#include <bits/stdc++.h>
using namespace std;
#define endl "\n"
typedef long long int ll;
vector<ll> v1,v2,v;
set<ll>d1,d2;
void solve(int idx,ll s,int t){
if(t==1) {
if(idx==(int)v1.size()) {
d1.insert(s);
return;
}
}
else{
if(idx==(int)v2.size()) {
d2.insert(s);
return;
}
}
solve(idx+1,s+v1[idx],t);
solve(idx+1,s,t);
}
set<ll> an;
ll n,m;
ll ans=0;
void solv(int idx,ll s){
if(idx==n) {
if(s<=m) {
ans++;
}
return;
}
solv(idx+1,s+v[idx]);
solv(idx+1,s);
}
int main()
{
ios_base:: sync_with_stdio(false); cin.tie(0);
cin>>n>>m;
for(int i=1; i<=n; i++) {
ll a; cin>>a;
v.push_back(a);
// if(i&1) v1.push_back(a);
//else v2.push_back(a);
}
//solve(0,0,1);
//solve(0,0,2);
solv(0,0);
// for(int u:an) cout<<u<<" ";
//cout<<endl;
cout<<ans<<endl;
/*
for(int v:d1) {
cout<<v<<endl;
// auto it=d2.lower_bound(m-v);
//ans+=(distance(d2.begin(),it));
}
cout<<"set 2"<<endl;
for(int v:d2) {
cout<<v<<endl;
// auto it=d2.lower_bound(m-v);
//ans+=(distance(d2.begin(),it));
}
*/
//cout<<ans<<endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
256 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
6 ms |
384 KB |
Output is correct |
7 |
Correct |
3 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
384 KB |
Output is correct |
2 |
Correct |
3 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
6 ms |
484 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1061 ms |
384 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1075 ms |
256 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1070 ms |
256 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1069 ms |
384 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1071 ms |
256 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1075 ms |
256 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |