#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
int n;
cin >> n;
vector <pair <ll, ll>> nums(n);
for (int i = 0; i < n; i++) {
double a, b;
cin >> a >> b;
nums[i].first = (a * 10000);
nums[i].second = (b * 10000);
}
vector <ll> a(n), b(n);
for (int i = 0; i < n; i++) {
a[i] = nums[i].first;
b[i] = nums[i].second;
}
sort(a.begin(), a.end());
sort(b.begin(), b.end());
ll l = a.back(), r = b.back();
ll ans = 0;
int pt1 = n-1, pt2 = n-1;
ll cnt = 0;
while (cnt < 2 * n) {
if (l < r && pt1 >= 0) {
l += a[pt1];
pt1--;
} else {
r += b[pt2];
pt2--;
}
cnt++;
ans = max(ans, min(l, r) - cnt * 10000);
}
cout << fixed << setprecision(4) << (double)ans / 10000 << '\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |