#include <bits/stdc++.h>
using namespace std;
#define int long long
vector<int>sum1, sum2;
int n, x;
int a[41];
void f1(int i, int sum){
if(i==n/2){
sum1.push_back(sum);
return;
}
f1(i+1, sum+a[i]);
f1(i+1, sum);
}
void f2(int i, int sum){
if(i==n){
sum2.push_back(sum);
return;
}
f2(i+1, sum+a[i]);
f2(i+1, sum);
}
signed main() {
ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
cin >> n >> x;
for(int i = 0;i < n; i++)cin >> a[i];
f1(0, 0);
f2(n/2, 0);
sort(sum2.begin(), sum2.end());
int ans = 0;
for(auto i : sum1){
int idx = (upper_bound(sum2.begin(), sum2.end(), x-i) - sum2.begin());
auto it = upper_bound(sum2.begin(), sum2.end(), x-i);
ans += idx ;
}
cout << endl;
for(auto i : sum2)cout << i << " ";
cout << ans << endl;
}
Compilation message
bobek.cpp: In function 'int main()':
bobek.cpp:36:10: warning: variable 'it' set but not used [-Wunused-but-set-variable]
36 | auto it = upper_bound(sum2.begin(), sum2.end(), x-i);
| ^~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
504 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
24 ms |
2640 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
34 ms |
3408 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
60 ms |
5440 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
303 ms |
29616 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
27 ms |
4176 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
294 ms |
33740 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |