//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;
#define int 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 = 1e18;
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 LOG=31;
int N,A,B;
vi a(MX),vis(LOG,-1);
int memo[MX][MX];
bool check(int x){
bitset<LOG>b(x);
FOR(i,0,LOG) if(vis[i]==0 && 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,cur=0;
FOR(j,i,N){
cur+=a[j];
if(check(cur)) ans|=solve(j+1,n+1);
}
return ind=ans;
}
int32_t main() {
boost; IO();
cin>>N>>A>>B;
FOR(i,0,N) cin>>a[i];
ROF(i,0,LOG){
vis[i]=0;
memset(memo,-1,sizeof(memo));
if(!solve(0,0)) vis[i]=1;
}
int 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
*/
# |
Verdict |
Execution time |
Memory |
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 |
2 ms |
492 KB |
Output is correct |
7 |
Correct |
2 ms |
492 KB |
Output is correct |
8 |
Correct |
3 ms |
492 KB |
Output is correct |
9 |
Correct |
3 ms |
492 KB |
Output is correct |
10 |
Correct |
3 ms |
492 KB |
Output is correct |
11 |
Correct |
3 ms |
492 KB |
Output is correct |
12 |
Correct |
3 ms |
492 KB |
Output is correct |
13 |
Correct |
3 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 |
2 ms |
492 KB |
Output is correct |
20 |
Correct |
2 ms |
492 KB |
Output is correct |
21 |
Correct |
3 ms |
512 KB |
Output is correct |
22 |
Correct |
3 ms |
512 KB |
Output is correct |
23 |
Correct |
3 ms |
492 KB |
Output is correct |
24 |
Correct |
3 ms |
512 KB |
Output is correct |
25 |
Correct |
3 ms |
492 KB |
Output is correct |
26 |
Correct |
3 ms |
492 KB |
Output is correct |
27 |
Incorrect |
1 ms |
492 KB |
Output isn't correct |
28 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
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 |
2 ms |
512 KB |
Output is correct |
7 |
Correct |
2 ms |
492 KB |
Output is correct |
8 |
Correct |
3 ms |
492 KB |
Output is correct |
9 |
Correct |
3 ms |
492 KB |
Output is correct |
10 |
Correct |
3 ms |
492 KB |
Output is correct |
11 |
Correct |
3 ms |
512 KB |
Output is correct |
12 |
Correct |
3 ms |
492 KB |
Output is correct |
13 |
Correct |
3 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 |
2 ms |
492 KB |
Output is correct |
20 |
Correct |
2 ms |
492 KB |
Output is correct |
21 |
Correct |
3 ms |
512 KB |
Output is correct |
22 |
Correct |
3 ms |
492 KB |
Output is correct |
23 |
Correct |
3 ms |
504 KB |
Output is correct |
24 |
Correct |
4 ms |
492 KB |
Output is correct |
25 |
Correct |
3 ms |
492 KB |
Output is correct |
26 |
Correct |
3 ms |
492 KB |
Output is correct |
27 |
Correct |
3 ms |
492 KB |
Output is correct |
28 |
Correct |
4 ms |
492 KB |
Output is correct |
29 |
Correct |
12 ms |
512 KB |
Output is correct |
30 |
Correct |
16 ms |
492 KB |
Output is correct |
31 |
Correct |
26 ms |
492 KB |
Output is correct |
32 |
Correct |
29 ms |
620 KB |
Output is correct |
33 |
Correct |
27 ms |
492 KB |
Output is correct |
34 |
Correct |
27 ms |
620 KB |
Output is correct |
35 |
Correct |
26 ms |
512 KB |
Output is correct |
36 |
Correct |
27 ms |
492 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
492 KB |
Output is correct |
3 |
Correct |
