#include <algorithm>
#include <iostream>
#include <iomanip>
#include <cmath>
using namespace std;
const int NMAX = 1e5;
int n;
double res, s1, s2;
double a[1 + NMAX];
double b[1 + NMAX];
int main()
{
ios::sync_with_stdio(false);
cin >> n;
for(int i = 1; i <= n; i++)
cin >> a[i] >> b[i];
sort(a + 1, a + n + 1);
sort(b + 1, b + n + 1);
int i = n;
int j = n;
while(i >= 0 && j >= 0) {
if(s1 < s2) {
s1 += a[i];
i--;
} else {
s2 += b[j];
j--;
}
res = max(min(s1, s2) - 2 * n + i + j, res);
}
cout << setprecision(4) << fixed;
cout << res << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
488 KB |
Output is correct |
3 |
Correct |
2 ms |
488 KB |
Output is correct |
4 |
Correct |
2 ms |
548 KB |
Output is correct |
5 |
Correct |
2 ms |
548 KB |
Output is correct |
6 |
Correct |
2 ms |
576 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
488 KB |
Output is correct |
3 |
Correct |
2 ms |
488 KB |
Output is correct |
4 |
Correct |
2 ms |
548 KB |
Output is correct |
5 |
Correct |
2 ms |
548 KB |
Output is correct |
6 |
Correct |
2 ms |
576 KB |
Output is correct |
7 |
Correct |
3 ms |
580 KB |
Output is correct |
8 |
Correct |
2 ms |
580 KB |
Output is correct |
9 |
Correct |
3 ms |
792 KB |
Output is correct |
10 |
Correct |
3 ms |
792 KB |
Output is correct |
11 |
Correct |
2 ms |
792 KB |
Output is correct |
12 |
Correct |
3 ms |
792 KB |
Output is correct |
13 |
Correct |
3 ms |
792 KB |
Output is correct |
14 |
Correct |
3 ms |
832 KB |
Output is correct |
15 |
Correct |
3 ms |
832 KB |
Output is correct |
16 |
Correct |
4 ms |
868 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
488 KB |
Output is correct |
3 |
Correct |
2 ms |
488 KB |
Output is correct |
4 |
Correct |
2 ms |
548 KB |
Output is correct |
5 |
Correct |
2 ms |
548 KB |
Output is correct |
6 |
Correct |
2 ms |
576 KB |
Output is correct |
7 |
Correct |
3 ms |
580 KB |
Output is correct |
8 |
Correct |
2 ms |
580 KB |
Output is correct |
9 |
Correct |
3 ms |
792 KB |
Output is correct |
10 |
Correct |
3 ms |
792 KB |
Output is correct |
11 |
Correct |
2 ms |
792 KB |
Output is correct |
12 |
Correct |
3 ms |
792 KB |
Output is correct |
13 |
Correct |
3 ms |
792 KB |
Output is correct |
14 |
Correct |
3 ms |
832 KB |
Output is correct |
15 |
Correct |
3 ms |
832 KB |
Output is correct |
16 |
Correct |
4 ms |
868 KB |
Output is correct |
17 |
Correct |
102 ms |
3832 KB |
Output is correct |
18 |
Correct |
109 ms |
5336 KB |
Output is correct |
19 |
Correct |
102 ms |
6680 KB |
Output is correct |
20 |
Correct |
106 ms |
7936 KB |
Output is correct |
21 |
Correct |
113 ms |
9664 KB |
Output is correct |
22 |
Correct |
114 ms |
11036 KB |
Output is correct |
23 |
Correct |
104 ms |
12332 KB |
Output is correct |
24 |
Correct |
118 ms |
13752 KB |
Output is correct |
25 |
Correct |
108 ms |
15108 KB |
Output is correct |
26 |
Correct |
107 ms |
16948 KB |
Output is correct |