//Never stop trying
/*#pragma GCC target ("avx2")
#pragma GCC optimize ("Ofast")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")*/
#include "bits/stdc++.h"
using namespace std;
#define boost ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)
typedef long long ll;
typedef string str;
typedef double db;
typedef long double ld;
typedef pair<int, int> pi;
#define fi first
#define se second
typedef vector<int> vi;
typedef vector<pi> vpi;
typedef vector<str> vs;
typedef vector<ld> vd;
#define pb push_back
#define eb emplace_back
#define sz(x) (int)x.size()
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
#define endl "\n"
#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i)
const int MOD = 1e9 + 7; //998244353
const ll INF = 1e9;
const int MX = 150 + 10;
const int nx[4] = {0, 0, 1, -1}, ny[4] = {1, -1, 0, 0}; //right left down up
template<class T> using V = vector<T>;
template<class T> bool ckmin(T& a, const T& b) { return a > b ? a = b, 1 : 0; }
template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; }
ll cdiv(ll a, ll b) { return a / b + ((a ^ b) > 0 && a % b); } // divide a by b rounded up
//constexpr int log2(int x) { return 31 - __builtin_clz(x); } // floor(log2(x))
mt19937 rng(chrono::system_clock::now().time_since_epoch().count());
//mt19937_64 rng(chrono::system_clock::now().time_since_epoch().count());
ll random(ll a, ll b){
return a + rng() % (b - a + 1);
}
#ifndef LOCAL
#define cerr if(false) cerr
#endif
#define dbg(x) cerr << #x << " : " << x << endl;
#define dbgs(x,y) cerr << #x << " : " << x << " / " << #y << " : " << y << endl;
#define dbgv(v) cerr << #v << " : " << "[ "; for(auto it : v) cerr << it << ' '; cerr << ']' << endl;
#define here() cerr << "here" << endl;
void IO() {
#ifdef LOCAL
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
}
const int MX2=2000+15;
const int LOG=50;
int N,A,B;
vi a(MX2),vis(LOG,-1);
int memo[MX][MX],memo2[MX2];
bool check(ll x){
bitset<LOG>b(x);
FOR(i,0,LOG) if(!vis[i] && b[i]) return 0;
return 1;
}
int solve(int i, int n){
if(i==N){
if(!(n>=A && n<=B)) return 0;
return 1;
}
int &ind=memo[i][n];
if(ind!=-1) return ind;
int ans=0; ll cur=0;
FOR(j,i,N){
cur+=a[j];
if(check(cur)) ans|=solve(j+1,n+1);
}
return ind=ans;
}
int solve2(int i){
if(i==N) return 0;
if(memo2[i]!=-1) return memo2[i];
int ans=INF; ll cur=0;
FOR(j,i,N){
cur+=a[j];
if(check(cur)) ckmin(ans,solve2(j+1)+1);
}
return memo2[i]=ans;
}
int main() {
boost; IO();
cin>>N>>A>>B;
FOR(i,0,N) cin>>a[i];
if(N<=100){
ROF(i,0,LOG){
vis[i]=0;
memset(memo,-1,sizeof(memo));
if(!solve(0,0)) vis[i]=1;
}
}
else{
ROF(i,0,LOG){
vis[i]=0;
memset(memo2,-1,sizeof(memo2));
if(solve2(0)>B) vis[i]=1;
}
}
ll ans=0;
ROF(i,0,LOG){
ans*=2;
ans+=vis[i];
}
cout << ans << endl;
return 0;
}
/* Careful!!!
