oj.uz

답안 #865531

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
865531 2023-10-24T09:29:53 Z vjudge1 Sure Bet (CEOI17_sure) C++17
0 / 100
 1 ms 344 KB 
#include <bits/stdc++.h>

#define file(s) freopen(s".in", "r", stdin); freopen(s".out", "w", stdout);
#define adiyer(); ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define all(x) x.begin(), x.end()
#define eb emplace_back
#define elif else if
#define uns unsigned
#define emp empty()
#define S second
#define F first
#define int long long

using namespace std;

typedef long long ll;
typedef long double ldb;
typedef vector < ll > vll;
typedef vector < int > vi;
typedef pair < ll, ll > pll;
typedef pair < int, int > pi;
typedef pair < ldb, ldb > pldb;
typedef vector < pair < ll, ll > > vpll;
typedef vector < pair < int, int > > vpi;

const int N = 1e5 + 123;
const int mod = 1e9 + 7;
const int mxlg = 30;
const int P = 31;
const int K = 4;
const ll inf = 1e9 + 10;

ll n, j;

double x, y, res;
double a[N], b[N];

void output(){
	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), j = n;
	for(int i = n; i >= 1; i--){
		res = max(res, min(x, y));
		while(x < y && j > 0){
			x += a[j--], x--, y--;
			res = max(res, min(x, y));
		}
		y += b[i], x--, y--;
		res = max(res, min(x, y));
	}
	printf("%.4lf",(double)res);
}

const bool cases = 0;

signed main(){
//  file("disrupt");
    adiyer();
    int tt = 1;
    if(cases) cin >> tt;
    for(int i = 1; i <= tt; i++){
//      cout << "Case " << i << ":\n";
        output();
    }
}

Subtask #1
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Incorrect 1 ms 344 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Incorrect 1 ms 344 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Incorrect 1 ms 344 KB Output isn't correct
3 Halted 0 ms 0 KB -