#include <iostream>
#include <vector>
#include <cmath>
#include <iomanip>
using namespace std;
#define int long long
const int N=1001;
long long p4[N];
signed main()
{
cout<<fixed<<setprecision(4);
int n;
cin>>n;
p4[0]=1;
for(int i=1;i<=n;i++)
p4[i]=(p4[i-1]*4ll);
vector<double> a,b;
for(int i=0;i<n;i++)
{
double x,y;
cin>>x>>y;
a.push_back(x);
b.push_back(y);
}
double ans=0;
for(long long mask=0;mask<p4[n];mask++)
{
double s1=0,s2=0;
double p=0;
long long cur=mask;
for(int j=0;j<n;j++)
{
if(cur%4==3)
{
s1+=a[j];
s2+=b[j];
p+=2;
}
else if(cur%4==2)
{
p++;
s1+=a[j];
}
else if(cur%4==1)
{
p++;
s2+=b[j];
}
cur/=4;
}
ans=max(ans,min(s1,s2)-p);
}
cout<<ans<<endl;
return 0;
}
# |
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 |
47 ms |
348 KB |
Output is correct |
4 |
Correct |
49 ms |
420 KB |
Output is correct |
5 |
Correct |
47 ms |
344 KB |
Output is correct |
6 |
Correct |
47 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 |
47 ms |
348 KB |
Output is correct |
4 |
Correct |
49 ms |
420 KB |
Output is correct |
5 |
Correct |
47 ms |
344 KB |
Output is correct |
6 |
Correct |
47 ms |
348 KB |
Output is correct |
7 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
8 |
Halted |
0 ms |
0 KB |
- |
# |
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 |
47 ms |
348 KB |
Output is correct |
4 |
Correct |
49 ms |
420 KB |
Output is correct |
5 |
Correct |
47 ms |
344 KB |
Output is correct |
6 |
Correct |
47 ms |
348 KB |
Output is correct |
7 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
8 |
Halted |
0 ms |
0 KB |
- |