.Array bounds
.Infinite loops
.Uninitialized variables / empty containers
.Multisets are shit
Some insights:
.Binary search
.Graph representation
.Write brute force code
.Change your approach
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
492 KB |
Output is correct |
3 |
Correct |
1 ms |
640 KB |
Output is correct |
4 |
Correct |
1 ms |
492 KB |
Output is correct |
5 |
Correct |
1 ms |
492 KB |
Output is correct |
6 |
Correct |
3 ms |
492 KB |
Output is correct |
7 |
Correct |
5 ms |
640 KB |
Output is correct |
8 |
Correct |
6 ms |
492 KB |
Output is correct |
9 |
Correct |
8 ms |
492 KB |
Output is correct |
10 |
Correct |
6 ms |
492 KB |
Output is correct |
11 |
Correct |
5 ms |
492 KB |
Output is correct |
12 |
Correct |
6 ms |
492 KB |
Output is correct |
13 |
Correct |
7 ms |
492 KB |
Output is correct |
14 |
Correct |
1 ms |
492 KB |
Output is correct |
15 |
Correct |
1 ms |
492 KB |
Output is correct |
16 |
Correct |
1 ms |
492 KB |
Output is correct |
17 |
Correct |
1 ms |
492 KB |
Output is correct |
18 |
Correct |
2 ms |
492 KB |
Output is correct |
19 |
Correct |
3 ms |
492 KB |
Output is correct |
20 |
Correct |
4 ms |
492 KB |
Output is correct |
21 |
Correct |
6 ms |
640 KB |
Output is correct |
22 |
Correct |
5 ms |
492 KB |
Output is correct |
23 |
Correct |
6 ms |
640 KB |
Output is correct |
24 |
Correct |
5 ms |
492 KB |
Output is correct |
25 |
Correct |
6 ms |
492 KB |
Output is correct |
26 |
Correct |
5 ms |
492 KB |
Output is correct |
27 |
Correct |
1 ms |
640 KB |
Output is correct |
28 |
Correct |
1 ms |
632 KB |
Output is correct |
29 |
Correct |
1 ms |
492 KB |
Output is correct |
30 |
Correct |
3 ms |
492 KB |
Output is correct |
31 |
Correct |
3 ms |
492 KB |
Output is correct |
32 |
Correct |
3 ms |
492 KB |
Output is correct |
33 |
Correct |
4 ms |
640 KB |
Output is correct |
34 |
Correct |
4 ms |
632 KB |
Output is correct |
35 |
Correct |
6 ms |
492 KB |
Output is correct |
36 |
Correct |
5 ms |
492 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
492 KB |
Output is correct |
3 |
Correct |
1 ms |
492 KB |
Output is correct |
4 |
Correct |
1 ms |
492 KB |
Output is correct |
5 |
Correct |
2 ms |
640 KB |
Output is correct |
6 |
Correct |
3 ms |
492 KB |
Output is correct |
7 |
Correct |
5 ms |
492 KB |
Output is correct |
8 |
Correct |
8 ms |
640 KB |
Output is correct |
9 |
Correct |
5 ms |
492 KB |
Output is correct |
10 |
Correct |
5 ms |
640 KB |
Output is correct |
11 |
Correct |
6 ms |
492 KB |
Output is correct |
12 |
Correct |
6 ms |
492 KB |
Output is correct |
13 |
Correct |
6 ms |
492 KB |
Output is correct |
14 |
Correct |
1 ms |
492 KB |
Output is correct |
15 |
Correct |
1 ms |
492 KB |
Output is correct |
16 |
Correct |
1 ms |
492 KB |
Output is correct |
17 |
Correct |
1 ms |
492 KB |
Output is correct |
18 |
Correct |
2 ms |
492 KB |
Output is correct |
19 |
Correct |
4 ms |
492 KB |
Output is correct |
20 |
Correct |
4 ms |
640 KB |
Output is correct |
21 |
Correct |
6 ms |
