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OhFengGO
2023-08-23 21:52:51 +08:00
parent 971a1d91d6
commit fc324f936b
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年龄与疾病.cpp Normal file
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#include <iostream>
#include <cstring>
#include <cstdio>
#include <iomanip>
using namespace std;
int main(){
double a[10000],b,c=0,d=0,e=0,f=0;
cin >>b;
for(int i=0;i<b;i++){
cin >>a[i];
}
for(int i=0;i<b;i++){
if(a[i]>=0 && a[i]<=18){
c++;
}
else if(a[i]>=19 && a[i]<=35){
d++;
}
else if(a[i]>=36 && a[i]<=60){
e++;
}
else if(a[i]>=61){
f++;
}
}
cout <<fixed<<setprecision(2)<<c/b*100<<"%"<<endl;
cout <<fixed<<setprecision(2)<<d/b*100<<"%"<<endl;
cout <<fixed<<setprecision(2)<<e/b*100<<"%"<<endl;
cout <<fixed<<setprecision(2)<<f/b*100<<"%";
return 0;
}