#include <bits/stdc++.h>
using namespace std;
double a[100005], b[100005];
main () {
ios_base::sync_with_stdio(false);
cin.tie(NULL), cout.tie(NULL);
int n;
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);
reverse(a + 1, a + n + 1);
reverse(b + 1, b + n + 1);
double ans = 0;
int aid = 0, bid = 0;
double Sa = 0, Sb = 0;
while (aid < n || bid < n) {
if (bid + 1 <= n && (aid == n || Sa >= Sb))
Sb += b[++bid];
else
Sa += a[++aid];
ans = max(ans, min(Sa, Sb) - (aid + bid));
}
cout << setprecision(5) << ans << "\n";
}
Compilation message
sure.cpp:4:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
4 | main () {
| ^~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |