#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pi pair<int, int>
#define pii pair<int, pi>
#define fi first
#define se second
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
long double A[100005], B[100005];
void solve(){
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);
long double ans = 0, cur = 0;
for(int i=n;i>=1;i--){
long double cur2 = 0;
cur += A[i];
for(int j=n;j>=1;j--){
cur2 += (long double)(B[j]);
ans = max(ans, min(cur, cur2) - (n - i + 1 + n - j + 1));
}
}
cout << fixed << setprecision(4) << ans;
}
main(){
ios::sync_with_stdio(0);cin.tie(0);
int tc = 1;
//cin >> tc;
for(int tc1=1;tc1<=tc;tc1++){
// cout << "Case #" << tc1 << ": ";
solve();
}
}
Compilation message
sure.cpp:33:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
33 | main(){
| ^~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
328 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
328 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
5 ms |
348 KB |
Output is correct |
13 |
Correct |
5 ms |
340 KB |
Output is correct |
14 |
Correct |
6 ms |
340 KB |
Output is correct |
15 |
Correct |
7 ms |
340 KB |
Output is correct |
16 |
Correct |
7 ms |
396 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
328 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
5 ms |
348 KB |
Output is correct |
13 |
Correct |
5 ms |
340 KB |
Output is correct |
14 |
Correct |
6 ms |
340 KB |
Output is correct |
15 |
Correct |
7 ms |
340 KB |
Output is correct |
16 |
Correct |
7 ms |
396 KB |
Output is correct |
17 |
Execution timed out |
2066 ms |
4716 KB |
Time limit exceeded |
18 |
Halted |
0 ms |
0 KB |
- |