#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <random>
using namespace std;
using namespace __gnu_pbds;
#pragma GCC optimize("O3,Ofast,unroll-loops")
//#pragma GCC target("popcnt")
#define int long long
#define ll long long
#define ld long double
#define endl '\n'
#define rep(i,n) for(int i=0;i<n;i++)
#define pii pair<int,int>
#define debug(...) printf(__VA_ARGS__)
//#define debug(...)
#define trace(x) cout<<#x<<"="<<x<<endl;
//#define trace(x)
#define vi vector<int>
#define popcnt(x) (int)__builtin_popcountll(x)
#define vpii vector<pii >
#define vaii vector<array<int,2>>
#define vvi vector<vector<int> >
#define umap unordered_map
#define uset unordered_set
#define mk make_pair
#define pb push_back
#define pob pop_back
#define _ <<' '<<
#define all(x) x.begin(),x.end()
#define allr(x) x.rbegin(),x.rend()
#define read(x) for (auto& zu: (x)) cin >> zu;
#define write(x) for (auto& zu: (x))cout << zu<<' '; cout<<endl;
static inline void print(const int &x) {
if (x > 9)print(x / 10);
putchar('0' + x % 10);
}
//template<typename... T>void read(T&... args) {((for (auto &zu: (args)) { cin >> zu; }),...);}
#define F first
#define S second
template<class T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<class T> using ordered_multiset = tree<T, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;
#define mustawa ios::sync_with_stdio(false);cin.tie(nullptr);cout.tie();
#define saudi main
const int inf=1e9+7;
void fa(bool ok){ cout << (ok ? "YES": "NO") << endl;}
int pw(ll a, ll b, ll mod= 1e9 + 7){
a %= mod;
ll res = 1;
while (b > 0) {
if (b % 2 == 1) {
res = res * a%mod;
}b /= 2;
a = a * a%mod;
}
return res;
}
inline void usaco(string s) {
freopen((s + ".in").c_str(), "r", stdin);
freopen((s + ".out").c_str(), "w", stdout);
}inline void usaco(string s1,string s2) {
freopen((s1 + ".txt").c_str(), "r", stdin);
freopen((s2 + ".txt").c_str(), "w", stdout);
freopen("err.txt", "w", stderr);
}int inve(int x,int mod=inf){
return pow(x,mod-2);
}
int gcd(int a,int b){
if (b == 0)return a;
return gcd(b, a % b);
}
int lcm(int a, int b){
return (a / gcd(a, b)) * b;
}
//long double log(int base,int x){
// return log2(x)/log(base);
//}
int log(int base,int x){
return (int)(log2(x)/log2(base));
}
int sum(int l,int r) {
if (l > r)swap(l, r);
int a = ((l - 1) * (l)) / 2;
int b = (r * (r + 1)) / 2;
return b - a;
}multiset<int>ms1,ms2,ans;
int n,x;
vi v;
void f1(int i,int sum){
if(i==(n+1)/2)return;
f1(i+1,sum);
if(sum+v[i]<=x){
f1(i+1,sum+v[i]);
ms1.insert(sum+v[i]);
}
}void f2(int i,int sum){
if(i==n)return;
f2(i+1,sum);
if(sum+v[i]<=x){
f2(i+1,sum+v[i]);
ms2.insert(sum+v[i]);
}
}
void solve() {
cin>>n>>x;
v.resize(n);
read(v);
f1(0,0);
f2((n+1)/2,0);
if(ms1.size()<ms2.size())swap(ms1,ms2);
for(auto i:ms1)ans.insert(i);
for(auto i:ms2)ans.insert(i);
for(auto i:ms1){
for(auto j:ms2){
if(i+j<=x)ans.insert(i+j);
else break;
}
}
cout<<ans.size()+1<<endl;
}
signed saudi() {
mustawa;
// usaco("pow");
//#ifndef ONLINE_JUDGE
// usaco("input","output");
//#endif
int tescases=1;
//cin>>tescases;
for (int i = 1; i <= tescases; i++) {
//cout<<"Case #"<<i<<":"<<' ';
solve();
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
504 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Correct |
1 ms |
504 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
3664 KB |
Output is correct |
2 |
Correct |
7 ms |
1872 KB |
Output is correct |
3 |
Correct |
16 ms |
3408 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
9 ms |
2732 KB |
Output is correct |
6 |
Correct |
516 ms |
49648 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
450 ms |
36928 KB |
Output is correct |
2 |
Correct |
18 ms |
3408 KB |
Output is correct |
3 |
Correct |
13 ms |
2640 KB |
Output is correct |
4 |
Correct |
3 ms |
1104 KB |
Output is correct |
5 |
Correct |
88 ms |
17500 KB |
Output is correct |
6 |
Correct |
31 ms |
6480 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1067 ms |
166540 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1077 ms |
163668 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1068 ms |
146968 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1069 ms |
136716 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1078 ms |
130156 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1067 ms |
106552 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |