28 |
Correct |
19 ms |
1228 KB |
Output is correct |
29 |
Correct |
19 ms |
1208 KB |
Output is correct |
30 |
Correct |
19 ms |
1156 KB |
Output is correct |
31 |
Correct |
18 ms |
1228 KB |
Output is correct |
32 |
Correct |
19 ms |
1228 KB |
Output is correct |
33 |
Correct |
19 ms |
1236 KB |
Output is correct |
34 |
Correct |
19 ms |
1208 KB |
Output is correct |
35 |
Correct |
31 ms |
1392 KB |
Output is correct |
36 |
Correct |
43 ms |
1860 KB |
Output is correct |
37 |
Correct |
58 ms |
2216 KB |
Output is correct |
38 |
Correct |
70 ms |
2704 KB |
Output is correct |
39 |
Correct |
69 ms |
2684 KB |
Output is correct |
40 |
Correct |
73 ms |
2852 KB |
Output is correct |
41 |
Correct |
69 ms |
2644 KB |
Output is correct |
42 |
Correct |
70 ms |
2628 KB |
Output is correct |
43 |
Correct |
26 ms |
716 KB |
Output is correct |
44 |
Correct |
60 ms |
1168 KB |
Output is correct |
45 |
Correct |
80 ms |
1392 KB |
Output is correct |
46 |
Correct |
94 ms |
1604 KB |
Output is correct |
47 |
Correct |
96 ms |
1640 KB |
Output is correct |
48 |
Correct |
85 ms |
1624 KB |
Output is correct |
49 |
Correct |
121 ms |
1732 KB |
Output is correct |
50 |
Correct |
96 ms |
1740 KB |
Output is correct |
51 |
Correct |
119 ms |
1588 KB |
Output is correct |
52 |
Correct |
82 ms |
34748 KB |
Output is correct |
53 |
Correct |
128 ms |
56508 KB |
Output is correct |
54 |
Correct |
206 ms |
100004 KB |
Output is correct |
55 |
Correct |
205 ms |
99564 KB |
Output is correct |
56 |
Runtime error |
453 ms |
262148 KB |
Execution killed with signal 9 |
57 |
Halted |
0 ms |
0 KB |
- |