#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef long double ld;
const int N = 100;
ld a[N], b[N];
ll n;
void solve() {
cin>>n;
for (int i=1; i<=n; ++i) {
cin>>a[i]>>b[i];
}
sort(a+1, a+n+1, greater<ld>()), sort(b+1, b+n+1, greater<ld>());
ld ans=0, sa=0;
for (int i=0; i<=n; ++i) {
ld sb=0; sa+=a[i];
for (int j=0; j<=n; ++j) {
sb+=b[j];
ans=max(ans, min(sa, sb)-i-j);
}
} //cout<<ans<<"\n";
printf("%.4lf", (double)ans);
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(NULL);
cout.tie(NULL);
int t=1;
while (t--) solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
360 KB |
Output is correct |
3 |
Correct |
0 ms |
464 KB |
Output is correct |
4 |
Correct |
0 ms |
472 KB |
Output is correct |
5 |
Correct |
1 ms |
360 KB |
Output is correct |
6 |
Correct |
0 ms |
360 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
360 KB |
Output is correct |
3 |
Correct |
0 ms |
464 KB |
Output is correct |
4 |
Correct |
0 ms |
472 KB |
Output is correct |
5 |
Correct |
1 ms |
360 KB |
Output is correct |
6 |
Correct |
0 ms |
360 KB |
Output is correct |
7 |
Incorrect |
1 ms |
360 KB |
Output isn't correct |
8 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
360 KB |
Output is correct |
3 |
Correct |
0 ms |
464 KB |
Output is correct |
4 |
Correct |
0 ms |
472 KB |
Output is correct |
5 |
Correct |
1 ms |
360 KB |
Output is correct |
6 |
Correct |
0 ms |
360 KB |
Output is correct |
7 |
Incorrect |
1 ms |
360 KB |
Output isn't correct |
8 |
Halted |
0 ms |
0 KB |
- |