Submission #1033199

#	Time	Username	Problem	Language	Result	Execution time	Memory
1033199		MarwenElarbi	Sure Bet (CEOI17_sure)	C++17	0 / 100	0 ms	348 KiB

sure

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#define fi first
#define se second
#define ll long long
#define pb push_back
#define ii pair<int,int>
template <class T>
using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
const int nax=1e5+5;
#define optimise ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
int main()
{
    optimise;
    int n;
    cin>>n;
    vector<double> tab(n*2);
    for (int i = 0; i < n; ++i)
    {
        cin>>tab[i]>>tab[n+i];
    }
    double ans=0;
    for (int mask = 0; mask < (1<<(2*n)); ++mask)
    {
        double cnt=0;
        for (int i = 0; i < n; ++i)
        {
            if((1<<i)&mask){
                cnt+=tab[i];
            }
        }
        cnt-=(int)__builtin_popcount(mask);
        ans=max(ans,cnt);
    }
    cout <<fixed<<setprecision(4)<<ans<<endl;
}

        

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