Submission #90520

#	Time	Username	Problem	Language	Result	Execution time	Memory
90520		AbduM	Sure Bet (CEOI17_sure)	C++14	0 / 100	2 ms	376 KiB

sure

/// In the name of GOD
/// I love my MOTHER
/// Only GOLD

#include <bits/stdc++.h>

#define sz(s) (ll)(s.size())
#define all(x) (x.begin(), x.end())

#define pb push_back
#define pf push_front
#define F first
#define S second
#define ort1 exit(0);
#define nl endl
#define db double

#define TL clock() / (double)CLOCKS_PER_SEC
#define NFS ios_base :: sync_with_stdio(0), cin.tie(0), cout.tie(0);

using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;


const double pi = acos(-1.0);
const double eps = 1e-9;
const int mod = 1e9 + 7;
const ll INF = 1e12 + 1;
const int N = 1e5 + 9;

int n;
double l[N], r[N];
double mx;
double ans[N], san[N];

int main()
{
    cin >> n;
    for(int i = 1; i <= n; ++i){
        cin >> l[i] >> r[i];
    }

    sort(l + 1, l + 1 + n);
    sort(r + 1, r + 1 + n);

    reverse(l + 1, l + 1 + n);
    reverse(r + 1, r + 1 + n);

    for(int i = 1; i <= n; ++i){
        ans[i] = ans[i - 1] + l[i];
        san[i] = san[i - 1] + r[i];
    }

    for(int i = 0; i <= n; ++i){
        for(int j = 0; j <= n; ++j){
            double mn = mod;
            mn = min(mn, double(san[j] - (double)(i + j)) );
            mn = min(mn, double(ans[i] - (double)(i + j)) );
            mx = max(mx, mn);
        }
    }

    cout << fixed <<  mx << setprecision(4);

    ort1
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 40
• Subtask 3: 0 / 40