#include<iostream>
#include<cmath>
using namespace std;
int main()
{
    double n,people,x,y;
    double l,time=0;
    int i;

    cin>>n;
    for(i=1; i<=n; i++) 
    {
        cin>>x>>y;
        cin>>people;
        l=sqrt(1.0*x*x+1.0*y*y);
        time+=2*l/50+people*1.5;
    }
    cout<<ceil(time)<<endl;
    return 0;
}

#include <iostream> #include <cmath> using namespace std; double ans,num,a,b,n; int main() { cin>>n; for(int i=1;i<=n;i++) { cin>>a>>b>>num; double s=sqrt(aa+bb); ans+=s/502+1.5num; } cout<<ceil(ans); return 0; }

#include <iostream> #include <cmath> #include <iomanip> using namespace std; double n , a , b , num; double ans;

int main() { cin >> n; for(int i = 1; i <= n; i++) { cin >> a >> b >> num;

double s = sqrt(a*a+b*b) ;
	
	ans += s / 50 *2 + 1.5 * num;
		
}
cout <<  ceil(ans);
return 0;

}

#include <stdio.h> #include <iostream> #include<iomanip> #include <cmath> using namespace std; double n, a, b, num ; double ans; int main(){ cin >> n; for( int i=1; i<=n ; i++){ cin >> a >> b >> num; double c= sqrt ( aa+bb); ans += c/502+1.5num;

}
cout << ceil(ans) ;
return 0;

1. }

#include <stdio.h> #include <iostream> #include<iomanip> #include <cmath> using namespace std; double n, a, b, num ; double ans; int main(){ cin >> n; for( int i=1; i<=n ; i++){ cin >> a >> b >> num; double c= sqrt ( aa+bb); ans += c/502+1.5num;

}
cout << ceil(ans) ;
return 0;

• [ ] 1.