492 KB |
Output is correct |
22 |
Correct |
7 ms |
492 KB |
Output is correct |
23 |
Correct |
8 ms |
492 KB |
Output is correct |
24 |
Correct |
5 ms |
492 KB |
Output is correct |
25 |
Correct |
5 ms |
492 KB |
Output is correct |
26 |
Correct |
8 ms |
640 KB |
Output is correct |
27 |
Correct |
6 ms |
492 KB |
Output is correct |
28 |
Correct |
10 ms |
492 KB |
Output is correct |
29 |
Correct |
33 ms |
620 KB |
Output is correct |
30 |
Correct |
59 ms |
492 KB |
Output is correct |
31 |
Correct |
70 ms |
508 KB |
Output is correct |
32 |
Correct |
69 ms |
640 KB |
Output is correct |
33 |
Correct |
75 ms |
508 KB |
Output is correct |
34 |
Correct |
69 ms |
508 KB |
Output is correct |
35 |
Correct |
70 ms |
492 KB |
Output is correct |
36 |
Correct |
70 ms |
492 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
492 KB |
Output is correct |
3 |
Correct |
1 ms |
492 KB |
Output is correct |
4 |
Correct |
1 ms |
492 KB |
Output is correct |
5 |
Correct |
1 ms |
492 KB |
Output is correct |
6 |
Correct |
4 ms |
640 KB |
Output is correct |
7 |
Correct |
5 ms |
492 KB |
Output is correct |
8 |
Correct |
8 ms |
508 KB |
Output is correct |
9 |
Correct |
6 ms |
492 KB |
Output is correct |
10 |
Correct |
6 ms |
620 KB |
Output is correct |
11 |
Correct |
5 ms |
492 KB |
Output is correct |
12 |
Correct |
5 ms |
492 KB |
Output is correct |
13 |
Correct |
5 ms |
492 KB |
Output is correct |
14 |
Correct |
6 ms |
492 KB |
Output is correct |
15 |
Correct |
11 ms |
492 KB |
Output is correct |
16 |
Correct |
32 ms |
492 KB |
Output is correct |
17 |
Correct |
42 ms |
492 KB |
Output is correct |
18 |
Correct |
78 ms |
492 KB |
Output is correct |
19 |
Correct |
79 ms |
492 KB |
Output is correct |
20 |
Correct |
72 ms |
620 KB |
Output is correct |
21 |
Correct |
80 ms |
508 KB |
Output is correct |
22 |
Correct |
70 ms |
508 KB |
Output is correct |
23 |
Correct |
71 ms |
492 KB |
Output is correct |
24 |
Correct |
73 ms |
492 KB |
Output is correct |
25 |
Correct |
165 ms |
620 KB |
Output is correct |
26 |
Correct |
260 ms |
620 KB |
Output is correct |
27 |
Correct |
441 ms |
620 KB |
Output is correct |
28 |
Correct |
527 ms |
620 KB |
Output is correct |
29 |
Correct |
513 ms |
492 KB |
Output is correct |
30 |
Correct |
551 ms |
492 KB |
Output is correct |
31 |
Correct |
536 ms |
492 KB |
Output is correct |
32 |
Correct |
526 ms |
620 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
492 KB |
Output is correct |
3 |
Correct |
1 ms |
492 KB |
Output is correct |
4 |
Correct |
1 ms |
492 KB |
Output is correct |
5 |
Correct |
1 ms |
492 KB |
Output is correct |
6 |
Correct |
3 ms |
492 KB |
Output is correct |
7 |
Correct |
4 ms |
492 KB |
Output is correct |
8 |
Correct |
6 ms |
492 KB |
Output is correct |
9 |
Correct |
6 ms |
492 KB |
Output is correct |
10 |
Correct |
5 ms |
492 KB |
Output is correct |
11 |
Correct |
5 ms |
492 KB |
Output is correct |
12 |
Correct |
6 ms |
492 KB |
Output is correct |
13 |
Correct |
5 ms |
492 KB |
