#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
typedef long long ll;
int main()
{
int n;
cin>>n;
ll k;
cin>>k;
vector<ll> v;
int p=n/2;
int p1=n-p;
vector<ll> vc;
for(int i=0;i<n;i++)
{
ll a;
cin>>a;
v.push_back(a);
}
ll res=0;
for(int i=1;i<(1<<p);i++)
{
ll brojac=0;
for(int j=0;j<p;j++)
{
if(i&(1<<j))
{
brojac+=v[j];
}
}
if(brojac<=k)
{
vc.push_back(brojac);
res++;
}
}
sort(vc.begin(),vc.end());
for(int i=1;i<(1<<p1);i++)
{
ll brojac=0;
for(int j=0;j<p1;j++)
{
if(i&(1<<j))
{
brojac+=v[j+p];
}
}
if(brojac<=k)
{
res++;
res+=(upper_bound(vc.begin(),vc.end(),k-brojac)-vc.begin());
}
}
res++;
cout<<res<<endl;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
248 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
360 KB |
Output is correct |
2 |
Correct |
2 ms |
400 KB |
Output is correct |
3 |
Correct |
2 ms |
400 KB |
Output is correct |
4 |
Correct |
2 ms |
424 KB |
Output is correct |
5 |
Correct |
2 ms |
432 KB |
Output is correct |
6 |
Correct |
2 ms |
572 KB |
Output is correct |
7 |
Correct |
2 ms |
572 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
572 KB |
Output is correct |
2 |
Correct |
2 ms |
660 KB |
Output is correct |
3 |
Correct |
2 ms |
660 KB |
Output is correct |
4 |
Correct |
2 ms |
660 KB |
Output is correct |
5 |
Correct |
2 ms |
660 KB |
Output is correct |
6 |
Correct |
2 ms |
660 KB |
Output is correct |
7 |
Correct |
2 ms |
660 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
660 KB |
Output is correct |
2 |
Correct |
2 ms |
752 KB |
Output is correct |
3 |
Correct |
2 ms |
756 KB |
Output is correct |
4 |
Correct |
2 ms |
756 KB |
Output is correct |
5 |
Correct |
2 ms |
756 KB |
Output is correct |
6 |
Correct |
2 ms |
756 KB |
Output is correct |
7 |
Correct |
2 ms |
756 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
38 ms |
1336 KB |
Output is correct |
2 |
Correct |
130 ms |
2856 KB |
Output is correct |
3 |
Correct |
558 ms |
9128 KB |
Output is correct |
4 |
Correct |
125 ms |
9128 KB |
Output is correct |
5 |
Correct |
19 ms |
9128 KB |
Output is correct |
6 |
Correct |
10 ms |
9128 KB |
Output is correct |
7 |
Correct |
11 ms |
9128 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
52 ms |
9128 KB |
Output is correct |
2 |
Correct |
46 ms |
9128 KB |
Output is correct |
3 |
Correct |
243 ms |
9128 KB |
Output is correct |
4 |
Correct |
2 ms |
9128 KB |
Output is correct |
5 |
Correct |
9 ms |
9128 KB |
Output is correct |
6 |
Correct |
20 ms |
9128 KB |
Output is correct |
7 |
Correct |
10 ms |
9128 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
94 ms |
9128 KB |
Output is correct |
2 |
Correct |
201 ms |
9128 KB |
Output is correct |
3 |
Correct |
196 ms |
9128 KB |
Output is correct |
4 |
Correct |
2 ms |
9128 KB |
Output is correct |
5 |
Correct |
103 ms |
9128 KB |
Output is correct |
6 |
Correct |
327 ms |
9176 KB |
Output is correct |
7 |
Correct |
57 ms |
9176 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
394 ms |
9176 KB |
Output is correct |
2 |
Correct |
35 ms |
9176 KB |
Output is correct |
3 |
Correct |
14 ms |
9176 KB |
Output is correct |
4 |
Correct |
2 ms |
9176 KB |
Output is correct |
5 |
Correct |
10 ms |
9176 KB |
Output is correct |
6 |
Correct |
226 ms |
9176 KB |
Output is correct |
7 |
Correct |
10 ms |
9176 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
41 ms |
9176 KB |
Output is correct |
2 |
Correct |
125 ms |
9176 KB |
Output is correct |
3 |
Correct |
12 ms |
9176 KB |
Output is correct |
4 |
Correct |
12 ms |
9176 KB |
Output is correct |
5 |
Correct |
135 ms |
9176 KB |
Output is correct |
6 |
Correct |
27 ms |
9176 KB |
Output is correct |
7 |
Correct |
155 ms |
9176 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
499 ms |
9312 KB |
Output is correct |
2 |
Correct |
47 ms |
9312 KB |
Output is correct |
3 |
Correct |
15 ms |
9312 KB |
Output is correct |
4 |
Correct |
579 ms |
9384 KB |
Output is correct |
5 |
Correct |
153 ms |
9384 KB |
Output is correct |
6 |
Correct |
20 ms |
9384 KB |
Output is correct |
7 |
Correct |
19 ms |
9384 KB |
Output is correct |