/*
بسم الله الرحمن الرحيم
Author:
(:Muhammad Aneeq:)
*/
#pragma GCC optimize("O2")
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
#define ld long double
int const N=1e5+10;
ld pre[2][N]={};
inline void solve()
{
int n;
cin>>n;
ld a[n],b[n];
for (int i=0;i<n;i++)
cin>>a[i]>>b[i];
sort(a,a+n);
sort(b,b+n);
reverse(b,b+n);
reverse(a,a+n);
for (int i=0;i<n;i++)
{
pre[0][i+1]=pre[0][i]+a[i];
pre[1][i+1]=pre[1][i]+b[i];
}
ld ans=0;
for (int i=1;i<=2*n;i++)
{
for (int j=max(0,i-n);i-j>=0;j++)
ans=max(ans,min(pre[0][j]-i,pre[1][i-j]-i));
}
printf("%.4lf\n",(double)ans);
}
int main()
{
ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 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 |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
472 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 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 |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
472 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
464 KB |
Output is correct |
12 |
Correct |
8 ms |
348 KB |
Output is correct |
13 |
Correct |
7 ms |
560 KB |
Output is correct |
14 |
Correct |
7 ms |
520 KB |
Output is correct |
15 |
Correct |
7 ms |
348 KB |
Output is correct |
16 |
Correct |
7 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 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 |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
472 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
464 KB |
Output is correct |
12 |
Correct |
8 ms |
348 KB |
Output is correct |
13 |
Correct |
7 ms |
560 KB |
Output is correct |
14 |
Correct |
7 ms |
520 KB |
Output is correct |
15 |
Correct |
7 ms |
348 KB |
Output is correct |
16 |
Correct |
7 ms |
348 KB |
Output is correct |
17 |
Execution timed out |
2045 ms |
8068 KB |
Time limit exceeded |
18 |
Halted |
0 ms |
0 KB |
- |