//Bismillahir-Rahmanir-Rahim
#include <bits/stdc++.h>
using namespace std;
#define flash ios_base::sync_with_stdio(0),cin.tie(0)
#define pb push_back
#define ll long long
#define ld long double
#define dbg(x) cerr << #x << " = " << x << "\n";
#define ff first
#define ss second
/*
#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma comment (linker, "/stack:200000000")
#pragma GCC optimize("Ofast")
#pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
*/
const long long INF = 1e9 + 7;
const long long MOD = 1e9 + 7;
const int maxn = 1e5 + 10;
int n;
double a[maxn], b[maxn], ans;
void get(int i, double x, double y, double cnt) {
if (i > n) {
ans = max(ans, min(x - cnt, y - cnt));
return;
}
get(i + 1, x + a[i], y, cnt + 1);
get(i + 1, x, y + b[i], cnt + 1);
get(i + 1, x, y, cnt);
}
void press_F_() {
cin >> n;
for (int i = 1; i <= n; i++) {
cin >> a[i] >> b[i];
}
get(1, 0.0, 0.0, 0);
printf("%.4lf",(double)ans);
}
int main() {
flash;
// srand(time(0));
int T = 1;
// cin >> T;
for (int i = 1; i <= T; i++) {
// cout << "Case" << " " << i << ':' << "\n";
press_F_();
}
//Respa gold 2023-2024 InshAllah
return 0;
}
/*
Maybe not today and tomorrow, but InshAllah one day I will reach expert
*/
// g++ -std=c++17 main.cpp
// ./a.out
# |
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 |
- |