#include <bits/stdc++.h>
using namespace std;
#ifdef DEBUG
#define dbg(...) printf(__VA_ARGS__);
#define getchar_unlocked getchar
#else
#define dbg(...)
#endif
#define sf scanf
#define pf printf
#define fi first
#define se second
#define pb push_back
#define sz(x) (int)x.size()
#define mnto(x,y) x=min(x,(__typeof__(x))y)
#define mxto(x,y) x=max(x,(__typeof__(x))y)
#define INF 1023456789
#define LINF 1023456789123456789
#define all(x) x.begin(), x.end()
#define disc(x) sort(all(x));x.resize(unique(all(x))-x.begin());
typedef long long ll;
typedef long double ld;
typedef pair<int, int> ii;
typedef pair<ll, ll> pll;
typedef tuple<int, int, int> iii;
typedef tuple<int, int, int, int> iiii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<pll> vll;
mt19937 rng(time(0));
inline int rd(){
int x=0;
char ch=getchar_unlocked();
while(ch<'0'||ch>'9')ch=getchar_unlocked();
while(ch>='0'&&ch<='9'){
x=(x<<3)+(x<<1)+ch-'0';
ch=getchar_unlocked();
}
return x;
}
int n,a,b,y[2005];
int maxbit=40;
bool dp1[105][105];//pos,#segment
int msb(ll v){
for(int i=maxbit;i>=0;--i){
if(v&(1ll<<i))return i;
}
return -1;
}
void solve1(){
ll ans=0;
for(int bit=maxbit;bit>=0;--bit){
memset(dp1,0,sizeof dp1);
for(int i=a;i<=b;++i)dp1[n+1][i]=1;
for(int i=n;i>=1;--i){
for(int j=0;j<=b;++j){
ll sm=0;
for(int k=i;k<=n;++k){
sm+=y[k];
if(msb(sm&(~ans))<bit)dp1[i][j]|=dp1[k+1][j+1];
}
}
}
if(!dp1[1][0])ans|=(1ll<<bit);
}
pf("%lld\n",ans);
}
int dp2[105];
void solve2(){
ll ans=0;
for(int bit=maxbit;bit>=0;--bit){
for(int i=1;i<=n;++i)dp2[i]=INF;
for(int i=n;i>=1;--i){
ll sm=0;
for(int j=i;j<=n;++j){
sm+=y[j];
if(msb(sm&(~ans))<bit)mnto(dp2[i],dp2[j+1]+1);
}
}
if(dp2[1]>b)ans|=(1ll<<bit);
}
pf("%lld\n",ans);
}
int main(){
n=rd();a=rd();b=rd();
for(int i=1;i<=n;++i)y[i]=rd();
if(a==1)solve2();
else solve1();
}
/*
6 1 3
8 1 2 1 5 4
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 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 |
204 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 |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
296 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 |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
1 ms |
204 KB |
Output is correct |
19 |
Correct |
3 ms |
300 KB |
Output is correct |
20 |
Correct |
1 ms |
204 KB |
Output is correct |
21 |
Correct |
2 ms |
204 KB |
Output is correct |
22 |
Correct |
2 ms |
308 KB |
Output is correct |
23 |
Correct |
3 ms |
300 KB |
Output is correct |
24 |
Correct |
1 ms |
204 KB |
Output is correct |
25 |
Correct |
3 ms |
204 KB |
Output is correct |
26 |
Correct |
4 ms |
204 KB |
Output is correct |
27 |
Correct |
0 ms |
204 KB |
Output is correct |
28 |
Correct |
1 ms |
296 KB |
Output is correct |
29 |
Correct |
0 ms |
204 KB |
Output is correct |
30 |
Correct |
1 ms |
204 KB |
Output is correct |
31 |
Correct |
1 ms |
296 KB |
Output is correct |
32 |
Correct |
1 ms |
204 KB |
Output is correct |
33 |
Correct |
1 ms |
204 KB |
Output is correct |
34 |
Correct |
1 ms |
204 KB |
Output is correct |
35 |
Correct |
1 ms |
204 KB |
Output is correct |
36 |
Correct |
1 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
300 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
296 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
224 KB |
Output is correct |
12 |
Correct |
1 ms |
300 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
1 ms |
296 KB |
Output is correct |
19 |
Correct |
3 ms |
204 KB |
Output is correct |
20 |
Correct |
2 ms |
204 KB |
Output is correct |
21 |
Correct |
4 ms |
204 KB |
Output is correct |
22 |
Correct |
2 ms |
204 KB |
Output is correct |
23 |
Correct |
2 ms |
204 KB |
Output is correct |
24 |
Correct |
1 ms |
204 KB |
Output is correct |
25 |
Correct |
2 ms |
204 KB |
Output is correct |
26 |