0 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 |
2 ms |
492 KB |
Output is correct |
7 |
Correct |
2 ms |
492 KB |
Output is correct |
8 |
Correct |
3 ms |
492 KB |
Output is correct |
9 |
Correct |
3 ms |
492 KB |
Output is correct |
10 |
Correct |
3 ms |
492 KB |
Output is correct |
11 |
Correct |
3 ms |
492 KB |
Output is correct |
12 |
Correct |
3 ms |
492 KB |
Output is correct |
13 |
Correct |
3 ms |
492 KB |
Output is correct |
14 |
Correct |
3 ms |
492 KB |
Output is correct |
15 |
Correct |
4 ms |
492 KB |
Output is correct |
16 |
Correct |
12 ms |
492 KB |
Output is correct |
17 |
Correct |
18 ms |
492 KB |
Output is correct |
18 |
Correct |
31 ms |
492 KB |
Output is correct |
19 |
Correct |
26 ms |
640 KB |
Output is correct |
20 |
Correct |
27 ms |
492 KB |
Output is correct |
21 |
Correct |
26 ms |
492 KB |
Output is correct |
22 |
Correct |
28 ms |
492 KB |
Output is correct |
23 |
Correct |
30 ms |
492 KB |
Output is correct |
24 |
Correct |
27 ms |
492 KB |
Output is correct |
25 |
Correct |
54 ms |
492 KB |
Output is correct |
26 |
Correct |
91 ms |
492 KB |
Output is correct |
27 |
Correct |
141 ms |
492 KB |
Output is correct |
28 |
Correct |
191 ms |
620 KB |
Output is correct |
29 |
Correct |
203 ms |
492 KB |
Output is correct |
30 |
Correct |
194 ms |
492 KB |
Output is correct |
31 |
Correct |
189 ms |
620 KB |
Output is correct |
32 |
Correct |
183 ms |
492 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
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 |
492 KB |
Output is correct |
6 |
Correct |
2 ms |
492 KB |
Output is correct |
7 |
Correct |
2 ms |
492 KB |
Output is correct |
8 |
Correct |
3 ms |
492 KB |
Output is correct |
9 |
Correct |
3 ms |
492 KB |
Output is correct |
10 |
Correct |
3 ms |
492 KB |
Output is correct |
11 |
Correct |
3 ms |
492 KB |
Output is correct |
12 |
Correct |
3 ms |
492 KB |
Output is correct |
13 |
Correct |
3 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 |
2 ms |
492 KB |
Output is correct |
20 |
Correct |
2 ms |
492 KB |
Output is correct |
21 |
Correct |
3 ms |
492 KB |
Output is correct |
22 |
Correct |
3 ms |
492 KB |
Output is correct |
23 |
Correct |
3 ms |
492 KB |
Output is correct |
24 |
Correct |
3 ms |
492 KB |
Output is correct |
25 |
Correct |
3 ms |
492 KB |
Output is correct |
26 |
Correct |
3 ms |
492 KB |
Output is correct |
27 |
Incorrect |
1 ms |
492 KB |
Output isn't correct |
28 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
492 KB |
Output is correct |
3 |
Correct |
1 ms |
536 KB |
Output is correct |
4 |
Correct |
1 ms |
492 KB |
Output is correct |
5 |
Correct |
1 ms |
492 KB |
Output is correct |
6 |
Correct |
2 ms |
492 KB |
Output is correct |
7 |
Correct |
2 ms |
492 KB |
Output is correct |
8 |
Correct |
3 ms |
492 KB |
Output is correct |
9 |
Correct |
3 ms |
492 KB |
Output is correct |
10 |
Correct |
3 ms |
492 KB |
Output is correct |
11 |
Correct |
3 ms |
492 KB |
Output is correct |
12 |
Correct |
3 ms |
492 KB |
Output is correct |
13 |
Correct |
3 ms |
492 KB |
Output is correct |
14 |
Incorrect |
1 ms |
492 KB |
Output isn't correct |
15 |
Halted |
0 ms |
0 KB |
- |