#include<bits/stdc++.h>
using namespace std;
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n;
cin >> n;
long double a[n], b[n];
for(int i=0; i<n; i++) cin >> a[i] >> b[i];
sort(a, a+n);
sort(b, b+n);
int i=n-1, j=n-1;
long double x=0, y=0, res=0.0;
while(i>=0 || j>=0){
if(x>=y || i<0){
y+=b[j--];
x-=1;
y-=1;
res=max(res, min(x, y));
}
else{
x+=a[i--];
y-=1;
x-=1;
res=max(res, min(x, y));
}
}
cout << fixed << setprecision(4) << res;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
252 KB |
Output is correct |
2 |
Correct |
3 ms |
356 KB |
Output is correct |
3 |
Correct |
2 ms |
408 KB |
Output is correct |
4 |
Correct |
2 ms |
520 KB |
Output is correct |
5 |
Correct |
2 ms |
572 KB |
Output is correct |
6 |
Incorrect |
3 ms |
572 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
252 KB |
Output is correct |
2 |
Correct |
3 ms |
356 KB |
Output is correct |
3 |
Correct |
2 ms |
408 KB |
Output is correct |
4 |
Correct |
2 ms |
520 KB |
Output is correct |
5 |
Correct |
2 ms |
572 KB |
Output is correct |
6 |
Incorrect |
3 ms |
572 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
252 KB |
Output is correct |
2 |
Correct |
3 ms |
356 KB |
Output is correct |
3 |
Correct |
2 ms |
408 KB |
Output is correct |
4 |
Correct |
2 ms |
520 KB |
Output is correct |
5 |
Correct |
2 ms |
572 KB |
Output is correct |
6 |
Incorrect |
3 ms |
572 KB |
Output isn't correct |