Correct |
3 ms |
204 KB |
Output is correct |
27 |
Correct |
1 ms |
204 KB |
Output is correct |
28 |
Correct |
1 ms |
204 KB |
Output is correct |
29 |
Correct |
1 ms |
300 KB |
Output is correct |
30 |
Correct |
1 ms |
204 KB |
Output is correct |
31 |
Correct |
2 ms |
204 KB |
Output is correct |
32 |
Correct |
2 ms |
204 KB |
Output is correct |
33 |
Correct |
2 ms |
204 KB |
Output is correct |
34 |
Correct |
2 ms |
204 KB |
Output is correct |
35 |
Correct |
2 ms |
204 KB |
Output is correct |
36 |
Correct |
2 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
1 ms |
300 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 |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 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 |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
2 ms |
204 KB |
Output is correct |
19 |
Correct |
2 ms |
204 KB |
Output is correct |
20 |
Correct |
2 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
204 KB |
Output is correct |
22 |
Correct |
2 ms |
204 KB |
Output is correct |
23 |
Correct |
2 ms |
204 KB |
Output is correct |
24 |
Correct |
3 ms |
204 KB |
Output is correct |
25 |
Correct |
2 ms |
204 KB |
Output is correct |
26 |
Correct |
3 ms |
204 KB |
Output is correct |
27 |
Correct |
4 ms |
300 KB |
Output is correct |
28 |
Correct |
5 ms |
204 KB |
Output is correct |
29 |
Correct |
6 ms |
204 KB |
Output is correct |
30 |
Correct |
6 ms |
204 KB |
Output is correct |
31 |
Correct |
5 ms |
308 KB |
Output is correct |
32 |
Correct |
6 ms |
304 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 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 |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 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 |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
1 ms |
204 KB |
Output is correct |
19 |
Correct |
2 ms |
204 KB |
Output is correct |
20 |
Correct |
1 ms |
204 KB |
Output is correct |
21 |
Correct |
2 ms |
204 KB |
Output is correct |
22 |
Correct |
3 ms |
204 KB |
Output is correct |
23 |
Correct |
2 ms |
300 KB |
Output is correct |
24 |
Correct |
1 ms |
300 KB |
Output is correct |
25 |
Correct |
3 ms |
204 KB |
Output is correct |
26 |
Correct |
3 ms |
204 KB |
Output is correct |
27 |
Correct |
0 ms |
204 KB |
Output is correct |
28 |
Correct |
0 ms |
204 KB |
Output is correct |
29 |
Correct |
1 ms |
204 KB |
Output is correct |
30 |
Correct |
1 ms |
204 KB |
Output is correct |
31 |
Correct |
1 ms |
204 KB |
Output is correct |
32 |
Correct |
0 ms |
204 KB |
Output is correct |
33 |
Correct |
1 ms |
204 KB |
Output is correct |
34 |
Correct |
1 ms |
204 KB |
Output is correct |
35 |
Correct |
1 ms |
300 KB |
Output is correct |
36 |
Correct |
1 ms |
300 KB |
Output is correct |
37 |
Correct |
1 ms |
204 KB |
Output is correct |
38 |
Correct |
1 ms |
204 KB |
Output is correct |
39 |
Correct |
1 ms |
204 KB |
Output is correct |
40 |
Correct |
1 ms |
204 KB |
Output is correct |
41 |
Correct |
2 ms |
204 KB |
Output is correct |
42 |
Correct |
2 ms |
204 KB |
Output is correct |
43 |
Correct |
3 ms |
204 KB |
Output is correct |
44 |
Correct |
2 ms |
204 KB |
Output is correct |
45 |
Correct |
2 ms |
204 KB |
Output is correct |
46 |
Correct |
2 ms |
204 KB |
Output is correct |
47 |
Correct |
2 ms |
204 KB |
Output is correct |
48 |
Correct |
5 ms |
300 KB |
Output is correct |
49 |
Correct |
3 ms |
204 KB |
Output is correct |
50 |
Correct |
4 ms |
304 KB |
Output is correct |
51 |
Correct |
5 ms |
204 KB |
Output is correct |
52 |
Correct |
5 ms |
204 KB |
Output is correct |
53 |
Correct |
6 ms |
304 KB |
Output is correct |
54 |
Correct |
4 ms |
204 KB |
Output is correct |
55 |
Correct |
5 ms |
224 KB |
Output is correct |
56 |
Correct |
1 ms |
204 KB |