Output is correct |
14 |
Correct |
1 ms |
492 KB |
Output is correct |
15 |
Correct |
1 ms |
492 KB |
Output is correct |
16 |
Correct |
1 ms |
492 KB |
Output is correct |
17 |
Correct |
1 ms |
492 KB |
Output is correct |
18 |
Correct |
1 ms |
492 KB |
Output is correct |
19 |
Correct |
3 ms |
492 KB |
Output is correct |
20 |
Correct |
4 ms |
492 KB |
Output is correct |
21 |
Correct |
6 ms |
492 KB |
Output is correct |
22 |
Correct |
5 ms |
492 KB |
Output is correct |
23 |
Correct |
6 ms |
492 KB |
Output is correct |
24 |
Correct |
5 ms |
492 KB |
Output is correct |
25 |
Correct |
5 ms |
492 KB |
Output is correct |
26 |
Correct |
6 ms |
492 KB |
Output is correct |
27 |
Correct |
1 ms |
492 KB |
Output is correct |
28 |
Correct |
1 ms |
492 KB |
Output is correct |
29 |
Correct |
1 ms |
492 KB |
Output is correct |
30 |
Correct |
3 ms |
492 KB |
Output is correct |
31 |
Correct |
3 ms |
492 KB |
Output is correct |
32 |
Correct |
3 ms |
492 KB |
Output is correct |
33 |
Correct |
4 ms |
492 KB |
Output is correct |
34 |
Correct |
4 ms |
492 KB |
Output is correct |
35 |
Correct |
5 ms |
492 KB |
Output is correct |
36 |
Correct |
5 ms |
492 KB |
Output is correct |
37 |
Correct |
6 ms |
492 KB |
Output is correct |
38 |
Correct |
10 ms |
492 KB |
Output is correct |
39 |
Correct |
31 ms |
492 KB |
Output is correct |
40 |
Correct |
42 ms |
492 KB |
Output is correct |
41 |
Correct |
69 ms |
492 KB |
Output is correct |
42 |
Correct |
71 ms |
620 KB |
Output is correct |
43 |
Correct |
72 ms |
492 KB |
Output is correct |
44 |
Correct |
69 ms |
492 KB |
Output is correct |
45 |
Correct |
70 ms |
620 KB |
Output is correct |
46 |
Correct |
72 ms |
492 KB |
Output is correct |
47 |
Correct |
73 ms |
620 KB |
Output is correct |
48 |
Correct |
150 ms |
508 KB |
Output is correct |
49 |
Correct |
252 ms |
492 KB |
Output is correct |
50 |
Correct |
395 ms |
620 KB |
Output is correct |
51 |
Correct |
525 ms |
492 KB |
Output is correct |
52 |
Correct |
522 ms |
492 KB |
Output is correct |
53 |
Correct |
537 ms |
620 KB |
Output is correct |
54 |
Correct |
530 ms |
492 KB |
Output is correct |
55 |
Correct |
525 ms |
620 KB |
Output is correct |
56 |
Correct |
33 ms |
492 KB |
Output is correct |
57 |
Correct |
120 ms |
492 KB |
Output is correct |
58 |
Correct |
166 ms |
620 KB |
Output is correct |
59 |
Correct |
220 ms |
620 KB |
Output is correct |
60 |
Correct |
214 ms |
492 KB |
Output is correct |
61 |
Correct |
225 ms |
492 KB |
Output is correct |
62 |
Correct |
248 ms |
620 KB |
Output is correct |
63 |
Correct |
260 ms |
492 KB |
Output is correct |
64 |
Correct |
417 ms |
508 KB |
Output is correct |
65 |
Correct |
32 ms |
396 KB |
Output is correct |
66 |
Correct |
67 ms |
492 KB |
Output is correct |
67 |
Correct |
112 ms |
508 KB |
Output is correct |
68 |
Correct |
171 ms |
492 KB |
Output is correct |
69 |
Correct |
217 ms |
620 KB |
Output is correct |
70 |
Correct |
211 ms |
620 KB |
Output is correct |
71 |
Correct |
