#include<bits/stdc++.h> using namespace std; int main(){ int n; double x,y,p,time=0; cin>>n; for(int i=1;i<=n;i++){ cin>>x>>y>>p; time+=sqrt(xx+yy)/502+p1.5; } cout<<ceil(time); return 0; }

#include<bits/stdc++.h> using namespace std; int main(){ int n; double x,y,p,time=0; cin>>n; for(int i=1;i<=n;i++){ cin>>x>>y>>p; time+=sqrt(xx+yy)/502+p1.5; } cout<<ceil(time); return 0; }

#include<iostream> #include<cmath> using namespace std; double x[10000010],y[10000010],people[10000010]; int main(){ int n; double time=0; cin>>n; for(int i=1;i<=n;i++){ cin>>x[i]>>y[i]>>people[i]; time+=sqrt(x[i]*x[i]+y[i]*y[i])*2/50+people[i]*1.5; } cout<<ceil(time); return 0; }