#include <bits/stdc++.h>
using namespace std;
#define int long long
#define f first
#define s second
void solve(){
int n;
cin >> n;
vector<double> a(n), b(n);
double ans = 0;
for(int i = 0; i < n; i++){
cin >> a[i] >> b[i];
}
sort(a.rbegin(), a.rend());
double x = 0, y = 0;
int i = 0, j = 0, tu = 0;
while(i < n && j < n){
if(x <= y){
x+=a[i];
tu++;
i++;
}
else{
y+=b[j];
tu++;
j++;
}
ans=max(ans, min(x, y)-tu);
}
printf("%.4lf",(double)ans);
// cout << fixed << setprecision(4) << ans << endl;
}
signed main(){
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int t = 1;
// cin >> t;
while(t--){
solve();
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |