Run ID:152093
提交时间:2026-04-19 15:38:01
#include<bits/stdc++.h> using namespace std; int main(){ int n; cin>>n; int a[n+1]; for(int i=1;i<=n;i++){ cin>>a[i]; } double s=100.0/n; double d=0,f=0,g=0,h=0; for(int i=1;i<=n;i++){ if(a[i]>=0 && a[i]<=18){ d++; } if(a[i]>=19 && a[i]<=35){ f++; } if(a[i]>=36 && a[i]<=60){ g++; } if(a[i]>=61){ h++; } } printf("%.2lf",d*s); cout<<"%"<<endl; printf("%.2lf",f*s); cout<<"%"<<endl; printf("%.2lf",g*s); cout<<"%"<<endl; printf("%.2lf",h*s); cout<<"%"; return 0; }