Submission #368036

#	Time	Username	Problem	Language	Result	Execution time	Memory
368036		Atill83	Kvalitetni (COCI16_kvalitetni)	C++14	0 / 120	4 ms	876 KiB

kvalitetni

#include <bits/stdc++.h>
#define ff first
#define ss second
#define endl '\n'
using namespace std;
const long long INF = (long long) 1e18;
const int mod = (int) 1e9+7;
const int MAXN = (int) 3e5+5;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

ll n;
typedef long double ld;

int a[MAXN];
string s;
int Gnext = -1;
ld solve(int idx){
    if(s[idx] == '(' && s[idx + 1] == '?' && s[idx + 2] == ')'){
        Gnext = idx + 3;
        return a[1];
    }
    
    Gnext = idx + 1;
    vector<ld> dgs;
    char op = '_';
    while(s[Gnext] != ')'){
        dgs.push_back(solve(Gnext));
        if(s[Gnext] == ')')
            break;
        op = s[Gnext++];
    }
    Gnext++;

    sort(dgs.begin(), dgs.end());

    int k = dgs.size();

    int z = a[k];

    ld mx;

    if(op == '+')
        mx = 0;
    else
        mx = 1;

    for(ld i: dgs){
        //cerr<<i<<endl;
        ld kc = min((ld) z / k, i);
        z -= kc;
        k--;
        if(op == '*')
            mx = mx * kc;
        else
            mx = mx + kc;
    }
    //cerr<<endl;




    return mx;
}









int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);cout.tie(nullptr);

    #ifdef Local
        freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/int.txt","r",stdin);
        freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/out.txt","w",stdout);
    #endif

    cin>>n;

    for(int i = 1; i <= n; i++)
        cin>>a[i];
    
    cin>>s;

    cout<<fixed<<setprecision(5)<<solve(0)<<endl;




    #ifdef Local
        cout<<endl<<fixed<<setprecision(2)<<1000.0 * clock() / CLOCKS_PER_SEC<< " milliseconds ";
    #endif
}

• Subtask 1: 0 / 12
• Subtask 2: 0 / 12
• Subtask 3: 0 / 12
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