#include #include using namespace std; int main() { int n,tmp,a1=0,a2=0,a3=0,a4=0; cin>>n; for(int i=0;i<n;i++) { cin>>tmp; if(tmp<=18)a1+=1; else if(19<=tmp&&tmp<=35)a2+=1; else if(36<=tmp&&tmp<=60)a3+=1; else if(tmp>=61)a4+=1; } cout<<fixed<<setprecision(2); cout<<a1100.0/n<<'%'<<endl; cout<<a2100.0/n<<'%'<<endl; cout<<a3100.0/n<<'%'<<endl; cout<<a4100.0/n<<'%'<<endl; return 0; }