#pragma GCC optimize("Ofast,unroll-loops")
#include<bits/stdc++.h>
#define int long long
//#define ll long long
#define down cout<<'\n';
#define debug cout<<" cucuucucuuu",down
#define NHP ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "numtable"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".out","w",stdout)
#define pb push_back
#define checktime cerr << (double)clock() / CLOCKS_PER_SEC * 1000 << " ms";
using namespace std;
#define getchar_unlocked getchar
inline int scan()
{
char c = getchar_unlocked();
int x = 0;
while(c<'0'||c>'9')
{
c=getchar_unlocked();
}
while(c>='0'&&c<='9')
{
x=(x<<1)+(x<<3)+c-'0';
c=getchar_unlocked();
}
return x;
}
void phongbeo();
const int inf=1e9;
const int mod2=1e9+9;
const int mod1=998244353;
struct icd
{
long double a;
int b;
};
struct ib
{
int a;
int b;
};
struct ic
{
int a,b,c;
};
struct id
{
int a,b,c,d;
};
struct ie
{
int a,b,c,d,e;
};
int n,m,s1,s2,s4,s3,sf,k,s5,s6,mx,s7,s8,s9,mx2,res,dem2=0,dem=0,s33,dem3,dem4,l,r,mid,l2,r2,center;
int i,s10,s12;
int kk;
int el=29;
main()
{
#ifndef ONLINE_JUDGE
/// fin(task),fou(task);
#endif
NHP
/// cin>>s1;
///modwwe
phongbeo(),down
//checktime
}
int a[21];
int b[21];
void get(int n,int a[],vector<int>& v)
{
for(int i=0; i<(1<<n); i++)
{
s2=0;
for(int j=0; j<n; j++)
if(bit(i,j))
s2+=a[j+1];
if(s2<=k)
v.pb(s2);
}
}
vector<int> v;
vector<int> v2;
void phongbeo()
{
cin>>n>>k;
for(int i=1; i<=n; i++)
if(i<=n/2)
{
cin>>a[i];
}
else
{
cin>>b[i-n/2];
}
m=n-n/2;
n=n/2;
get(n,a,v);
get(m,b,v2);
sort(v.begin(),v.end());
sort(v2.begin(),v2.end(),greater<int>());
l=0;
s4=0;
for(int i=0; i<v.size(); i++)
{
while(l<v2.size()&&v2[l]+v[i]>k)
l++;
s4=s4+v2.size()-l;
}
cout<<s4;
}
Compilation message
bobek.cpp:67:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
67 | main()
| ^~~~
bobek.cpp: In function 'void phongbeo()':
bobek.cpp:115:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
115 | for(int i=0; i<v.size(); i++)
| ~^~~~~~~~~
bobek.cpp:117:16: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
117 | while(l<v2.size()&&v2[l]+v[i]>k)
| ~^~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
456 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
20 ms |
2140 KB |
Output is correct |
2 |
Correct |
60 ms |
5412 KB |
Output is correct |
3 |
Correct |
275 ms |
20916 KB |
Output is correct |
4 |
Correct |
64 ms |
5584 KB |
Output is correct |
5 |
Correct |
11 ms |
1756 KB |
Output is correct |
6 |
Correct |
7 ms |
1116 KB |
Output is correct |
7 |
Correct |
8 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
40 ms |
3032 KB |
Output is correct |
2 |
Correct |
21 ms |
2144 KB |
Output is correct |
3 |
Correct |
102 ms |
10512 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
5 ms |
992 KB |
Output is correct |
6 |
Correct |
18 ms |
1756 KB |
Output is correct |
7 |
Correct |
6 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
44 ms |
3676 KB |
Output is correct |
2 |
Correct |
89 ms |
6736 KB |
Output is correct |
3 |
Correct |
90 ms |
6644 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
64 ms |
6740 KB |
Output is correct |
6 |
Correct |
226 ms |
20948 KB |
Output is correct |
7 |
Correct |
33 ms |
344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
196 ms |
12844 KB |
Output is correct |
2 |
Correct |
20 ms |
2144 KB |
Output is correct |
3 |
Correct |
7 ms |
1064 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
5 ms |
1116 KB |
Output is correct |
6 |
Correct |
193 ms |
12744 KB |
Output is correct |
7 |
Correct |
6 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
23 ms |
2144 KB |
Output is correct |
2 |
Correct |
59 ms |
5584 KB |
Output is correct |
3 |
Correct |
7 ms |
1116 KB |
Output is correct |
4 |
Correct |
7 ms |
1084 KB |
Output is correct |
5 |
Correct |
64 ms |
6872 KB |
Output is correct |
6 |
Correct |
21 ms |
2144 KB |
Output is correct |
7 |
Correct |
92 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
256 ms |
20916 KB |
Output is correct |
2 |
Correct |
22 ms |
2144 KB |
Output is correct |
3 |
Correct |
7 ms |
992 KB |
Output is correct |
4 |
Correct |
259 ms |
20916 KB |
Output is correct |
5 |
Correct |
82 ms |
10684 KB |
Output is correct |
6 |
Correct |
14 ms |
1752 KB |
Output is correct |
7 |
Correct |
11 ms |
348 KB |
Output is correct |