Editorial for Прозорци


Remember to use this editorial only when stuck, and not to copy-paste code from it. Please be respectful to the problem author and editorialist.

Submitting an official solution before solving the problem yourself is a bannable offence.
by: maya

Тестовете можете да видите тук.

Примерно решение на C++:

#include <iostream>

using namespace std;

int main()
{
    int n,c,v,s,i,dn,lv=0;
    cin>>n>>c;

    for(i=1;i<=n;i++)
    {
        cin>>v>>s>>dn;
        if(dn==1) lv=lv+v*s*c;
    }

    cout<<lv<<endl;

    return 0;
}

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