#include "bits/stdc++.h"
using namespace std;
using i64 = long long;
using u64 = unsigned long long;
using i32 = int;
using u32 = unsigned;
using i16 = short;
using u16 = unsigned short;
using ld = long double;
using ii = pair<int, int>;
void solve() {
int n;
cin >> n;
vector<double> a(n), b(n);
for(int i = 0; i < n; ++i) cin >> a[i] >> b[i];
sort(a.rbegin(), a.rend());
sort(b.rbegin(), b.rend());
int i = 0, j = 0;
double s[2] = {0}, ans = 0;
while(i + j < n + n) {
if(i < n && j < n) {
if(s[0] < s[1]) s[0] += a[i++];
else s[1] += b[j++];
} else if(i < n) s[0] += a[i++];
else s[1] += b[j++];
ans = max(ans, min(s[0], s[1]) - i - j);
}
cout << fixed << setprecision(4) << ans << '\n';
}
int main() {
ios_base :: sync_with_stdio(false);
cin.tie(0);
int t = 1;
//cin >> t;
while(t--) solve();
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
292 KB |
Output is correct |
| 2 |
Correct |
0 ms |
308 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
320 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
292 KB |
Output is correct |
| 2 |
Correct |
0 ms |
308 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
320 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
0 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Correct |
1 ms |
328 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
1 ms |
332 KB |
Output is correct |
| 15 |
Correct |
1 ms |
344 KB |
Output is correct |
| 16 |
Correct |
2 ms |
348 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
292 KB |
Output is correct |
| 2 |
Correct |
0 ms |
308 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
320 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
0 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Correct |
1 ms |
328 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
1 ms |
332 KB |
Output is correct |
| 15 |
Correct |
1 ms |
344 KB |
Output is correct |
| 16 |
Correct |
2 ms |
348 KB |
Output is correct |
| 17 |
Correct |
68 ms |
3240 KB |
Output is correct |
| 18 |
Correct |
68 ms |
3128 KB |
Output is correct |
| 19 |
Correct |
71 ms |
3120 KB |
Output is correct |
| 20 |
Correct |
75 ms |
3244 KB |
Output is correct |
| 21 |
Correct |
76 ms |
3520 KB |
Output is correct |
| 22 |
Correct |
69 ms |
3140 KB |
Output is correct |
| 23 |
Correct |
69 ms |
3144 KB |
Output is correct |
| 24 |
Correct |
69 ms |
3136 KB |
Output is correct |
| 25 |
Correct |
69 ms |
3268 KB |
Output is correct |
| 26 |
Correct |
79 ms |
3616 KB |
Output is correct |
