189262025-11-12 17:44:48KristófMaximális szorzat (50 pont)cpp17Forditási hiba
#include <iostream>
#include <vector>
#include <queue>
using namespace std;

long long mod=1000000007;


int main()
{
    int n,k,b;
    cin>>n>>k>>b;
    priority_queue<int> negativ,poz;
    int x;
    for(int i=0;i<n;i++)
        {
        cin>>x;
        if(x>-1)
            {
            poz.push(x*-1);
            }
        else
            {
            negativ.push(x);
            }
        }
    if(negativ.size()<b)
        {
        cout<<-1;
        return 0;
        }
    if(negativ.size() == b && n!=b)
        {
        while(k--)
            {
            x=poz.top()*-1;poz.pop();
            poz.push((x+1) % mod)*-1);
            }
        }
    else if(negativ.size() > b)
        {
        while(negativ.size()!=b && negativ.size()>0)
            {
            k+=negativ.top();
            if(k<0)
                {
                cout<<-1;
                return 0;
                }
            poz.push(0);
            negativ.pop();
            }
        while(k-- && !poz.empty())
            {
            x=poz.top()*-1;poz.pop();
            poz.push(((x+1)%mod)*-1);
            }
        }
    else
        {
        while(k-- && negativ.top()!=-1)
            {
            x=negativ.top();
            x++;
            negativ.push(x);
            negativ.pop();
            }
        if(negativ.top() == -1 && k>0)
            {
            cout<<-1;
            return 0;
            }
        }
    long long ans=1;
    while(!poz.empty())
        {
        ans = (ans * (-poz.top() % mod)) % mod;
        poz.pop();
        }
    while(!negativ.empty())
        {
        ans = (ans * (abs(negativ.top()) % mod)) % mod;
        negativ.pop();
        }
    cout<<ans;
    return 0;
}
Forditási hiba
open /var/local/lib/isolate/433/box/a.out: no such file or directory
main.cpp: In function 'int main()':
main.cpp:37:34: error: invalid operands of types 'void' and 'int' to binary 'operator*'
   37 |             poz.push((x+1) % mod)*-1);
      |             ~~~~~~~~~~~~~~~~~~~~~^~~
      |                     |             |
      |                     void          int