Output is correct |
57 |
Correct |
1 ms |
204 KB |
Output is correct |
58 |
Correct |
2 ms |
204 KB |
Output is correct |
59 |
Correct |
2 ms |
204 KB |
Output is correct |
60 |
Correct |
2 ms |
204 KB |
Output is correct |
61 |
Correct |
3 ms |
204 KB |
Output is correct |
62 |
Correct |
3 ms |
292 KB |
Output is correct |
63 |
Correct |
2 ms |
304 KB |
Output is correct |
64 |
Correct |
373 ms |
292 KB |
Output is correct |
65 |
Correct |
11 ms |
204 KB |
Output is correct |
66 |
Correct |
9 ms |
204 KB |
Output is correct |
67 |
Correct |
25 ms |
236 KB |
Output is correct |
68 |
Correct |
75 ms |
324 KB |
Output is correct |
69 |
Correct |
147 ms |
204 KB |
Output is correct |
70 |
Correct |
138 ms |
292 KB |
Output is correct |
71 |
Correct |
6 ms |
204 KB |
Output is correct |
72 |
Correct |
183 ms |
288 KB |
Output is correct |
73 |
Correct |
129 ms |
204 KB |
Output is correct |
74 |
Correct |
123 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
300 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 |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 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 |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
0 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
292 KB |
Output is correct |
22 |
Correct |
1 ms |
300 KB |
Output is correct |
23 |
Correct |
1 ms |
204 KB |
Output is correct |
24 |
Correct |
1 ms |
204 KB |
Output is correct |
25 |
Correct |
1 ms |
204 KB |
Output is correct |
26 |
Correct |
2 ms |
204 KB |
Output is correct |
27 |
Correct |
1 ms |
204 KB |
Output is correct |
28 |
Correct |
2 ms |
204 KB |
Output is correct |
29 |
Correct |
2 ms |
204 KB |
Output is correct |
30 |
Correct |
2 ms |
204 KB |
Output is correct |
31 |
Correct |
2 ms |
204 KB |
Output is correct |
32 |
Correct |
2 ms |
204 KB |
Output is correct |
33 |
Correct |
2 ms |
204 KB |
Output is correct |
34 |
Correct |
2 ms |
204 KB |
Output is correct |
35 |
Correct |
3 ms |
204 KB |
Output is correct |
36 |
Correct |
3 ms |
204 KB |
Output is correct |
37 |
Correct |
4 ms |
204 KB |
Output is correct |
38 |
Correct |
5 ms |
300 KB |
Output is correct |
39 |
Correct |
5 ms |
300 KB |
Output is correct |
40 |
Correct |
6 ms |
204 KB |
Output is correct |
41 |
Correct |
5 ms |
204 KB |
Output is correct |
42 |
Correct |
5 ms |
204 KB |
Output is correct |
43 |
Correct |
1 ms |
204 KB |
Output is correct |
44 |
Correct |
2 ms |
204 KB |
Output is correct |
45 |
Correct |
2 ms |
204 KB |
Output is correct |
46 |
Correct |
2 ms |
204 KB |
Output is correct |
47 |
Correct |
2 ms |
204 KB |
Output is correct |
48 |
Correct |
3 ms |
204 KB |
Output is correct |
49 |
Correct |
2 ms |
300 KB |
Output is correct |
50 |
Correct |
3 ms |
204 KB |
Output is correct |
51 |
Correct |
2 ms |
204 KB |
Output is correct |
52 |
Correct |
42 ms |
204 KB |
Output is correct |
53 |
Correct |
60 ms |
204 KB |
Output is correct |
54 |
Correct |
111 ms |
208 KB |
Output is correct |
55 |
Correct |
95 ms |
308 KB |
Output is correct |
56 |
Correct |
326 ms |
320 KB |
Output is correct |
57 |
Correct |
313 ms |
320 KB |
Output is correct |
58 |
Correct |
274 ms |
332 KB |
Output is correct |
59 |
Correct |
263 ms |
312 KB |
Output is correct |
60 |
Correct |
447 ms |
312 KB |
Output is correct |
61 |
Correct |
3 ms |
204 KB |
Output is correct |
62 |
Correct |
58 ms |
204 KB |
Output is correct |
63 |
Correct |
100 ms |
300 KB |
Output is correct |
64 |
Correct |
96 ms |
304 KB |
Output is correct |
65 |
Correct |
159 ms |
316 KB |
Output is correct |
66 |
Correct |
237 ms |
208 KB |
Output is correct |
67 |
Correct |
318 ms |
328 KB |
Output is correct |
68 |
Correct |
319 ms |
308 KB |
Output is correct |
69 |
Correct |
283 ms |
204 KB |
Output is correct |