229 ms |
492 KB |
Output is correct |
72 |
Correct |
253 ms |
620 KB |
Output is correct |
73 |
Correct |
253 ms |
492 KB |
Output is correct |
74 |
Correct |
256 ms |
620 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
492 KB |
Output is correct |
3 |
Correct |
1 ms |
492 KB |
Output is correct |
4 |
Correct |
1 ms |
492 KB |
Output is correct |
5 |
Correct |
1 ms |
492 KB |
Output is correct |
6 |
Correct |
3 ms |
492 KB |
Output is correct |
7 |
Correct |
4 ms |
492 KB |
Output is correct |
8 |
Correct |
6 ms |
492 KB |
Output is correct |
9 |
Correct |
5 ms |
492 KB |
Output is correct |
10 |
Correct |
5 ms |
492 KB |
Output is correct |
11 |
Correct |
5 ms |
492 KB |
Output is correct |
12 |
Correct |
6 ms |
492 KB |
Output is correct |
13 |
Correct |
6 ms |
492 KB |
Output is correct |
14 |
Correct |
1 ms |
492 KB |
Output is correct |
15 |
Correct |
1 ms |
492 KB |
Output is correct |
16 |
Correct |
1 ms |
492 KB |
Output is correct |
17 |
Correct |
3 ms |
492 KB |
Output is correct |
18 |
Correct |
3 ms |
492 KB |
Output is correct |
19 |
Correct |
3 ms |
492 KB |
Output is correct |
20 |
Correct |
5 ms |
492 KB |
Output is correct |
21 |
Correct |
4 ms |
492 KB |
Output is correct |
22 |
Correct |
5 ms |
492 KB |
Output is correct |
23 |
Correct |
5 ms |
492 KB |
Output is correct |
24 |
Correct |
6 ms |
492 KB |
Output is correct |
25 |
Correct |
9 ms |
492 KB |
Output is correct |
26 |
Correct |
32 ms |
620 KB |
Output is correct |
27 |
Correct |
43 ms |
492 KB |
Output is correct |
28 |
Correct |
69 ms |
492 KB |
Output is correct |
29 |
Correct |
69 ms |
620 KB |
Output is correct |
30 |
Correct |
71 ms |
620 KB |
Output is correct |
31 |
Correct |
69 ms |
492 KB |
Output is correct |
32 |
Correct |
71 ms |
492 KB |
Output is correct |
33 |
Correct |
69 ms |
492 KB |
Output is correct |
34 |
Correct |
71 ms |
492 KB |
Output is correct |
35 |
Correct |
151 ms |
492 KB |
Output is correct |
36 |
Correct |
260 ms |
620 KB |
Output is correct |
37 |
Correct |
417 ms |
508 KB |
Output is correct |
38 |
Correct |
545 ms |
620 KB |
Output is correct |
39 |
Correct |
515 ms |
620 KB |
Output is correct |
40 |
Correct |
538 ms |
492 KB |
Output is correct |
41 |
Correct |
530 ms |
620 KB |
Output is correct |
42 |
Correct |
523 ms |
620 KB |
Output is correct |
43 |
Correct |
31 ms |
492 KB |
Output is correct |
44 |
Correct |
114 ms |
492 KB |
Output is correct |
45 |
Correct |
169 ms |
492 KB |
Output is correct |
46 |
Correct |
220 ms |
492 KB |
Output is correct |
47 |
Correct |
209 ms |
620 KB |
Output is correct |
48 |
Correct |
224 ms |
492 KB |
Output is correct |
49 |
Correct |
245 ms |
620 KB |
Output is correct |
50 |
Correct |
265 ms |
512 KB |
Output is correct |
51 |
Correct |
9 ms |
364 KB |
Output is correct |
52 |
Correct |
324 ms |
492 KB |
Output is correct |
53 |
Correct |
354 ms |
364 KB |
Output is correct |
54 |
Execution timed out |
1090 ms |
364 KB |
Time limit exceeded |
55 |
Halted |
0 ms |
0 KB |
- |